Members Address List


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Prof. Abdulkader M. Abed
University of Jordan, Faculty of Science, Department of Geology, Amman 11942, JORDAN
Fax: 9626 53 48 932, Tel: 9626 53 55 000 ext.2333, Telex: 21629 UNIV J, email:
Interests: Phosphorites and associated minerals

Dr. Thierry Adatte
Université de Neuchâtel, Institut de Géologie, Rue 11 Emile-Argand, 2007 Neuchâtel, SWITZERLAND
Fax: 41-32-7182601, Tel: 41 32 718 2612, email:
Interests: Clay mineralogy as paleoclimate indicators; Authigenic clay minerals; Global change at stratigraphic boundaries: J-C, K-T, PE; Paleoceanography

Dr. Arun Deep Ahluwalia
Center of Advanced Study in Geology, Panjab University, Chandigarah, INDIA
Fax: 545459 & 561543, Tel: 541740, Telex: 395464-RSIC IN, email:,
Interests: Phosphorite petrography and microfacies of Krol Belt, Himachal Himalayas; carbonate microfacies of Proterozoic, Paleozoic and Mesozoic Himalayas; phosphates and glauconites of Giumal Formation

Mr. Nisar Ahmad, c/o Dr. R. Hilal
Kohsar Colony, Siadu Sharif, Swat, N.W.F.P., Pakistan
Tel.: 0992-38059
Interests: Rock phosphate, copper, gold, soapstone, limestone and other mineral resources

Dr. Sami Kottb Ibrahim Aita
Ass. Lecturer Nuclear Authority, Cairo- Nucler Materials Authority- Post office 530
El-Maddi-Cairo, Kattamiya Egypt.
Fax: (202) 27585361 Tel.: (202) 27582774, email:
Interests: Mode of formation and genesis of phosphorite, phosphatization, diagenesis, radioactivity, sedimentology and stratigraphy, sedimentary ore deposits.

Mr. George Ajdanlijsky
University of Mining and Geology "St. Ivan Rilski", Student town, Sofia 1700, Bulgaria
Fax: +359 2 9624940, Tel.: +359 2 627662, email:
Interests: modern and ancient tidal and delta deposits in arid and semiarid climate

Dr. Ihsan Al-Aasm
University of Windsor, Department of Earth Sciences, Windsor, Ontario N9B 3P4, CANADA
Fax: 519-973-7081, Tel: 519-253-4332, ext. 2494, email:
Interests: Dolomitization and neomorphism; pore water evolution and carbonate authigenesis; rock-water interactions in sedimentary basins; environmental isotope geochemistry

Dr. Mohammad Al-Agha
Islamic University, Department of Environment and Earth Science,Gaza, PO Box 108, Gaza Strip, PALESTINA
Fax: 9727863552, Tel: 9727863554, email:

Mr. Ismail Mahmoud Hassan Ali
Qatar University (Research Institute), P.O.Box 16309, Doha-Qatar (Arabian Gulf)
Tel.: 00974-5528652, email:
Interests: Marine Pollution, Marine biogeochemistry and Marine chemistry.

Prof. Robert Aller
Marine Sciences Research Center, SUNY, State University of New York,Stony Brook, NY 11794-5000, USA
Fax: 516-632-8820, Tel: 516-632-8746, email:
Interests: Early diagenesis; effects of bioturbation on authigenic mineral formation; deltaic sediments; authigenic Fe-clays; sulfides; carbonates; silica

Dr. Ahuva Almogi-Labin
Geological Survey of Israel, 30 Malkhei Israel Street, Jerusalem 95501, ISRAEL
Fax: 972/2 380 688, Tel: 972/2 314 232, email:
Interests: Phosphorites, esp. Upper Cretaceous of Middle East; Authigenic High Mg calcites in association with deep water environments of the Red Sea and the Mediterranean - in Recent and late Quaternary sediments

Prof. Khedar Al-Sagri
P.O. Box 83116, Tripoli Central Post Office, Tripoli, LIBYA; Fax: 00218-23-26194
Interests: Tethyan black shales, phosphates; Tethyan paleoceanography and paleoclimatology; Middle East petroleum geology

Dr. Alessandro Amorosi
Universita' di Bologna, Dipartimento di Scienze della Terra E Geologico-Ambientali, Via Zamboni, 67, 40127 Bologna, ITALY
Fax: 39-51.354522, Tel: 39-51.467476, email:
Interests: Sedimentology of glaucony-bearing formations; Glaucony and sequence stratigraphy; Glaucony and basin analysis; Sedimentology

Prof. Nicolae Anastasiu
University of Bucharest, Faculty of Geology and Geophysics, 1, Bd.N.Balcescu, Bucharest 70111, ROMANIA
Fax: 401-613 17 60, Tel: 401-614 35 08/152, email:
Interests: Glauconites, feldspars, evaporites

Dr. Ounis Anouar
Science Faculty of Tunis - Tunisia BP 23 Gabes Republique - 6040
Tel: 00 216 22 305 423, Fax: 00 216 70 860 325, email:
web site:
Interests: Phosphorite, Isotope of O, C and Sr, REE, K/T boundary

Dr. Esther Arning
MARUM, RCOM University Bremen, MARUM, University Bremen, D-28334 Bremen, Germany
Tel: +49-(0)421-218-65744, Fax: +49-(0)421-218-65715, email:
web site:
Interests: phosphorites, geobiology, marine geochemistry, biogeochemical processes

Prof. Gustaf Arrhenius
Scippps Institution of Oceanography, University of California at San Diego, La Jolla, CA 92093-0220, USA
Fax: 619 534 2961, Tel: 619 534 2961, email:
Interests: Marine authigenesis in relation to the origin and evolution of life

Dr. Michael A. Arthur
Pennsylvania State University, Department of Geosciences, University Park, PA 16802, USA
Fax: 814-863-7823, Tel: 814-863-6054, email:
Interests: phosphorites; organic-rich depositional settings

Rolf Arvidson
Department of Geology and Geophysics, Rice University, Houston, TX 77005
Tel: 713-348-5793, email:
Interests: Dolomite genesis; kinetics of dolomite precipitation; chemical history of sea water; marine cold seep geochemistry and sulfate reduction; experimental synthesis and methods

Dr. Abdel Kader M. Attia
Central Metallurgical Research and Development Instit, EGYPT
Fax: (202) 5010639, Tel: (202) 5010642
Interests: Phosphorites and non-metallics in general


Mr. Hassan Mohammed Baioumy
Central Metallurgical Research and Development Institute (CMEDI), P.O. Box 87 Helwan, Cairo, EGYPT
Fax: 202-5010639, Tel: 02-5010642 (or 643)
Interests: Phosphorites, Clay Minerals, Mineralogy, Geochemistry, Sedimentology, Marine Geology

Dr. Paul A. Baker
Duke University, Department of Geology, Durham, NC 27708, USA
FAX: 919 684 5833, Tel: 919 684 6450, email:
Interests: Dolomite formation, Phosphate formation, carbonate diagenesis, Modern processes of authigenesis in the marine and fresh pore fluids, Hydrothermal mineralization, Using authigenic minerals as "diagenetic fossils"

Dr. Virupaxa K. Banakar
Institute of Oceanography, Dona Paula, Goa 403 004, INDIA
Fax: 91-(0)832-223340, Tel: 91-(0)832-221322, 226253, ext. 361, email:
Interests: Marine ferromanganese mineralization and paleoceanography, Geochemical behaviour of elements in various depositional environments

Dr. Dhiraj M. Banerjee
Department of Geology, Chatra Marg, University of Delhi, Delhi-110007, INDIA
Fax: 00-91-11-725-7336/ 725641; Tel: 0091-11-7257658 (Home), email:
Interests: Precambrian phosphorite, phosphorite-chert-black shale ar the PC/C transition; Sedimentation and geochemistry including stable isotope geochemistry; Neoproterozoic evaporites: C-S isotope geochemistry

Dr. Ranadip Banerjee
Geological Oceanography Division, National Institute of Oceanography, Dona Paula, Goa 403 004, INDIA
Fax: +91 0 832 2450-602/03, Tel: +91 0 832 2450-325/246-5053, email:,
Interests: Recent marine manganese-iron associations and their ancient analogs, geochemistry of marine sediments at low temperature, early authigenic/diagenetic origin.

Dr. M.V. Baride
Department of Geology, Jai Hind College of Arts, Science and Commerce, Deopur, Dhule 424002 (MS), INDIA

Dr. Gleb N. Baturin
Institute of Oceanology, Krasikova 23, Moscow 117218, RUSSIA
Fax: 7 095 124 5983, Tel: 7 095 132 1742, email:, TELEX: 411 968 okean su
Interests: Oceanic geochemistry related to phosphorites, iron-manganese accumulations, and elemental sedimentary balances

Prof. Richard J. Behl
California State University, Department of Geological Sciences, 1250 Bellflower Blvd., Long Beach, CA 90840-3902, USA
Fax: 310 985 8638, Tel: 310 985 5850, email:, website:
Interests: Early diagenesis of silica, organic matter, dolomite and phosphate

Jaloul Bejaoui
Faculty of Science of Tunis, Department of Geology

Te.: +21 694034146, email:

Interests: Economic Geology

Dr. Veneta Belivanova
Department of Palaeozoology, Swedish Museum of Natural History, Box 50007, SE-104 05 Stockholm, SWEDEN
Fax: +46-8 5195 4184, Tel: +46-8 5195 4173, email:
Interests: Carbonate rocks: Microfacies analysis of limestones, Diagenesis of carbonates; recently: Organosedimentary Deposits

Prof. Noureddine Benalioulhaj
Department de Geologie, Ecole Mohammadia d'Ingenieurs (EMI), BP 765, Agdal-Rabat, MOROCCO
Fax: 212/7778853, Tel: 212/7771905 & 06; email:
Interests: Geochemistry of phosphorites; Environmental and pollution problems due to mining and benificiation of phosphorites (Fluorine, Cadmium, Phosphogypsum)

Laura M. Benninger
University of California, Department of Geology, Davis, CA 95616, USA

Dr. Stefano Bernasconi
ETH-Zentrum, Geologisches Institute, CH-8092, Zürich, SWITZERLAND
Fax: 41 1 632 10 80, Tel: 41 1 632 36 93, email:
Interests: Stable isotope biogeochemistry; organic-rich sediments, dolomite formation

Dr. Miriam A. Bertram
Home: 13348 23ed Avenue N.E., Seattle, WA 98125, USA.
Pacific Marine Environmental Lab, NOAA, 7600 Sand Point Way, N.E., Seattle, WA 98115-0070, USA
Fax: 206-526-6054; email:
Interests: Ferromanganese-oxide deposits: Authigenesis and diagenesis, biological mediation of authigenic mineral precipitation

Rubina Bilqees
P.C.S.I.R Laboratories, Jamrud Road, P.O. Box 1445, Peshawar, PAKISTAN
Fax: 92 521 41476, Tel: 92 521 842771-5
Interests: Phosphorites and other associated authigenic minerals

Dr. Jim Boles
Department of Geological Sciences, University of California, Santa Barbara, CA 93106, USA
Fax: 805 893 2314, Tel: 805 893 3719, email:
Interests: Siderite-glauconite-pyrite-phosphorite occurrences. Currently working on the Cretaceous north slope of Alaska

