Link to Symposium and Field Trip Photos
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Platinum-Group Element Geochemistry in Podiform Chromitites and Associated
Peridotites of the Precambrian Ophiolite, Eastern Desert, Egypt
A. Hassan Ahmed1 and Shoji Arai2
1Central Metallurgical Research and Development Institute, Helwan, Cairo, Egypt
2Department of Earth Science, Kanazawa University, Japan
e-mail: ahmh2@yahoo.com
Silicate-Chromite Type PGE Mineralization in the Hanumalapur Complex,
Karnataka State, India
Tuomo T. Alapieti1*, Tadasore C. Devaraju2 and Risto. J. Kaukonen1
1Department of Geosciences, P.O.Box 3000, FIN-90014 University of Oulu, Finland, 2Department of Studies in Geology,
Karnatak University, Dharwad-580 003, Karnataka, India
e-mail: tuomo.alapieti@oulu.fi
New Discoveries of Platinum and Palladium in the Central Urals of Russia
W. B. Anderson and M. P. Martineau
Eurasia Mining PLC. 14-16 Regent Street. London SW1Y-4PH
e-mail: anderson@eurasia.e-burg.ru
The Role of Alkaline Fluids in the Origin of Chromium-Platinum Mineralization in
Ural-Alaskan Type Complexes: Evidence from Silicate Inclusions in Chromite
Elena Anikina
Institute of Geology and Geochemistry, Ural Branch, Russian Academy of Sciences (Russia)
e-mail: anikina@igg.uran.ru
Geology, Petrology and PGE-Cu-Ni Mineralization of the NeoArchean
Entwine Lake Intrusion, an Intermediate to Mafic Igneous Intrusion
J.P. Arnold1, R.S. James1 and G. Beakhouse2
1Department of Earth Sciences and Mineral Exploration Research Centre,
Laurentian University, Ontario, Canada. P3E 2R9
2Ontario Geological Survey, MNDM, Willet Green Miller Centre,
Ramsay Lake Rd, Sudbury, Ontario, Canada, P3E 6B5
e-mail: jasonarnold@hotmail.com
Magmatic and Hydrothermal Platinum-Group Element
Mineralization in the Baula Area, Orissa, India
Thierry Augé1, Laurent Bailly1, Alain Cocherie1, Antonin Genna1, Catherine Guerrot1,
Catherine Lerouge1, Murari M. Mukherjee2,3 and Rabindra N. Patra2
1BRGM, B.P. 6009, 45060 Orléans cedex 2, France
2Geological Survey of India, Unit VIII, Nayapalle, Bhubaneswar 751012, Orissa, India
3Present address: Geological Survey of India, A.M.S.E. Wing, Dayanand Sagar College Road,
Bangalore 560078, Karnataka, India
e-mail: t.auge@brgm.fr
Platinum-Group Elements in the Upper Zone of the Rustenburg Layered Suite of the
Bushveld Complex: Preliminary Results from the Bellevue Borehole
Sarah-Jane Barnes1 and Wolfgang D. Maier2
1Sciences de la Terre, Universite du Quebec, Chicoutimi, Canada, G7H 2B1
2 Centre for Research on Magmatic Ore Deposits, Department of Earth Sciences,
University of Pretoria, Pretoria 0002, South Africa
email: sjbarnes@uqac.uquebec.ca, wdmaier@scientia.up.ac.za
Ruthenium Recovery in Chromitites by NiS-fire Assay