Dr. Michael E. Böttcher

Department of Biogeochemistry, Max-Planck-Institute for Marine Microbiology, Celsiusstr. 1, D-28359 Bremen, GERMANY
Tel: (+49) 421-2028-655, email:
Interests: Sulfate reduction, pyrite formation, stable isotope fractionation (34S, 13C, 15N, 18O), authigenic carbonates and sulfides, manganese-iron cycling

Dr. David J. Bottjer
Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740 USA
Fax: 213-740-8801; Tel: 213-740-6100; email:

Dr. Armand Boujo
Instituto Astronomico e Geofisico, USP-NUPEGEL, Caixa Postal 9638, 01065-970 Sao Paulo, SP, BRAZIL
Tel: 11-577 85 99
Interests: Phosphorites

Dr. David A. Budd
Department of Geological Sciences, University of Colorado, Boulder, CO 80309, USA
Fax: 303-492-2606, Tel: 303-492-3988, email:
Interests: dolomites and phosphorites

Dr. William C. Burnett
Florida State University, Environmental Radioactivity Measurement Facility, Department of Oceanography, Tallahassee, Florida 32306-4320, USA
fax: 850-644-2581, tel: 850-644-6703, email:,
Interests: phosphorites; radiochemistry


Guy Cabioch
U.R. 055 "Paleotrophique", Institut de Recherche pour le Developpement, Centre IRD (ex-OSTROM), B.P. A5, Noumea cedex, NEW CALEDONIA
Fax: 687-26-43-26, Tel: 687-26-07-39, email:
Interests: carbonates, diagenesis, reef deposits, microbialite developments, reef growth

Dr. Kathleen A. Campbell

NASA Ames Research Center, MS 239-4, Moffett Field, CA 94035-1000, USA
Fax: 415 604 1088, Tel: 415 604 5737
Interests: Authigenic carbonates, methane-derived seep carbonates, glauconite

Dr. Alan Carroll
Department of Geology and Geophysics, University of Wisconsin, 1215 W. Dayton st., Madison, WI, USA
Fax: 608-262-0693, Tel: 608-262-2368, email:, Homepage:
Interests: tectonics and sedimentation, sequence stratigraphy, and organic geochemistry

Dr. Liliana Castro
Geología Minera, Departamento Ciencias Geológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires Ciudad Universitaria. Pab 2. 1° Piso., 1428. Buenos Aires, ARGENTINA
Fax: 54 11.4964 2936, Tel: 54 11.4964 2936, email:
Interests: phosphorites, glauconites, early authighenic /diagenetic origin

Dr. Henry S. Chafetz
Department of Geosciences, University of Houston, Houston, Texas, 77204-5503, USA.
Fax: (713) 748-7906, Tel: (713) 743-3427, email:
Interests: carbonates, glauconite, authigenic quartz, oolitic ironstones

Dr. El Hassane Chellai
Universite Cadi Ayyad, Faculté des Sciences Semlalia, Département de Géologie, B.P.S. 15, Marrakesh, MORROCO
Fax: 212-4-43-67-69, Tel: 212-4-43-46-49
Interests: Phosphorites and associated sediments of Morocco; sequence stratigraphy

Prof. Daizhao Chen
Institute of Geology, Chinese Academy of Sciences, P.O. Box 9825, Beijing 100029, P.R. CHINA
Fax: 86-10-64919140, Tel: 86-10-62027766 ext. 327
Interests: Sea-level changes and controls on formation and composition of marine authigenic minerals

Prof. Max Coleman
The University of Reading, Postgraduate Research Institute for Sedimentology, P.O. Box 227, Whiteknights, Reading RG6 6AB, UNITED KINGDOM
Fax: 44 1734 310279, Tel: 44 1734 316627, email:
Interests: Diagenetic mineralization

Albert S. Colman
Center of Marine Biotechnology, University of Maryland Biotechnology Institute, 701 East Pratt St., Baltimore, MD 21202
Tel: (410)234-8871, Fax: (410)234-8896, email:
Interests: Kinetics of mineral dissolution and precipitation, especially in relation to global biogeochemical cycles

Prof. John Compton
University of Cape Town, Department of Geological Sciences, Rondelbosch 7700, SOUTH AFRICA
Fax: (021) 650-3783, Tel: (021) 650-2927, email:
web site:
Interests: Phosphorite. dolomite/siderite and glacucony as related to organic-rich sedimentation and global carbon cycle

Christopher Consoli

Geoscience Australia, GPO Box 378 Canberra ACT 2601 Australia
Fax: +61 2 62499977, Tel: +61 2 62499335, email:
web site:
Interests: Formation of phosphates and related authigenic minerals in the marine realm; the phosphorus cycle and its role in climate and biodiversity.

Dr. Peter J. Cook

Executive Director Australian Petroleum Cooperative Research
Centre Level 3, 24 Marcus Clark St., GPO Box 463, Canberra City, ACT 2601, AUSTRALIA
Fax: +61 2 62300448, Tel: +61 2 62003366, email:
Interests: Phosphorite, petroleum, marine minerals

Prof. David Cronan
Department of Geology, Imperial College, London SW7 2BP, UNITED KINGDOM
Fax: 44 171 594 6500, Tel: 44 171 594 6396, email:
Interests: Marine Ferromanganese Deposits

Prof. Anna M. Cruse
Oklahoma State University, 105 Noble Research Center, Stillwater, OK 74075 USA
Fax: +1 (405) 744-7841; Tel: +1 (405) 744-6358; email:
Interests: Authigenesis and diagenesis of sediments; authigenic minerals as paleoredox indicators; REEs in phosphorites

Prof. Charles Curtis
University of Manchester, Dept. of Earth Sciences, Oxford Road, Manchester M13 9PL, UNITED KINGDOM
Fax: 44 161 275 3947, Tel: 44 161 275 3802, email:
Interests: Authigenesis of iron minerals (carbonates, sulfides, silicates); Kinetics of diagenetic reactions; Kinetic models for clay mineral authigenesis


Dr. Walter E. Dean
U.S. Geological Survey, Box 25064, MS 980, Federal Center, Denver, CO 80225-0046, USA
Fax: 303 236 0459, Tel: 303 236 5760, email:
Interests: Marine ferromanganese nodules and crusts, glauconite, phosphorite, wherever they may occur but particular interest in marine upwelling areas

Dr. Eric DeCarlo
University of Hawaii, Department of Oceanography, Honolulu, HI 96822 USA
Fax: 808 956 7117, Tel: 808 956 6473, email:
Interests: Marine Fe-Mn oxides (crusts, nodules, sediments; Trace metal interactions at the water/particle interface; REE geochemistry in authigenic sediments, mineral deposits, phosphorites

Prof. Margaret L. Delaney
University of California, Institute of Marine Sciences, Santa Cruz, CA 95064, USA
Fax: 408 459 4882, Tel: 408 459 4736, email:
Interests: Phosphorus geochemistry and burial in marine sediments, including authigenesis. General processes of early diagenesis

Dr. Gert J. de Lange
Institute for Earth Sciences, Department of Geochemistry, Budapestlaan 4, 3584 CD Utrecht, The Netherlands
Fax: 31-30-253-5030, Tel: 31-30 253-5034, email:
Interests: Phosphorites, Fe/Mn deposits, particularly as related to these and other geochemical sediment parameters of possible paleoceanographic and diagenetic changes

Dr. Gerald (Jerry) R. Dickens
Rice Univesrity, Department of Earth Sciences, Houston, TX 77005, USA
Fax: +1 713 348 5214, Te.: +1 713 348 5130, email:
Interests: Paleoceanography and marine mineral deposits, particularly those of manganese, iron, and barium

Mr. Aleksander Dulaj
Lagja "Kongresi Permetit" Rr. "Jakov Xoxa", Pallati 54, Fier, ALBANIA
Fax: 00 355 34533
Interests: Roles of organic matter in sediment diagenesis; Marine chemical sediments


Dr. Eric A. Eganov
Institute of Geology, 630090 Novosibirsk, RUSSIA
Fax: (8) 3832-352692, Tel: (8) 3832-354650, email:, Telex: 133123 KORA SU
Interests: New biogenetical model for phosphorite's origin and its significance for study of stratified ore deposits

Dr. Prof. Fathy A. El Nozahy
Alexandria University, Faculty of Science, Geology Department, Alexandria, EGYPT
Fax: (203) 483-6618, Tel: (203) 854895
Interests: Dolomite and dolomitization; diagenesis of carbonates; clastic deposits, sandstones and clays

Dr. Ahmed M. El-Shistawy
Geology Department, Faculty of Science, Tanta University, Tanta, EGPYT
Fax: 20-40-314225, Tel: 20-40-302889, email:
Interests: Phosphorites and associated facies

Hesham El-Sobky
Faculty of Science, Geology Department, Alexandria University, Alexandria, EGYPT
Fax: (203) 483-6618, Tel: (203) 549-3362, email:
Interests: Applications of remote sensing and especially estimation of rock type (igneous or sedimentary)

Dr. Prof. Emelyan Emelyanov
P.P. Shiizshov Institute of Oceanology RAS, Atlantic Branch, Prospekt Miza, 1 Kalimingrad, 236000, RUSSIA
Fax: 0112 272945, Tel: 0112 216578, email:
Interests: Authigenic minerals in oxic-anoxic basins; iron oxides, sulphides, Mn oxides, Mn carbonates (rhodochrosite etc.), gypsum, siderite, Mg-calcite, stroncianite, barite, chamosite, hydrogeothite, etc.

Dr. Jane Evans
NERC Isotope Geosciences Laboratory, NIGL at the British Geological Survey, NOTTM, NG12 5GG, UK
Fax: +44 ( 0 ) 115 936 3303, Tel. +44 (0) 115 936 3596, email:
Interests: Authigenic monazite as a record fluid movement, composition and age.


Dr. Gabriel Filippelli
Indiana University/Purdue University, Department of Geology, Indianapolis. IN 46202-5132, USA
Fax: 317 274 7966, Tel: 317 274 3795, email:
Interests: Geochemistry of phosphatic sediments: Phosphorus cycling in ocean and terrestrial environments

Dr. Fiona Fitzpatrick
Oceanic Minerals, 41 Glen Alpine Way Bergvliet South Africa
Tel: +27 21 7155359, email:
Interests: Marine glauconites and phosphates as potential fertilizers

Prof. Karl B. Föllmi
Institut de Géologie, Université de Neuchâtel, Rue Emile-Argand 11, Case postale 2, CH-2007 Neuchâtel, SWITZERLAND
Fax: 41-32-718 26 01, Tel: 41-32-718 26 55 , email:
Interests: Phosphate-rich sediments, sedimentology, stable isotope geochemistry, paleoceanography, paleoclimatology

Dr. Carlos Fonseca
Stanford University, Geological and Environmental Sciences Department, Stanford, CA 94305, USA
Fax: 415-725-6156, Tel: 415-725-6156, email:
Interests: Deposition of phosphates, phosphogenesis and organic carbon burial, cyclicity, the phosphorus cycle and climate change. Special interest in late Cretaceous and Tertiary deposits of western North America, including Baja California Sur, Mexico

Dr. Bruce W. Fouke
Department of Geology, University of Illinois, 245 Natural History Building, 1301 W. Green Street, Urbana, IL 61801, USA
Fax: (217) 244-4996, Tel: (217) 244-5431, email:
Interests: carbonate sedimentology/stratigraphaphy/geochemistry, with specialities in diagenesis and water-rock interaction; dolomites

Mr. Kendall Fountain

University of Florida, Department of Geology, 1112 Turlington Hall
Gainesville, FL 32607, USA
Fax: 352-392-9294, Tel: 352-335-3966, email:
Interests: Phosphorite formation; francolite authigenesis; nutrient cycling in Corg-rich sediments; phosphorite diagenesis (submarine, burial, meteoric); clay mineral authigenesis

Prof. Gerald M. Friedman
Northeastern Science Foundation, Rensselaer Center of Applied Geology, 15 Third Street, P.O. Box 746, Troy, NY 12181-0746, USA
Fax: 518 273 3249, Tel: 518 273 3247, email:
Interests: Authigenic carbonates, including siderite, feldspar, etc.

Prof. Philip N. Froelich, (Francis Eppes Professor of Oceanography)
Department of Oceanography, Florida State University, Tallahassee, Florida 32306-4320
National High Magnet Field Laboratory;1800 E. Dirac Drive;Tallahassee, FL  32310-4005 USA
Fax: 850-644-0827, Tel: 850-644-4331email:
Interests: Phosphorites; Marine sediment diagenesis - redox, opal; Paleogeochemistry


Dr. Luis Gago-Duport
University of Vigo, Faculty of Marine Sciences, Campus Lagoas-Marcosende.Apdo. 874, 36200 Vigo, SPAIN
Fax: +34 86 812556, Tel+34 86 812638, email:
Interests: Understanding mechanisms of authigenic mineral formation in marine environnments from a microscopic point of view; Characterization of nucleation and crystal growth kinetics from both, laboratory and natural systems; Mechanisms for authigenic layer-silicates formation in marine environnments (in particular low-temperature glauconite syntheses in microenvironnments); transformation processes involving Si-related minerals (Biogenic silica, feldspars, etc); coupling processes between carbonates and sulfides during the early diagenesis and its impact on geochemical cycle models.

Dr. Galal Galal

Geology Department, Faculty of Science, Alexandria University, Alexandria, EGYPT
Fax: (203) 4936618, Tel: (203) 4942455 email:
Interests: Paleoenvironments; Sequence Stratigraphy; Biostratigraphy; Micropaleontology; Foraminifera

Dr. Angeles García Del Cura
Universidad de Alicante, Depr. Ciencias de la Tierra, Ap. 99, 03080 Alicante, SPAIN
Fax: 34 6 5902727, Tel: 34 6 5903727
Interests: Glauconite

Dr. Geoffrey Garrison, Associate Researcher
Department of Earth and Space Sciences, 63 Johnson Hall, University of Washington, Box 351310, Seattle, WA 98195
Fax: 206-850-0740 (C/O Peter Ward), Tel: 206-616-8763, email:
Interests: Using elemental and stable isotope geochemistry (C, N, O, S), to examine the timing, duration, and extent of the Permian-Triassic and Triassic-Jurassic mass extinction events. Using sedimentary deposits from both marine and terrestrial environments to study the environmental character of the earth system during these events. More specifically, studying these events for evidence (or lack thereof) of extraterrestrial causes (e.g. bolide impacts) or terrestrial ones (e.g. sea level fall, anoxic ocean overturn, atmospheric asphyxiation, Large Igneous Province emissions)

Dr. Robert E. Garrison
University of California, Ocean Sciences Department, Earth and Marine Sciences Building, Santa Cruz, CA 95064, USA
Fax: 408 459 4882, Tel: 408 459 5563, email:
Interests: Origin and distribution of authigenic carbonates and phosphates; Sequence stratigraphic significance of early diagenetic mineral phases

Hechmi Garnit
Institution: Faculté des Sciences de Tunis, 2092, Tunis, Tunisia
Tel: +216 961 66643, email:
Interests: Geochemistry of phosphorites

Dr. Luis Gaspar
I.G.M. Dep. Geologia Marinha, Estrada Da Portela - Zambujal, A.P. 7586, 2720 Alfragid, PORTUGAL
Fax: 351-1-4719018, Tel: 351-1-471 8922, email:
Interests: Geochemistry and mineralogy of phosphorites and polymetallic crusts

Prof. Pierre Giresse
Universite de Perpignan, Labor. de Sedimentologie et Geochimie Marines, URA CNRS 715, 66860 Perpignan Cedex, FRANCE
Fax: 68 66 20 96, Tel:, email:
Interests: Phosphorites, glauconites, siderites, manganese-iron associations and other marine chemical sediments/sedimentary rocks of low temperature, early authigenic/diagenetic origin, particularly those which overlap in space, time, and genesis

Dr. Geoffrey Phillip Glasby
42, Warminster Cres., Sheffield S8 9NW, ENGLAND
email: from Nov 23-Dec. 21 1998
Until 12 Nov. 1998: C/O Prof. J. Kasahara, Earthquake Research Institute, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113 Japan
From Feb. 99 - July 99: email: (only until November, 1998)
Interests: Deep-sea minerals (e.g. manganese nodules and crusts, hydrothermal Mn and Fe oxides

Prof. Craig R. Glenn
University of Hawaii, Department of Geology and Geophysics, POST Bldg. 720A, Honolulu, HI 96822, USA
Fax: 808 956 5512 or 956-2538, Tel: 808 956 2200, email:, Homepage:
Interests: Phosphorites, glauconites, siderites, manganese-iron associations and other marine chemical sediments/sedimentary rocks of low temperature, early authigenic/diagenetic origin, particularly those which overlap in space, time, and genesis

Dr. Tatiana Goldberg
Newcastle University, School of Civil Engineering and Geosciences, Newcastle upon Tyne, NE1
7RU, United Kingdom
Tel: +44 191 222 5964, Fax: +44 191 222 5322, email:

web site:
Interests: Ancient phosphorites, Sedimentary Geochemistry, Isotope Geochemistry

Dr. Donn S. Gorsline
Department of Earth Sciences, University of Southern California, Los Angles, CA 90089-0740, USA
Fax: 213-740-8801, Tel: 213-740-5125, email:
Interests: Changing productivity over the past 100,000 years off California and Gulf of California Margins; Marine authigenesis

Prof. Dr. Jens Götze
TU Bergakademie Freiberg, Institute of Mineralogy, Brennhausgasse 14, D-09596 Freiberg, Germany
Fax: +49 (0)3731-393129, Tel: +49 (0)3731-392638, email:

Karen Graber
Ocean Drilling Program, 1000 Discovery Drive, College Station, TX 77845
Fax: 409-845-0562, Tel: 409-845-7924, email:
Interests: Barites, Phosphate and Phosphorites, and Chert

Dr. Kurt Grimm
Assistant Professor, Department of Earth and Ocean Sciences, University of British Columbia,Vancouver, BC V6T 1Z4 Canada, Earth
Fax: 604 822 6088, Tel: 604 822 9258, email:,
Interests: Tertiary phosphorites in California and Baja California; Allostratigraphy of coated phosphorite grains and their relationship to regional lithostratigraphy; Tertiary phosphorites in the Middle East; Stratification and origin of economic phosphorite beds

Dr. John Grotzinger
Massachusetts Institute of Technology, Department of Earth Sciences, Room 54-816. Cambridge, Massachusetts 02139, USA
Fax: 617-258-7401, Tel: 617-253-3498, email:
Interests: Patterns of biotic and abiotic mineralization through time

Mr. Michael Guidry
University of Hawaii, Department of Oceanography, Honolulu, 96822, USA
Fax: 808 9567112, Tel: 808 956 5292, email:
Interests: Thermodynamic proporties of carbonate fluorapatite

Prof. Mickey Gunter
Department of Geology, University of Idaho, Moscow, ID 82844-3022, USA
Fax: 208-885-5724, Tel: 208-885-6015, email:
Interests: Crystal structure and crystal chemistry of apatite; Mineralogical characherization of phosphate deposits; Zeolites


Prof. Halliday Alex
ETH Zurich, IGMR, Earth Sciences, NO, Sonneggstrasse 5, ETH Zentrum, CH8092, Zurich, Switzerland
Fax: 41 (0)1 632 1179, Tel.: 41 (0)1 632 7525, email:

Dr. Mrs. Micheline Hanzo
Universite Henri Poincare de Nancy 1, Lab. Geol. des Ensembles Sedimentaires, B.P. 239, 54506 Vandoeuvre Les Nancy Cedex, FRANCE
Fax: 83 90 35 33, Tel: 83 91 24 85, email:
Interests: Phosphate nodules of Lias de Lorraine (NE France)

Dr. W. Burleigh (Bill) Harris
University of North Carolina at Wilmington, Department of Earth Sciences, Wilmington, N.C. 28403, USA
Fax: 910 350 7077, Tel: 910 395 3492, email:
Interests: Glauconite stratigraphy, geochemistry, stable isotopes, Rb-Sr and K-Ar radiometric ages. Neogene sequence stratigraphy of Florida, including phosphorites

Prof. Frank C. Hawthorne
Department of Geological Sciences, University of Manitoba, Winnipeg, MB. R3T 2N2 CANADA
Fax: 204-474-7623, Tel: 204-474-8861, email:
Interests: Crystal structures and paragenesis of phosphates, sulphates and carbonates

Dr. David Heggie
Australian Geological Survey Organization, P.O. Box 378, Canberra, ACT, 2601, AUSTRALIA
Fax: 61062499986, Tel: 61062499589, email:
Interests: Marine phosphorites, iron-phosphorus associations; Manganese nodules and crusts. Mn-Fe-trace metal associations; Early diagenesis and organic matter degadation; Ocean margin transport mechanisms and fluxes of metals and other minerals

Dr. James R. Hein
U.S. Geological Survey, ms 999, 345 Middlefield Rd., Menlo Park, CA 94025-3591, USA
Fax: 650-329-5299, Tel.: 650-329-5287, email:
Interests: Marine diagenesis and authigenic minerals including: Phosphorite-CFA, Barite, Zeolites, Silica, glauconite, pyrite, Fe-Mn oxides, carbonates

Dr. Mohsen Henchiri
Tunis Science University (Dep. of Geology), Departement de Géologie, Faculté des Sciences de Tunis, 1060 Tunisia
Fax: 21671885408, Tel.: 21698911157, email:
Interests: geochemistry and mineralogy of sedimentary phosphate, depositional environment of phosphatogenesis.