L. Paul Bédard1 and Sarah-Jane Barnes2
Sciences de la Terre, Université du Québec à Chicoutimi, Chicoutimi (Québec) G7H 2B1 Canada
e-mail: 1pbedard@uqac.ca, 2sjbarnes@uqac.ca
Platinum-Group Minerals in the Alaskan Type Mafic-Ultramafic
Intrusions of the Yubdo Area, Western Ethiopia
Kebede H. Belete1, Aberra Mogessie2 and John F.W. Bowles3
Golden Prospect Mining Co. Ethiopia, P.O.Box 57100, Addis Ababa, Ethiopia
2Institute of Mineralogy and Petrology, University of Graz, Universitatsplatz 2, A-8010 Graz, Austria
3Mineral Science Ltd., 109 Asheridge Road, Chesham, England HP5 2PZ
e-mail: gpm@telecom.net.et
The Distribution of Au, Ag, Pt and Pd in the Fe-Ni-Cu Sulfide Deposits at McCreedy
West Mine on the North Range of the Sudbury Igneous Complex
A. E. Beswick
Department of Earth Sciences, Mineral Exploration Research Centre,
Laurentian University, Sudbury, Ontario, Canada
e-mail: tonybeswick@sympatico.ca
The Mineralogy and Chemistry of The Chromite Deposits of Southern
(Kızıldağ, Hatay and Islahiye, Antep) and Tauric Ophiolite Belt (Pozantı-Karsantı, Adana), Turkey
M. Zeki Billor1 and Fergus Gibb2
1 Visiting researcher, Department of Geoscience The University of Iowa Iowa City, IA 52242, USA
(Permanent address: Çukurova University, Department of Geology, 01330 Adana, Turkey)
2 Environmental and Geological Sciences, University of Sheffield, Sheffield, S3 7HF, UK.
e-mail: zbillor@mail.cu.edu.tr
PGE Fractionation Between Sulfide-Bearing Mantle and Basaltic Melt During
Partial Melting and Melt Segregation
C. Bockrath and C. Ballhaus
Institut für Mineralogie, Universität Münster, Corrensstrasse 24, 48149 Münster. Germany
e-mail: bockrat@nwz.uni-muenster.de, chrisb@nwz.uni-muenster.de
Stability of Laurite Under Controlled Oxygen and Sulfur Activities at
Magmatic Temperature – An Experimental Study
C. Bockrath, A. Holzheid and C. Ballhaus
Institut für Mineralogie, Universität Münster, Corrensstrasse 24, 48149 Münster (Germany)
Email: bockrat@nwz.uni-muenster.de
Compaction in the Bushveld Complex and the Nature of the
|Lower Zone-Critical Zone Transition
Sonja Boorman and Alan E. Boudreau
Division of Earth and Ocean Sciences, Nicholas School of the Environment, Duke University, Box 90227, Durham, NC 27708
e-mail: sli2@duke.edu
Main Metallogenical Features of the Bregu i Bibes Deposit,
Tropoja Ultramafic Massif, Albania
Bislim Boshnjaku and Hasan Kulici
Geological Research Institute, Blloku Vasil Shanto, Tirana, Albania
e -mail: hallaci@yahoo.com
Platinum-Bearing Ophiolites of Albania
Bislim Boshnjaku and Halil Hallaçi
Geological Research Institute Blloku “Vasil Shanto”, Tirana, Albania
e-mail : hallaçi@yahoo.com
The Stillwater and Bushveld Magmas Were Wet!