Prof. Marc S. Hendrix
University of Montana, Department of Geology, Missoula, MT 59801, USA
Fax: 406-243-4028, Tel: 406-243-5278, email:
web site address:
Interests: Phosphorites, particularly ancient; the Phosphoria Formation and its ancient and modern analogs

Prof. Reinhard Hesse
McGill University, Dep. of Earth and Planetary Sciences, 3450 University Street, Montréal, Québec H3A 2A7, CANADA
Fax: 514 398 4680, Tel: 514 398 4895, email:
Interests: Authigenic carbonates in organic-matter rich sediments (ODP Leg 164: siderite, dolomite); glauconite; gas hydrates and pore water chemistry

Eric Hiatt
Department of Geology, University of Wisconsin, 800 Algoma Boulvard, Oshkosh, WI 54901-8649, USA.
tel: 920-424-7001; fax: 920-424-0240; email:
Interests: Geochemistry, sedimentology, and oceanographic settings of ancient marine phosphorites, especially with respect to how they compare to modern deposits

Dr. Hanafy Holail
Alexandria University, Faculty of Science, Geology Department, Alexandria, EGYPT
Fax: 03-4911794, Tel: 03 5454900; email C/O Dr. Galal:
Interests: Stable carbon and oxygen isotope geochemistry and diagenesis of carbonates. Chemistry of the oceans through geologic time

Dr. Mary Anne Holmes
University of Nebraska, Lincoln, Geology Department, 216 Bessey Hall, Lincoln, NE 68588-0340, USA
Fax: 402 472 4917, Tel: 402 472 5211, email:
Interests: Glauconite and siderite formation and associated sediments

Dr. Bryce Hoppie
242 Trafton Science Center N (office-TN 246), Minnesota State University Mankato, Mankato MN 56001, USA
Fax: +1 507 389 5624,, Tel.: +1 507 389 2315, email:
Interests: Relationships among relative sea level change, phosphogenesis, and organogenic dolomitization in coastal upwelling environments; phosphorus cycling in eutrophic lakes.

Dr. Yongjian Huang
College of Geoscience, Chengdu University of Technology, Chengdun, China
Fax: +86 28 84077099, Tel.: +86 28 84079527, email:
Interests: Red beds research, marine geochemistry, GIS

Prof. John Hudson
University of Leicester, Department of Geology, Leicester LEI 7RH, UNITED KINGDOM
Fax: 0 116 252 3918, Tel: 0 116 252 3939, email:
Interests: Carbonate-pyrite-celesite concretions in clays; phosphorites

Dr. Viqar Husain
PCSIR Laboratories, Jamrud Road, P.O. Box 1445, Peshawar, PAKISTAN
Fax: 92/521 41476, Tel: 92/521 842771-5
Interests: Phosphorites and other industrial minerals


Dr. Azuma Iijima
JAPEX Research Center, 1-2-1 Hamada, Mihama-Ku, Chiba 261, JAPAN
Fax: 81/43 275 9316, Tel: 81/43 275 9311, email:
Interests: Genesis of glauconite, and sedimention of glauconite beds. Authigenic zeolites in marine sediments

Dr. Ellery Ingall
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332-0340
Tel: 404.894.3883, Fax: 404.894.5638. email:
Interests: Phosphorites and phosphrous; organic carbon preservation and diagenesis

Dr. Andrei V. Ilyin
Institute of the Lithosphere, Russian Academy of Science, Staromometny 22, Moscow, 109180, RUSSIA
Fax: 233 5590, Tel: 233 55 88, email: (this is care of Dr. Valery Zlobin) or
Interests: "Old" (Late Precambrian-Early Cambrian) phosphorites; Late Cretaceous Trans-European epicontinental Seaway (The Sea of the Chalk)-lithofacies, REE patterns, sea level changes, organicrich sediments and paleogeographic development

Sridhar D. Iyer

National Institute of Oceanography, Geological Oceanography Division, Dona Paula, Goa 403 004, INDIA
Fax: 91 (0) 832-223340 or 229102, Tel: 91 (0) 226253/56 (ext. 4363), email:
Interests: Alteration of seafloor basalts and their resultant products such as palagonite, clays, zeolites. feldspars


Dr. Elisabeth Jacobs
CNRS,Centre de la Géochimie de la Surface (CNRS), 1 rue Blessig, 67084 Strasbourg-Cedex, France
Fax: 0033 3 88 36 72 35, Tel.: 0033 3 88 35 86 59, email:

Dr. Richard Jahnke
Skidaway Institute of Oceanography,10 Ocean Science Circle, Savannah, Georgia 31411, USA
Fax: 912-598-2310, Tel: 912-598-2419, email:
Interests: Phosphorites, Carbonates, Opal, Silicates, Fe & Mn Minerals

Dr. Ian Jarvis
Kingston University, School of Geol. Sciences, Penrhyn Road, Kingston upon Thames, Surrey KT1 2EE, UK
Fax: 44 181 547 7497, Tel: 44 181 547 7526, email:
Interests: Phosphate and glauconite genesis and diagenesis; phosphorite sedimentology and geochemistry; francolite geochemistry; environmental geology of phosphorite exploitation

Dr. Caroline Jehl
Laboratoire H.E.A., OSTROM, 911 Avenue Agropolis, B.P.5045, 34032 Montpellier cdx 1, FRANCE
Fax: (33) 66352099, Tel: (33) 67 68 4325
Interests: Insular phosphorites, microbial processes

Dr. Paul W. Jewell
University of Utah, Department of Geology and Geophysics, 717 Browning Building, Salt Lake City, Utah 84112, USA
Fax: 801-581-7065; Tel: 801-581-6636; email:
Interests: Physical and chemical controls of anoxia and nutrients in ancient and modern oceans and lakes; paleoceanographic context of black shales, phosphorites, and bedded barites; application of oceanic GCMs to the genesis of chemical sediments

Dr. Maosheng Jiang
Institute of Geology, Chinese Academy of Sciences, P.O. Box 9825, Beijing 100029, P.R. CHINA
Fax: 86-10-64919140, Tel: 86-10-62027766 ext. 327
Interests: Carbonates, mixed siliciclastic-carbonate sedimentation, paleobiogeography, authigenic minerals (such as glauconites), condensed sections and sequence stratigraphy

Cédric John
Institute für Geologie und Paläontologie, Uni-Stuttgart, Alte Stuttgarter Strasse 83, 70195 Botnang, Germany
Interests: Sedimentology, Geochemistry, Phosphogenesis and phosphatic condensation, oceanography

Dr. Ampah K. C. Johnson
University of Benin, Departement des Sciences de la Terra, BP 1515, Lome, TOGO
Fax: 25 87 84, 21 85 95, Tel: 25 08 77, 26 89 44
Phosphorites, glauconites, coastal basin sediments, agrominerals

Dr. Youssef M. Jubeli
Department of Geology and Nuclear Ores, Syrian Arab Republic Atomic Energy Commission, (AECS), P.O. Box 6091, Damascus, SYRIA
Fax: 963 11 6620317, Tel: 6668114/5, Telex: 411420 ATENCO
Interests: Geochemistry, mineralogy and genesis of phosphorites and manganese nodules


Mr. F.M. Zafar Kaifi, Director SEGMITE
PCSIR Laboratories, Jamrud Road, P.O. Box 1445 Peshawar University, NWFP, Peshawar, PAKISTAN
Fax: 92-91-41476, Tel: 92-91-842771-5 Ext. 334, email:
Interests: Processing industrial minerals, crystal chemistry and crystallography, geochemical characterization and beneficiation of low grade ore

Dr. Anne Marie Karpoff
CNRS - Centre de Geochimie de la surface, 1, rue Blessig, 67084 Strasbourg, Cedex, FRANCE
Fax: +33 3 88 36 72 35, Tel.: +33 3 90 24 04 26, email:
Interests: Authigenesis in oceanic sediments (clay minerals, zeolites, oxides, ...): early diagenesis, hydrotermalism. Geochemistry. Water-rock interactions in marine realm. Paleoclimatic records.

Dr. Miriam Kastner
University of California, San Diego, Scripps Institute of Oceanography, GRD - 0212, 9500 Gilman St., SVH A-012, La Jolla, CA 92093-0212, USA
Fax: 619 534 2065, Tel: 1/619 534 0784,
Interests: Phosphorites, glauconites, carbonates, clay minerals, barites, chemical paleoceanography

Prof. Akindynos (Akis) Kelepertsis

University of Athens, Department of Geology, Section of Economic Geology and Geochemistry, Panenistimiopolis, Ano Ilisia, 15784 Athens, GREECE
Fax: 01/743380, Tel: 01/7284204
Interests: Mineralogy, geochemistry, diagenesis of Neogene sedimentary rocks and metalliferous sediments of Greece

Mr. Bahrawar Khan
Kakul Phosphate (Pvt) Limited, PO Box No. 83, Abbottabad, PAKISTAN
Fax: (0)5921-30918, Tel: (0)5921-30813
Interests: Ultilization of low grade phosphorite as a straight fertilizer; Beneficiation of phosphate rock.

Dr. Azam Khawaja
Quaid-I-Azam University, Department of Earth Sciences, Islamabad, PAKISTAN
Tel: 92/829136
Interests: Diagenesis of carbonate rocks; Trace element studies

Dr. David Kidder
Ohio University, Department of Geological Sciences, Athens, Ohio 45701-2979, USA
Fax: 740 593 0486, Tel: 740 593 1108, email:
Interests: Origin and diagenesis of phosphorites and siliceous sediments

Dr. Robin Ian Knight
92 Vale Drive, Chatham, Kent ME5 9XA, United Kingdom
Tel: 01634 681611, email:
Interests: Phosphate, glauconite and associated hard grounds as Cretaceous marine palaeoenvironmental indicators (mainly Aptian & Albian).

Dr. Marie Koçi
Instituti i Studimeve dhe Projektimeve te Gjeologjise, Blloku "Vasil Shanto", Tirqana, ALBANIA
Fax: ++ (35542) 36597
Interests: Clay minerals; Iron-manganese-phosphate formation

Dr. Elena Koleva-Rekalova
Department of Sedimentology, Bulgarian Academy of Sciences, Geological Institute, "Acad. Georgi Bontchev" Str., Block 24, 1113 Sofia, BULGARIA
Fax: 3592 72 4638, Tel: 3592 713 22 57, email:
Interests: Marine carbonate sediments; Genesis of aragonite muds and diagenesis they undergo

Dr. Yehoshua Kolodny
The Hebrew University, Jerusalem
Institute of Earth Sciences, Department of Geology, Jerusalem 91904, ISRAEL
Fax: 972/2 662581, Tel: 972/2 6584685, email:
Interests: Geology and geochemistry of phosphorites and siliceous rocks. Geology of authigenic lacustrine sediments. Stable isotopes of O,C, H and S in sedimentary rocks

Dr. Kurt O. Konhauser

Canada Research Chair in Geomicrobiology, Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta, T6G 2E3, CANADA
Fax: 780 492 2030, Tel: 780 492 2571, email:
Interests: Sediment biogeochemistry; Microbial biomineralization of iron minerals, silicates, and carbonates

Dr. Andrea Koschinsky
Geosciences and Astrophysics, Research III, Room 108, School of Engineering and Science, International University Bremen IUB, Campus Ring 8, , D-28759 Bremen, Germany
Fax: +49 (0)421 200-3229 , Tel:  +49 (0)421 200-3567; email:
Interests: Genesis of marine ferromanganese crusts, nodules and phosphorites; heavy metal cycles in seawater

Dr. Krzysztof P. Krajewski, Associate Professor
Institute of Geological Sciences, Polish Academy of Sciences, Twarda51/55, 00-818 Warsaw, POLAND
Fax: +4822 6206223, Tel: +4822 6978726, email:
Interests: Authigenic marine phases related to organic matter diagenesis and microbial processes

Dr. John (Jack) Kronen, Jr.
URS Corporation, 615 Piikoi Street, Suite 900, Honolulu, HI  96814-3141
Fax: 808/593-1198, Tel: 808/593-1116. email:
Interests: Sequence stratigraphy; Paleoceanography; Physical properties of sediments

Prof. Lee Kump
Pennsylvania State University, Dept. Geosciences, 210 Deike Building, University Park, PA 16802, USA
Fax: 814 865 3191, Tel: 814 863 1274, email:
Interests: Behavior of phosphate in coastal groundwaters; P geochemical cycle; Authigenic minerals and evolution of ocean chemistry


Prof. Michel Lamboy
University of Rouen, Geology Department, F 76821 Mont Saint Aignan Cedex, FRANCE
Fax: 02 3514 70 22, Tel: 02 35 59 12 74
Interests: Phosphogenesis, phosphorite petrography, phosphate grains, hardgrounds, glauconite, phosphatic nodules

Prof. Abdelaziz Laghzizil
University of Rabat,, Faculty of Sciences Dept. of chemistry, Av. Ibn Batota BP.1014 Rabat-Agdal Morocco
Fax: +21237775440, Tel: +21237775440, email:, web site:
Interests: phosphorite, carbonaceous apatite, chemical treatment, environment

Mr. Jiri Laurin
Charles University, Department of Geology, Albertov 6, 128 43 Praha 2, CZECH REPUBLIC
Fax: 422 296 084, Tel: 422 21952201
Interests: Francolite-glauconite-siderite associations in the context of sequence stratigraphy; Phosphorite-bearing discontinuity surfaces and condensed sections in Bohemian Cretaceous Basin; Sedimentology, ichnology, stable isotopes and major element geochemistry

Mr. Gareth Law
Dept. of Biogeochemistry and Earth Sciences, Scottish Association for Marine Science, Dunstaffnage Marine Labs, Dunbeg, Scotland. PA37 1QA
Tel.: +44 (0) 1631 559278, email:, website:
Interests: influence of bio-mineralisation, Fe/Mn cycling, bioturbation, on trace metal behaviour within the sedimentary environment

Professor Jiajing Lei
Institute of Geology, Academia Sinica, P.O. Box 9825, Beijing 100029, P.R. CHINA
Fax: 86-10-64919140, Tel: 86-10-62027766 ext. 323
Interests: Organic petrology and organic geochemistry; Isotope geochemistry; Diagenesis and evaluation

Mr. Yair Lewy
P.O.Box 187, Yeruham 80500, ISRAEL. Fax: 972 07 589040, Tel: 972 07 589346

Prof. Renwei Li
Institute of Geology, Chinese Academy of Sciences, P.O. Box 9825, Beijing 100029, P.R. CHINA
Fax: 86-10-64919140, Tel: 86-10-62027766 ext. 329
Interests: Organic-rich sedimentation, stable isotope geochemistry, organic geochemistry

Prof. Zhong Li
Institute of Geology, Academia Sinica, P.O. Box 9825, Beijing 100029, PEOPLES REPUBLIC OF CHINA
Fax: 86-10-64919140, Tel: 86-10-62027766 ext. 323
Interests: Sea-level changes and controls on formation and composition of marine authigenic minerals

Dr. Saulwood Lin
National Taiwan University, Institute of Oceanography, Taipei, TAIWAN, REPUBLIC OF CHINA
Fax: 886-2-3636424, Tel: 886-2-3636424, email:
Interests: Mechanisms of iron sulfide formation

Prof. Tiebing Liu
Institute of Geology, Academia Sinica, P.O. Box 9825, Beijing 100029, PEOPLES REPUBLIC OF CHINA
Fax: 86-10-64919140, Tel: 86-10-62027766 ext. 323
Interests: Fe-Mn-P interaction, isotopic geochemistry, diagenesis and evaluation of sedimentary organic matter, Mn-carbonate deposits

Mr. Pierre Louis
IFA (Intern. Fertilizer Industry Ass.), 28, rue Marbeuf, 75008 Paris, FRANCE
Fax: 33/1 42 25 24 08, Tel: (33-1) 42 25 2707, Telex: 640-481
Interests: To be kept informed of any development conserning phosphorite resources

Prof. Jacques Lucas
3 rue Touchemolin, 67000 Strasbourg, FRANCE, email:
Retired from: Université Louis Pasteur, Institut des Sciences de la Terre, 1, rue Blessig, 67084 Strasbourg Cedex, FRANCE
Fax: (33) 3 88 36 72 35, Tel: (33) 3 88 3 35 85 85, email:
Interests: Wide range of interests on phosphorites and their associated sediments

Dr. Tim Lyons
Univ. of Missouri, 101 Geological Sciences Building, Columbia, MO 65211, USA
Fax: 573-882-5458, Tel: 573-882-6328, email:


Prof. Fred Mackenzie
University of Hawaii, Department of Oceanography, Honolulu, HI 96822, USA
Fax: 808 956 7112, Tel: 808 956 6344, email:
Interests: Geochemistry of major sedimentary mineral groups and their authigenesis/diagenesis

Dr. Joe Macquaker
University of Manchester, Dept. of Earth Sciences, Oxford Road, Manchester M13 9PL, UNITED KINGDOM
Fax: 44/61 275 3947, Tel: 44/61 275 3811, email:
Interests: Sequence stratigraphy in mudstones and predicting the distribution of zones of early cementation

Dr. David Mallinson
Department of Marine Sciences, Department of Geology, East Carolina University, Greenville, NC  27858
Tel:  (252)328-1344, Fax: (252)328-4391, email:
Interests: Mechanisms of phosphogenesis; Paleoclimatic and paleoceanographic implications of phosphogenesis; Variations in the C and P cycles (and other elemental budgets) through time; Mechanisms of dolomitization.

Dr. Mitchell J. Malone
Ocean Drilling Program, 1000 Discovery Drive, College Station, TX 77845-9547, USA
Fax: 979 845 0876, Tel: 979 845 5218, email:
Interests: Carbonate diagenesis, pore-fluid geochemistry, experimental synthesis of carbonate minerals

Dr. Frank T. Manheim
George Mason University, Fairfax, Virginia, 22030, USA
Tel.: 703 631 0166, email:; home:
Interests: Distribution and origin of marine phosphorites (special interest - pellet formation); Distribution and origin of ferromanganese oxide phases in the ocean.  Chemical composition of estuarine and coastal marine sediments, including contamination in Lake Pontchartrain and southern Mississippi River.  Now Affiliate Professor in School of Public Policy, George Mason University. Principle topics: environmental, energy, and mineral resource policy.

Dr. Gail Marshall-Neill
19 Mussenden Grange, Coleraine, Co Londonberry, BT51 4US, UNITED KINGDOM,
Fax: +44 70849180, email:
Interests: Glauconite, phosphates, greensands, reservoir characterisation, spectral gamma ray analysis.

Dr. Agustín Martin-Algarra
Departamento de Estratigrafia y Paleontologia, Facultad de Ciencias, Universidad de Granada, 18071-Granada, SPAIN
Fax: 34-58-243203, Tel: 34-58-243337, email:
Interests: Authigenesis associated with pelagic stromatolites, microbially mediated authigenesis (of francolite, smectites, Fe-Mn oxyydroxides)

Dr. Ali Abdel Latif Mesaed
Geology Department, Fac. of Sci., Cairo University, Giza, Egypt.
Tel.: 00 02 7343743, email:
Interests: Marine sedimentary environments; authigenesis of marine minerals and related stratiform ironstones, glaucony facies, phosphorites; mineral chemistry of authigenic marine minerals, basin evolution in relation with volcanic activities; volcaniclastic sediments and related mineralizations.

Dr. Suresh Chandra Mathur
Jai NarinVyas, University of Jodhpur, Department of Geology, Jodhpur 342 001, INDIA
Fax: 91-0291-742 495, 74044, Tel: 0291-741947, email:
Interests: Phosphorite Geology, sea floor alteration of carbonates

Dr. Ryo Matsumoto
Department of Earth and Planetary Science, Science Building #5, School of Sciences, University of Tokyo, Hongo 7-3-1 Bunkyo-ku, Tokyo, JAPAN
Fax: 81-3-5841-4569, Tel: 81-3-5861-4522, email:
Interests: Bacterial mat and submarine lithification of carbonate sediments; mineralogy of authigenic carbonates in marine sediments

Dr. Aninda Mazumdar

Geologisch-Palaeontologisches Institut, Westfaelischen Wilhelms-Universitat Muenster, Corrensstrasse 24, 48149 Muenster, Germany
Fax: +49-(0)251-83-33933, Tel. +49-(0)251-83-36115, email:
Interests: Comparative studies of modern and ancient phosphorites; REE and stable isotope geochemistry of authigenic minerals; elemental partitioning at the sediment-water interface during early diagenesis

Prof. John McArthur
Department of Geological Sciences, University College London, Gower Street WC1E 6BT, London, UNITED KINGDOM
Fax: 0171 387 1612, Tel: 0171 387 7050 ext. 2376, email:
Interests: Phosphorites and strontium isotope stratigraphy

Dr. Guerry McClellan
University of Florida, Department of Geology, 1112 Turlington Hall, Gainesville FL 32611, USA
Fax: 352 392 9294, Tel: 352 392 3626, email:,
Interests: Authigenesis and weathering of phosphorites and related clay minerals including crystal chemistry and crystallography. Secondary interests in geochemistry of trace elements

Dr. David McConchie
Southern Cross University, Centre for Coastal Management, P.O. Box 5125, East Lismore, NSW, 2480, AUSTRALIA
Fax: 66-212669, Tel: 66-203632, email:
Interests: Trace metals in modern and ancient phosphorites: Geochemical effects of burrowing organisms; Glauconite, marine clays; Biogenic sulfides; authigenic marine iron minerals.

Prof. Judy McKenzie

ETH-Zentrum, Geologisches Institute, CH-8092, Zürich, SWITZERLAND
Interests: Wide range of interests in authigenesis and diagenesis

Prof. Gary McMurtry
University of Hawaii, Department of Oceanography, Honolulu, HI 96822, USA
Fax: 808 956 7112, Tel: 808 956 8558, email:
Interests: Ferromanganese crusts and nodules; Phosphorites; Authigenic smectites; Hydrothermal Fe, Mn oxides and silicates

Dr. Alain Meunier
UMR 6532 "Hydr'ASA"-bât Gon, 40 avenue du Recteur Pineau, 86022 Poitiers Cedex, France
Email: beaufort@hermes.campus.univ-poitiers.Fr
Interests: Clay minerals, smectite-illite transition

Dr. Maurice A. Meylan
University of Southern Mississippi, Department of Geology, USM Box 9247, Hattiesburg, MS 39406, USA
Fax: 601-266-5026, Tel: 601-266-4027, email:
Interests: Genesis, mineralogy and geochemistry of ferromanganese nodules and crusts; Alteration of submarine volcanic material, especially formation of phillipsite

Dr. Nicolaas Molenaar, Associate Professor in Sedimentology
Hydrocarbon Resources Research Group, Institute of Environment & Resources (E&R DTU), Technical University of Denmark (DTU), Building 115, 2800 Kgs. Lyngby, Denmark DENMARK
Fax: +45 45932850, Tel (direct): +45 45252164, Tel: +45 45251600, email:
Interests: Early diagenesis: carbonate authigenesis (early marine cementation, hardgrounds, nodules), silica, clay minerals.  Also siliciclastic (and carbonate) deposits, their sedimentary and petrophysical properties, diagenetic processes and effects on reservoir properties and quality.