Alan E. Boudreau
Division of Earth and Ocean Sciences, Nicholas School of the Environment and Earth Sciences, Duke University, Box 90227, Durham NC 27708
e-mail: boudreau@duke.edu
Platinum-Group Minerals (PGM) in the Freetown Complex, Sierra Leone
John F.W. Bowles1, Hazel M. Prichard2 and Peter C.Fisher2
1Mineral Science Ltd., 109 Asheridge Road, Chesham, England HP5 2PZ
2Department of Earth Sciences, University of Cardiff, PO Box 914, Cardiff, Wales CF10 3YE
e-mail: john@mineralscience.demon.co.uk
PGM and Complex Ni-Fe-Cu-Co Arsenide-Sulfide Paragenesis Associated with
Fe-Ti-V Oxides of the Gulçari Magnetitite Pod, Rio Jacaré Sill, Bahia, Brazil
Reinaldo Santana Correia de Brito1, Ariplinio Antonio Nilson2 and Gilles Laflame 3
1CPRM-Geological Survey of Brazil - SUREG-RE- Recife - Pernambuco
2 Instituto de Geociências -Universidade de Brasilia - Brasília - Brazil
3CANMET-Mining and Mineral Sciences Laboratories -Ottowa-Ontario-Canada
e-mail: rscdebrito@bol.com.br, aanilson@unb.br , glaflamme@nrcan.gc.ca
Platinum-Group Element Geochemistry in Chromitite and Related Rocks of the Bracco Gabbro Complex (Ligurian Ophiolites, Italy)
Roberto Cabella1, Giorgio Garuti2, Massimo Oddone3 and Federica Zaccarini2
1Department for the study of the Territory and its Resources, University of Genoa, Italy
2Department of Earth Sciences, University of Modena, Italy,
3Department of General Chemistry, University of Pavia, Italy
e-mail: cabella@dipteris.unige.it
Comparison of PGE Trace Analyses of Pentlandite and Some Arsenides
and Sulfarsenides by EPMA and Micro-PIXE
L.J. Cabri1., K. Kojonen2, F. Gervilla3, T. Oberthür4, T. Weiser4, B. Johanson2, S.H. Sie5, J.L. Campbell6, W.J. Teesdale6 and J.H.G Laflamme7
1Consulting Mineralogist, Ottawa, Ontario (Canada)
2Geological Survey of Finland, Espoo (Finland)
3Instituto Andaluz de Ciencias de la Tierra (Universidad de Granada-CSIC), Granada. (Spain)
4BGR, Hanover (Germany)
5CSIRO, North Ryde, NSW (Australia)
6Guelph-Waterloo Physics Institute (University of Guelph), Guelph (Canada)
7CANMET, Mining and Mineral Sciences Laboratories, Ottawa (Canada)
e-mail: lcabri@sympatico.ca
Magma Mixing Models for Merensky-Style Mineralization -
The Fallacy of Binary Diagrams
R. Grant Cawthorn
Department of Geology, University of the Witwatersrand, PO Wits, 2050, South Africa
e-mail: 065rgc@cosmos.wits.ac.za
Origin of the Merensky Pegmatitic Pyroxenite, Bushveld Complex
R Grant Cawthorn and Kevin D. Boerst
Department of Geology, University of the Witwatersrand, PO Wits, 2050, South Africa.
e-mail: 065rgc@cosmos.wits.ac.za
Sulphide Genesis in the Insizwa Intrusion, South Africa: Geochemical Constraints
R.G. Cawthorn and F.J. Kruger
School of Geoscience, University of the Witwatersrand, PO Wits, 2050, South Africa
e-mail: 065rgc@cosmos.wits.ac.za
The Possibility of Survival of PGM Micro-Xenocrysts in Mantle Melts
Grant Cawthorn1 and Marian Tredoux2
1Dept. of Geology, University of the Witwatersrand, Private Bag 3 Wits, 2050
2Dept. of Geological Sciences, University of Cape Town, Rondebosch, South Africa
e-mail: mtd@geology.uct.ac.za
Some Preliminary Descriptive Aspects of Ballroom Mineralization at the Stillwater
Palladium-Platinum Mine, Stillwater Mining Company, Nye, Montana
John F. Childs1, Jody R. Evans2, Keith Y. Wood2, Michael S. Koski2 and Jeffrey D. Evans2
1Stillwater Mining Company, East Boulder Mine, P.O. Box 1227, Big Timber, MT 59011-1227