Ms. M. Ann Molineux
University of Texas at Austin, Department of Geological Sciences, Austin, Texas 78712, USA
Tel: 512-471-5763, email:
Interests: Late Pennsylvanian phosphorite 'nodules' in Texas, element characteristics, formation history. Use as environmental indicators when bored/encrusted. Source of P? Do they represent near-shore or slope/basin settings? Stable isotopes, CO2 , crystallinity history

Dr. John Morse
Texas A&M University, Oceanography Department, College Station, TX 77843-3149, USA
Fax: 409 845 9631, Tel: 409 845 9620, email:
Interests: Diagenesis of carbonate minerals, iron sulfide minerals

Dr. Robert J.G. Mortimer
School of Earth Sciences, University of Leeds, Leeds LS2 9JT, UNITED KINGDOM
Fax: 0113 233 5213, Tel: 0113 233 5259, email:
Interests: Sedimentary geochemistry of intertidal mud flats and saltmarshes; Biogeochemical zones and the role of microorganisms in early diagenesis of marine/estuarine sediments; Polyacrylamide gel probe technology for pore water studies; Siderites

Dr. Peter S. Mozley
Department of Earth and Environmental Sciences
New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801, USA
Fax: 505 835 6436, Tel: 505 835 5311, email:, web:
Interests: Siderite and other carbonate elemental and isotopic geochemistry; concretions

Jean-Marie Mudry
Skyguide, Rue du vieux college Vaud, Switzerland
Tel: +41223614878, email:, web:
Interests: interaction between mineral and bacteria products.

Dr. Maria Mutti
Universität Potsdam Institut für Geowissenschaften, Postfach 60 15 53, 14415 Potsdam Germany
Fax: +49-331 977 5060, Tel: +49-331 977 52 30, email:, html:
Interests: Sedimentary systems and climate change, sedimentology and stratigraphy of carbonate and mixed carbonate-siliciclastic systems, chemostratigraphy, petrography and diagenesis of carbonates.  Currents projects include:  Maltese Islands, Marion Plateau (ODP Leg 194), Paleogene Carbonate Systems, Miocene Carbonates in Sardinia


Dr. Thomas H. Naehr
Texas A&M University - Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78411-5869, USA
Fax: +1 361 825-2025, Tel: +1 361-825-2470, email:
Interests: Authigenic mineral formation in near-surface sediments. Authigenic carbonates in hydrocarbon seep environments. Diagenetic processes in gas hydrate-bearing sediments. Formation of authigenic silicate minerals (opal-CT, zeolites).

Dr. B. Nagender Nath
National Institute of Oceanography, Geological Oceanography Division, Dona Paula, Goa-403 004, INDIA
Fax: 0091-832-2450609, Tel: 0091-832-20402, email: or
Currently: Visiting Researcher (International Guest Professor) , PML for Geochemistry and Cosmochemistry, ISEI, Okayama Univesity at Misasa, Misasa, Tottori-ken, 682-0193, Japan. Tel: 81-858-43-3828; Fax: 81-858-43-2184
Interests: Geochemistry (especially REEs) of authigenic minerals such as ferromanganese oxides, smectites, zeolites, phosphorites, etc.

Dr. Yaacov Nathan
Geological Survey of Israel, 30 Malkhei Israel St., Jerusalem 95501, ISRAEL
Fax: 972/2 5380688, Tel: 972/2 5314225, email:
Interests: Phosphorites, clay minerals, synthesis of apatite

Dr. Thomas Neumann
Institut für Petrographie und Geochemie, Universität Karlsruhe, Kaiserstr. 12, D-76128 Karlsruhe, GERMANY
Fax: 49-721-697328, Tel: 49-721-608 4279, email:
Interests: Aquatic geochemistry, hydrothermalism, Mn-concretions, rhodochrosite


Dr. Geoffrey W. O'Brien
Australian Geological Survey Organization
GPO Box 378, Canberra, ACT 2601, AUSTRALIA
Fax: 61-6-2499980, Tel: 61-6-2499342, email:
Interests: Phosphorites, diagenesis, carbon cycling, glauconite, Uranium-series

Dr. Shigenori Ogihara
Geological Institute, University of Toyko, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113, JAPAN 
Fax: +33-3-5841-4569, Tel: +33-3-5841-4524, email:
Interests:  Bacterial role of phosphorite formation; Biological markers (organic compounds) in authigenic minerals

Mr. Abu Murri Omar
Jordan Phosphate Mines Company , P.O. Box 30, Amman, JORDAN
Fax: 682290, Tel: 607141
Interests: Non-metallics

Prof. Salvador Ordóñez
Universidad de Alicante, Depr. Ciencias de la Tierra y del Medio Ambiente, Ap. 99, 03080 Alicante, SPAIN
Fax: 34 6 5903727, Tel: 34 6 5903723
Interests: Manganese minerrals; Ocean mineral resources

Prof. Federico Ortí
Departament de Geoquímica, Petrologia i Prospecció Geologica, Zona Universitat de Pedralbes, 08701 Barcelona, SPAIN
Fax: 34/93/402.13.40, Tel: 34/93/402.14.08, email:
Interests: Phosphorites, ironstones, and evaporites


Dr. Gérard Panczer
Université Claude Bernard Lyon I, Lab. de Physico-Chimie des Materiaux Luminescents, 69622 Villeurbanne Cedex, FRANCE
Fax: 33 72431130, Tel: 33 72431606, email:
Interests: REE bearing hydroxyapatite and fluorapatite; luminescent properties; heavy ion adsorption properties of HAP; time resolved luminescence; microRaman

Dr. Judith T. Parrish
Department of Geological Sciences, University of Idaho, PO Box 443022, Moscow, Idaho, 83844-3022, USA
Tel: 208-8856192, Fax: 208-885-5724, email:
Interests: Authigenic minerals and paleoclimatology

Dr. Jinnappa N. Pattan
National Institute of Oceanography, Dona Paula, Goa 403 004, INDIA
Fax: 91 (0) 832-223340/229102, Tel: 91(0) 832-221322/22653 ext. 360, email:
Interests: Distribution, abundance and mode of incorporation of major, trace and rare earth elements in ferromanganese oxide deposits and deep sea sediments. Presently working on the composition and source of ash layers in the Central Indian Ocean

Joern Peckmann
University of Bremen. Post Box 330 440, Germany
Tel: 0049-421-21865740, fax: 0049-421-21865715, email:
web site:
Interests: microbially-mediated mineral formation, chemosynthesis-based ecosystems.

Daniel Petrash
Department of Earth & Atmospheric Sciences 1-26 Earth Sciences Building 2-04E. University of Alberta Edmonton, Alberta, Canada T6G 2E3
Interests: Dolomite origin, modern and ancient, biomineralization processes.

Ray M. Petrun
P.O. Box 816, Soda Springs, ID 83276, USA
Fax: 208-574-6014; Tel: 208-547-4300 ext. 341; email:
Interests: Phosphorite origin(s), phosphorite diagenesis, Phosphoria Formation

Dr. David Piper
U.S. Geological Survey, MS 902, 345 Middlefield Road, Menlo Park, CA 94025, USA
Fax: 415 329 5110, Tel: 415 329 5187, email:
Interests: Genesis of phosphorites and related rocks, e.g. black shales, diatomites. Weathering of silica enriched rocks.

Dr. Thomas Pletsch
Ore Deposit Research, Federal Institute for Geosciences and Mineral Resources (BGR), Postfach 503113, 30631 Hannover, Germany
Fax: +49-511-643 3664, Tel.: +49-511-643 2828, email:
Interests: authigenic formation of industrial minerals (fluorite, barite, opal, dolomite) and commercially interesting metal enrichments.

Dr. Fotini Pomoni-Papaioannou
Inst. of Geology & Mineral Exploration, 70 Messoghion St., Athens 11527, GREECE
Fax: 301 7752211, Tel: 301 7700171
Interests: Phosphorites; Microfacies analysis of carbonates, diagenesis; Evaporites; Dolomites; Calcretes, Silcretes

Dr. Simon Poulton
University of Leeds, Department of Earth Sciences, Leeds LS2 9JT, UNITED KINGDOM
Fax: 0113 233 5259, Tel: 0113 233 5213, email:

Rajesh Kumar Prajapati
School of Environmental Bology, Awadhesh Pratap Singh University Rewa, India
Tel: 9755039331, email:
Interests: Environmental pollution monitoring and management, EIA, wildlife, remote sensing and GIS

Dr. Liliane Prévôt-Lucas

3 rue Touchemolin, 67000 Strasbourg, FRANCE, email:
Retired from: Centre de Géochimie de la Surface, CNRS, 1, rue Blessig, 67084 Strasbourg Cedex, FRANCE
Fax: (33) 3 88 36 72 35, Tel: (33) 3 88 3 35 85 40, email:
Interests: Phosphorites and associated sediments

Dr. Peir K. Pufahl
Department of Geology, Acadia University, Wolfville, Nova Scotia, B4P 2R6, CANADA
Fax: 902 585 1816, Tel.:  902 585 1858, e-mail:
Interests: biogenic sedimentary systems, chemical sedimentology, sequence stratigraphy, authigenesis


Mr. Fadjar N. Rachmanto
Bandung Institute of Tecnology, Jl.Cijagra 1c no 3, Bandung Indonesia
Tel.: (022)7316188, email:
Interests: Hydrogeology and petroleum

Dr. V. Purnachandra Rao

National Institute of Oceanography, Geological Oceanography Division, Donapaula, GOA-403 004, INDIA
Fax: 91-(0) 832-223340 or 91-(0) 832-221360, email:
Interests: Phosphorites, authigenic clays

Prof. Robert Raiswell
Leeds University, Dept. of Earth Sciences, Leeds LS2 9JT, UNITED KINGDOM
Fax: 01132 335 259, Tel: 01132 335 227, email:
Interests: Iron and sulfur diagenesis and sulfate reduction; Organic matter in sediments; Pyrite formation and fossil pyritization; Hydrogen sulfide formation and reduction

Dr. S. Rajan, Project Director (CLCS)
National Center for Antarctic and Ocean Research, Dept. of Ocean Development, Headland Sada, Vasco-da-Gama, Goa 403 804, INDIA
Tel.: 91-832 - 252-0878 (W); 91-832-252-0862; Fax: 91-832-252-0877, email: or
Interests: Phosphorites, Siderites, organic-rich settings of diagenesis and authigenic precipitation; paleoproductivity; stable isotopes; organic geochemistry; CSGCMS.

Dr. Chigurapati Madhudana Rao
National Institute of Oceanography, Geological Oceanography Division, Dona Paula Goa 403 004, INDIA
Fax: 91-(0)832-223340 or 221360, Tel: 91-(0)832-226253, email:
Interests: Authigenic mineral formation in marine sediments with special reference to phosphorites; Geochemistry and minerlogy of phosphorites; Roles of organic matter in sediment diagenesis

Mohamed A. Rashed
Geology Department, Faculty of Sciences, Alexandria University, Alexandria, EGYPT
Fax: (203) 4836618, Tel: (203) 4835578
Interests: Geotechnical properties of sediments; Glauconites

Dr. Birger Rasmussen
University of Western Australia, Department of Geology and Geophysics, Nedlands, 6907, Perth, AUSTRALIA
Fax: 61 9 380 1037, Tel: 61 9 380 2666, email:
Interests: Phosphate authigenesis; Paleogeochemistry; REE geochemistry

Dr. Stanley Riggs, Research Professor
East Carolina University, Department of Geology, Greenville, NC 27858, USA
Fax: 252 328 4391, Tel: 252-328-6015 (office) or 252-752-4245 (home), email:
Interests: Origin of phosphorites. glauconite; sea level change; sequence stratigraphy; Sr isotopes, origin and evolution of the Pleistocene and Holocene of the North Carolina coastal system (inner shelf to riverine environments)

Dr. Eleanora (Norrie) I. Robbins
U.S. Geological Survey, 956 National Center, Reston, VA 22092, USA
Fax: 703 648 6419, Tel: 703 648 6527, email:
Interests: Fecal pellets through time: Origin of metazoans; Zooplankton/phytoplankton interactions; Microbial precipitation of metals (Fe, Mn, Cu, Al); Fecal pellet metal cycles

Dr. Ganpat S. Roonwal
Department of Geology, University of Delhi, Delhi-110007, INDIA
Fax: 0091 (11) 6886427, Tel: 0091(11)6462529
Interests: Manganese nodules, marine minerals, marine sediments, and volcanogenic massive sulphides

Dr. Laura Rosell
Departament de Geoquímica, Petrologia i Prospecció Geologica, Zona Universitaria de Pedralbes, 08071 Barcelona, SPAIN
Fax: 34/93/402.13.40, Tel: 34/93/402.14.08, email:
Interests: Phosphorites, ironstones, and evaporites

Dr. Alastair Ruffell
Department of Geology, School of Geosciences, The Queen's University of Belfast, Belfast, Northern Ireland, BT7 1NN, UNITED KINGDOM
Fax: 44 (O) 1232 321280, Tel: 44 (0) 1232 273407, email:
Interests: Firmgrounds, glauconite, phosphorites, sequence stratigraphy

Dr. Kathleen Ruttenberg
University of Hawaii, Dept. of Oceanography, Honolulu, HI 96822, USA
Interests: Authigenic phosphate and iron minerals


Mr. Rushdi M. Sadaqah
Jordan Phosphate Mines Company, P.O.Box 30, Amman, JORDAN
Fax: 962/682290, Tel: 962/607141
Interests: Geology, mining, sedimentology and geochemistry of phosphorites; Paleogeography of phosphorite bearing rocks, in particular the Tethys ocean

Mr. Philippe Saget
IFRMER - DRO/GM, BP 70, 29280 Plouzane Cedex, FRANCE
Fax:, Tel:, email:
Interests: Polymetallic nodules and cobaltiferous crusts (exploration-exploitation-environment-economy-law of the sea...); offshore heavy minerals and phorphorites

Prof. Maria Lidia Sanchez
Sadi Carnot 1582 - (5800) Rio Curato, Cordoba, ARGENTINA
Tel: 058-640741
Interests: Authigenic minerals of Devonian marine siliciclastic facies

Dr. Antonio Sáchez-Navas
Departamentode Mineralogia Y Petrologia, Facultad de Ciencias, Campus Fuentenueva. 18071, Granada, SPAIN
Fax: 3458243368, Tel.: 24335, email:
Interests: Authigenic clays associated with phosphorite minerals; Mechanisms of phosphogenesis

Dr. Roberto A. Scasso
Dpto. de Ciencias Geológicas, University of Buenos Aires, Ciudad Universitaria Pab. II, 1428 Buenos Aires, ARGENTINA
Fax: 54-1-781-8213, Tel: 54-1-781-8213, email:
Interests: Marine phosphorites; Glauconite

Prof. Dr. Manfred Schidlowski
Max-Planck-Institute for Chemistry, (Otto-Hahn-Institute), Postfach 3060, D-55020 Mainz, GERMANY
Fax: +49-6131-305388, Tel: +49-6131-305256, email:
Interests: Phosphogenesis and attendant processes; Coupling/interaction of global P and C cycles

Dr. Jeffrey D. Schuffert
Japan Marine Science Center, iSAS Office, 2-15 Natsushima-cho, Yokosuka 237-0061, Japan
Fax: 81 468 67 9305, Tel: 81 468 67 9303, email:
Interests: Phosphorites and associated mineral deposits

Dr. Tobias Schwennicke
Universidad Autonoma de Baja California Sur, Depto. de Geologia, Apdo. Postal 19-B, 23080 La Paz, MEXICO
Fax: 52-112-12477, Tel: 52-112-11140, email:
Interests: Phosphorites, especially shallow to very shallow occurrences, petrography and sedimentology, phosphate and phosphorites from Baja California Sur

Kadry N. Sediek
Geology Department, Faculty of Science, Alexandria University, Alexandria, EGYPT
Fax: 203-483-6618, Tel: 203-483-5578
Interests: Petrography, mineralogy and diagenesis of carbonates. Siliclastic sediments. Glauconites.

Prof. Dr. Afat Serjani

Instituti i Studimeve dhe Projektimeve te Gjelogjise, Blloku "Vasil Shanto", Tirana, ALBANIA
Fax: (+355 4) 2 265 97; Tel.: (+355 4) 3 654 34, email:
Interests: Phosphorites, dolomites, glauconites, iron-manganese-phosphate formations

Dr. Mohamed Shaaban
Alexandria University, Geology Department, Faculty of Science, Alexandria, EGYPT
Fax: (203) 4836618, Tel: (203) 4918142, email:
Interests: Dolomitization (geochemistry and modeling); Geochemistry of calcite cements; Geochemistry of phosphorites

Ms. Shalini
Center of Advanced Study in Geology, Panjab University, H.No. 125, Shivalik Enclave, Chandigarh, INDIA
Fax: 0172-561543, Tel: 0172-554504
Interests: Phosphorite and carbonate microfacies and depositional model of Krol Belt, Himachal Himalaya

Prof. Graham Shields
Geologisch-Paläontologisches Institut und Museum der Westfälischen Wilhelms-Universität Münster Lehrstuhl für Historische und Regionale Geologie Corrensstraße 24, D-48149 Münster, GERMANY
Tel: +49 (0)251 8333937, Fax: +49 (0)251 8333933, email: webpage:
Interests: Sr, C, O and S isotopes in seawater, chemostratigraphy, rare earth element and sulphur isotope systematics of marine phosphorites

Dr. Emil Shkolnik
Geological Institute of the Far East Russian Academy of Science, Prospekt 100-letiya Vladivostoka, 159, 690022 Vladivostok, RUSSIA
Fax: 8 (423-2)-228750, Telex: 940 168 34 SOVA G (through Britain code)
Tel: 8 423-2-317-559, email:
Interests: New biogenetical models for phosphorites origin and its significance for the study of stratified ore deposits

Dr. Jane Schoonmaker
University of Hawaii, Department of Oceanography, Honolulu, HI 96822, USA
Fax: 808 956 7112, Tel: 808 956 6827, email:
Interests: Broad interests in low temperature sedimentary diagenesis

Prof. William J. Showers
North Carolina State University, Dept. of Marine, Earth and Atmospheric Science, Box 8208, Raleigh, NC 27695-8208, USA
Fax: 919 515 7802, Tel: 919 515 7143, email:
Interests: Oxygen isotopes of phosphorites

Prof. Toni Simo
Dept. Geology and Geophysics, Univ. Wisconsin,1215 W. Dayton St.,Madison, WI 53706
Fax: (608) 262-0693, Tel.: (608) 262-5987, email:

Dr. Mahaveer S.Sisodia

JNV University, Department of Geology, Jodhpur 342005, INDIA
Fax: 0091 291 46580, Tel: 0091 291 41947
Interests: Phosphorites; Clays; Low temperature sedimentary rocks

Dr. Vassiliki G. Skourtsis-Coroneou
Inst. of Geology & Mineral Exploration, 70, Messoghion Str., Athens 11527, GREECE
Fax: 01-7752211, Tel: 30/7777481
Interests: Stratigraphy, Micropaleontology, Paleoenvironment, Paleogeography

Dr. Caroline P. Slomp
Dept. Geochemistry, Utrecht University, Budapestlaan 4, Utrecht, THE NETHERLANDS
Tel.: +31 30 2535514, Fax: +31 30 2535302, email:,
Interests: formation of authigenic minerals, phosphogenesis, global nutrient cycling, modeling

Dr. Glen T. Snyder

Earth Science Department, MS126, Rice University, P.O. Box 1892, Houston, TX 77251-1892, USA
Fax: +1 713 348 5214, Tel.: +17133485130, email:

Dr. David Soudry
Geological Survey of Israel, 30 Malkhe Yisrael St., Jerusalem 95501, ISRAEL
Fax: 972/2 380688, Tel: 972/2 314244, email:
Interests: Stromatolites; Microbial control in mineral precipitation; Geochemistry of apatites; Phosphogenesis

Christoph Spotl
University of Innsbruck, Department of Geology, Innrain 52, 6020 Innsbruck, AUSTRIA
Fax: 43-512-507-2419, Tel: 43-512-507-5593, email:
Interests: Carbonate, feldspar and clay mineral diagenesis, evaporites

Mr. Nat Stephens

Department of Geology, University of California, Davis, CA, USA
Interests: The formation of phosphorites

Dr. Rodney Stevens

Earth Sciences Centre CNRS, Department of Geology, S-413 81 Gothenburg, SWEDEN
Fax: 46-31-7732849, Tel: 46-31-7732807, email:
Interests: Laminated sapropels from the Baltic Sea (Landsort Deep) where there are abundant precipitates of rhodocrosite, hexagonal MnS and various FeS phases

Dr. Peter Stille
C.N.R.S., Centre de Geochemie de la Surface, 1 rue Blessig, 67084 Strasbourg Cedex, FRANCE
Fax: (33) 3 88 36 72 35, Tel: (33) 3 88 35 85 76, email:
Paleoceanography, Sr-Nd, Sr-isotope stratigraphy, paleoclimatology, phosphogenesis

Prof. D. Stüben
Institut für Petrographie und Geochemie, Universität Karlsruhe, Kaiserstr. 12, D-76128 Karlsruhe, GERMANY
Fax: 49-721-697328, Tel: 49-721-6083322, email:
Interests: Geochemistry of Co-rich Mn crusts; Geochemistry of submarine hydrothermal minerals and sediments

Dr.Anne Sturz
University of San Diego, Marine Sciences, 5998 Alcala Park, San Diego, CA 92110-2492, USA
Fax: 619 461 2644, Tel: 619 260 4096, email:
Interests: Mineralization processes at mid ocean ridges; thermally enhanced diagenesis

Dr. Vaidyanatha Subramanian

Jawaharlal Nehru University, School of Environmental Sciences, New Delhi 110 067, INDIA
Fax: 91/11 686 58 86, Tel: 91/11 667676, ext.203,204, email:

Dr. Maruthadu Sudhakar, Scientist E-I
Geological Oceanography Division, National Institute of Oceanography, Dona Paula, Goa - 403 004, INDIA
Fax: 91 832 223340/1360, Tel: 91 832 22226253 Ext. 322, email:
Interests: Marine manganese nodules; Smectites; Zeolites; Authigenic mineral formation from volcanogenic material; Presently working area: Central Indian Basin

Prof. Dawn Y. Sumner
Department of Geology, University of California, Davis, CA, USA
Tel: 916-752-0350, email:
Interests: Chemical and microbial processes influencing carbonate precipitation, and the implications of the morphology of marine cements for the chemistry of ancient oceans


Dr. Ryuji Tada
University of Tokyo, Dept. of Earth and Planetary Sciences, 7-3-1 Hongo, Tokyo 113-0033, JAPAN
Fax: 81 3 3815 9490, Tel: 81 3 58414523, email:
Interests: Diagenesis of phosphorus and iron in Japan Sea and California Margin

Dr. Federica Tamburini
Geologisches Institute, ETH-Zentrum, Sonneggsatrsse 5, CH-8092, Zürich, SWITZERLAND
Fax: +41 1 632 10 80, Tel: +41 1 632 3694, email:
Interests: Phosphorus cycle, early diagenesis processes involving P in marine sediments, paleoclimate, continental marine linkages

Dr. Kevin G. Taylor
Manchester Metropolitan University, Department of Environmental and Geographical Sciences, Chester Street, Manchester M1 5GD, UNITED KINGDOM
Fax: 0161-2476318, Tel: 0161-2471569, email:
Interests: Early diagenesis of iron, manganese and phosphorus, distribution of Fe, Mn, P minerals in shelf sediments: relationships to sea level, climate, marine productivity; microbiological interactions with Fe, Mn and P.

Prof. Vinod Chandra Tewari
Wadia Institute of Himalayan Geology,
33, General Mahadeo Singh Road, Dehra Dun - 248 001 (U.P.), INDIA
Fax: 91/135 625212, Tel: 91/135 627387, email:
Interests: Phosphorites and phosphogenesis, glauconites

Dr. Todor Todorov
Geological Institute of Bulgarian Academy of Sciences, 24, George Bonchev Street, Sofia 1113, BULGARIA
Fax: 359/2 72 46 38; Tel: 359/2 713 22 71; email:
Interests: Mineralogy and geochemistry of authigenic minerals (pyrite, glauconite, siderite, phosphorites, etc.); Environmental geology problems connected with some of the authigenic minerals (ecogeology, ecogeochemistry)

Dr. Tommaso Tosiani
Instituto de Ciencias de la Tierra, Aptdo. 47509 Los Chaguaramos 1041-A, Caracas, Venezuela
Fax: 58-212-6051152, Tel.: 58-212-6051021, email:
Interests: Interaction of dissolved and suspended load of rivers when discharge in salt water.

Dr. Jörg Trappe
University of Bonn, Geological Institute, Nussallee 8, D-53115 Bonn, GERMANY
Fax: +49 228 739037, Tel: +49 228 739333, email:
Interests: Phosphorite deposystems and environmental control; pathways of resources development; Phosphorites and sequence stratigraphy; Permian/Triassic phosphate resources; Phosphorite microfacies, sedimentology; Controls on resource placement, region/global.

Prof. Nicolas Tribovillard
Université Lille 1, Sciences de la Terre, bâtiment SN5, F - 59655 Villeneuve d'Ascq cedex, France.
Fax: +33 320 43 49 10, Tel.: +33 320 43 41 00 (tel), email:
Interests: Sedimentology of organic matter, organic matter early diagenesis, inorganic geochemistry (redox-proxies), pyrite, phosphates.

Prof. Jean Trichet
Université d'Orléans, Géologie de la Matière Organique, BP 6759, 45067 Orleans Cedex 2, FRANCE
Fax: 33 38 41 73 08, Tel: 33 38 41 73 08, email:
Interests: Organic matter in authigenic processes: biogeochemistry, organic geochemistry, organic petrology; Polynesian Atolls; Main interest: Organo-mineral processes

Dr. Shashikant Tripathi
Department of Geology, Mahatma Gandi Gramodaya University, Chitrakoot, Distt. Satna (M.P.), PIN CODE - 485 331, INDIA
Tel: 9107672-65316
Interests:Genesis of phosphorite; Diagenetic/authigenic minerals associated with carbonate rocks

Dr. Sunlil Kumar Trivedi
Noar Engineering College, 13, University Teachers Flats, Jodhpur - 342001, Rajasthian, INDIA
Tel: 41947

Dr. Clive Trueman
Dept. Earth Sciences, University of Bristol, Wills Memorial Building, Queens Road, Bristol BS8 1RJ, U.K.
Fax: 44 (0) 117 925 3385, Tel.: 44 (0) 117 954 5414, email:
Interests: As a geochemically-minded palaeontologist, my main interests are: diagenesis of bone, and REE and O isotope systematics of bone diagenesis and bacterially mediated phosphate deposition.


Prof. Philippe Van Cappellen
Department of Geochemistry, Faculty of Earth Sciences, Utrecht University, P.O. Box 80021, 3508 TA Utrecht, The Netherlands
Tel: +31 30 253.6220 , Fax: +31 30 253.5302, email:
Interests: Mechanisms and kinetics of formation of authigenic minerals; Authigenic minerals as environmental and paleoenvironmental indicators; Authigenesis and ocean mass balances

Prof. Em. Franklyn Van Houten
168 Fitzrandolph Road, Princeton, NJ 08540, USA
Tel: 609 924 1532
Interests: Oolithic ironstones, phosporites

Dr. Crisógono (Cris) Vasconcelos
Geologisches Institut - ETH Zentrum 8092, Zürich, SWITZERLAND
Fax: 01/6321080, Tel: 01/6323673, email: or
Interests: Role of microbes in the precipitation of dolomite. Studies of some specific '"extremeophiles" that play an important role in the formation of authigenic minerals in the deep ocean

Dr. B. Velde
Lab Géologie ENS, 24 rue Lhomard, 75231 Paris, France
Fax: 33 01 44322000, Tel: 33 01 44 322268, email: or
Interests: Phosphate-iron oolite genesis; Clay minerals, smectite-illite transition

Dr. Denys Von der Haar
University of Hawaii, Department of Oceanography, Honolulu, Hawaii 96822, USA
Tel: 808-956-6836, email:
Interests: Ferromanganese deposits, carbonate fluorapatite, isotopic compositions

Dr. Ulrich von Rad
Bundesanstalt für Geowissenschaften und Rhstoffe, Postfach 510153, 30631 Hannover, GERMANY
fax: 49-511-643-2785, email:
Interests: Phosphorites (modern); authigenic carbonates (cold seeps)

Stephen Walsh
Southern Cross University, Australia, PO Box 90 Dover, Tasmania 7117
Tel.: 612 0362983393, email:
Interests: trace elements in phosphorites, bioaccumulation in seabird food chains

Professor Zhongcheng Wang

Institute of Geology, Chinese Academy of Sciences, P.O. Box 9825, Beijing 100029, PEOPLES REPUBLIC OF CHINA
Fax: 86-10-4919140, Tel: (010) 62027766, Ext. 355, email:
Interests: Genesis of phosphatic concretions in black shale series associated with biointermediate and biolimiting elements

Mr. Somsak Wathanaprida
Department of Mineral Resources, Marine Mineral Resources Section,Rama VI Rd., Ratchatewee, Bangkok 10400
Fax: (66-2)202-3870, Tel: (66-2)202-3872, email:
Interests: Marine Phosphorites formation and resources, Sedimentology, Mineralogy, Marine Geology.

Mr. Xiyuan Wen
University of Hawaii, Department of Oceanography, Honolulu, HI 96822, USA
Fax: 808 956 7112, Tel: 808 956 5292, email:
Interests: Carbonate fluorapatite formation; Fe-Mn minerals; Interaction of solids and solutions; Early diagenesis; Elemental associations

Dr. Adam D. Woods
Department of Geology, California State University at Fullerton, P.O. Box 6850, Fullerton, CA 92834-6850
Tel: (714)278-2921, email:
Interests: Early diagenesis and authigenic/diagenic minerals, especially glauconite, early carbonate cements and siderite

Dr. David T. Wright

University of Oxford, Department of Earth Sciences, Parks Road Oxford OX1 3PR, UNITED KINGDOM
Fax: 44-01865-272072, Tel: 44-01865-274580, email:
Interests: Origin of dolomite in ancient and modern environments; Kinetic controls on marine authigenic calcium carbonate precipitation

Dr. Chaodong Wu
Department of Geology, Peking University Beijing 100871, P.R. CHINA
Fax: 86-10-64919140, Tel: 86-10-62027766 ext. 323, email:
Interests: Marine humic compounds, pelagic sediments, black shales, phosphorites, Ni-Mo associations, sequence stratigraphy


Prof. Mr. Chen Yancheng
Geological Institute for Chemical Minerals Product, Ministry of Industry, Zhuo Zhou City 072754 Hebei, P.R. CHINA
Fax: 86 0312 3632219, Tel: 86/86 0312 362186, Telex: 2066 (Zhuo Zhuo City)
Interests: Marine authigenic minerals; Quaternary global change and paleoclimate; Stable isotopes; Phosphorite and sedimentological palaeogeography; Potash mineral research

Prof. Slavtcho N. Yanev
Geological Institite of the Bulgarian Academy of Sciences, "Acad. Georgi Boutchev" Str., Block 24, 1113 Sofia, BULGARIA
Fax: 3592 72 4638, Tel: 3592 713 22 80
Interests: Paleogeography of authigenic complex carbonate minerals; Siderites and manganese-iron; Boundary of early authigenic/diagenetic/epigenic processes; Relationships between marine, lagoonal and continental siderites, sulfate minerals, etc.

Dr. Keddy Yemane
University of Pennsylvania, Geology Department, 240 South 33ed St., Philadelphia, Pennsylvania 19104-6316, USA
Fax: 215-898-0964, Tel: 215-898-6907, email:
Interests: Marine authigenesis

Dr. Wyss W.-S. Yim
The University of Hong Kong, Department of Earth Sciences, Pokfulam Road, Hong Kong, China
Fax: 852-2517 6912, Tel.: 852-2859 2829, email:
Interests: Authigeniuc minerals and sea level variations on shelves of the Quaternary


Prof. Yuri N. Zanin
Institute of Petroleum Geology and Geophysics
Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk 90, RUSSIA
Fax: (3832) 35 26 92, Tel: (3832) 35 13 53, email:
Interests: Authigenesis of phosphorite and black shale formations; Mineralogy and geochemistry of phosphorites and black shales

Professor Jingquan Zhu
Institute of Geology, Chinese Academy of Sciences, P.O. Box 9825, Beijing 100029, P.R. CHINA
Fax: 86-10-64919140, Tel: 86-10-62027766 ext. 327
Interests: Carbonates, dolomitization, iron deposits, evaporites, sequence stratigraphy, submarine cementation of coral reefs

Dr. A.M. (Fred) Ziegler
University of Chicago, Dept. of Geophysical Sciences, Chicago, IL 60637, USA
Fax: 312-702-9505, Tel.: (773) 702-8146, email:
Interests: World paleogeography, distribution of phosphorite, glauconite, chamosite, and limonite for intervals of the Mesozoic and Cenozoic and the late Permian

Dr. Jirí Zítt
Institute of Geology, Academy of Sciences of the Czech Republic, Rozvojová 269, 162 00 Praha 6, CZECH REPUBLIC
Fax: 02-24311578, Tel: 02-24311421, email:
Interests: Invertebrate coprolites, sedimentary phosphates, microbialites, palaeoenvironment (main interest: Cretaceous Echinoderms)


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