2Stillwater Mining Company, Stillwater Mine, 2562 Nye Road, Nye, MT 59061
e-mail: jfchildsgeo@msn.com
Preliminary Observations on the Structural Setting of the J-M Reef, East Boulder Mine, Stillwater Mining Company, Sweet Grass County, Montana
John F. Childs, Stacy M. Saari, Henry C. Follman, Lee J. Swanson and Blane L. Mortensen
Stillwater Mining Company, East Boulder Mine, P.O. Box 1227, Big Timber, MT 59011-1227
e-mail: jfchildsgeo@msn.com
Petrographic Implications for the Picket Pin PGE Deposit,
Stillwater Complex, Montana
John T. Corkery
Department of Geology, University of Montana, Missoula, Montana, 59812
e-mail : diatreme@aol.com
The Reef Package Stratigraphy that Contains the J-M Platinum-Palladium Reef
of the Stillwater Complex, Montana
Samuel R. Corson1, John F. Childs1, James P. Dahy2, Douglas W. Keith1,
Michael S. Koski2 and Lynn W. LeRoy1
1Stillwater Mining Company, P.O. Box 1227, Big Timber, MT 59011-1227
2Stillwater Mining Company, 2562 Nye Road, Nye, MT 59061
e-mail: scorson@stillwatermining.com
Use of Vulcan Computer Software for Production Mining on J-M Reef
East Boulder Mine, Montana
Steve E. Cutler and Cherine M. Peterson
Stillwater Mining Company, P.O. Box 1227, Big Timber, MT 59011-1227
e-mail: scutler@stillwatermining.com
The Stratigraphic Relationship between the Reef Package and Adjacent Layers
of the Stillwater Complex, Montana
James P. Dahy1, Samuel R. Corson2, Ennis P. Geraghty1,
Michael S. Koski1, Radford B. Langston1 and Lynn W. LeRoy2
1Stillwater Mining Company, 2562 Nye Road, Nye, MT 59061
2Stillwater Mining Company, P.O. Box 1227, Big Timber, MT 59011-1227
e-mail: jdahy@stillwatermining.com
Concentrator Startup at Stillwater Mining Company’s East Boulder Mine
Barney Darnton, Jeff Sargent, Tom Van Norman and Scott Sims
Stillwater Mining Company, P.O. Box1227, Big Timber, MT 59011-1227
e-mail: bdarnton@stillwatermining.com
The PGE-Bearing Sulphide Ores of the Kingash Mafic-Ultramafic Differentiated
Intrusion and Ore Processing Characteristics, East Sajan, Russia
Alexander V. Dedeev1, Sergey M. Kozyrev1, Genady I. Schvedov2,
Iosif G. Reznikov2 and Nikolay A. Tretyakov2
1Institute Gipronickel JS, St. Petersburg, Russia
2Krasnoyarskgeology JS, Krasnoyarsk, Russia
e-mail: smk@nikel.spb.su
The KO-Zone: A New Occurrence of PGE-Cu-Ni Mineralization in
Fox River Sill, Northern Manitoba
G. Desharnais1, D.C. Peck2, R.F.J. Scoates3 and N.M. Halden1
1Department of Geological Sciences, University of Manitoba,
125 Dysart Road, Winnipeg, Manitoba R3T 2N2
2Falconbridge Limited, 21-C Murray Park Road, Winnipeg, Manitoba R3J 3S2
3Consultant, 509 Windermere Avenue, Ottawa, Ontario K2A 2W3
e-mail: guydesharnais@hotmail.com
Geochemistry of the Mafic and Felsic Norite: Implications for the
Crystallization History of the Sudbury Igneous Complex, Sudbury Ontario
G. R. Dessureau
Mineral Exploration Research Centre, Department of Earth Sciences,
Laurentian University, Sudbury, ON, P3E 6B5
e-mail: gdessureau@nickel.laurentian.ca
Reconnaissance Mineralogical and Geochemical Examination of the Late Archaean
Ultramafic Bodies in parts of Shimoga Schist Belt, Karnataka Craton, for Discovering Evidence of PGE Mineralization
Tadasore C. Devaraju1, Tuomo T. Alapieti2 and Risto J. Kaukonen2
1Department of Studies in Geology, Karnatak University, Dharwad – 580 003, India
2Institute of Geosciences, University of Oulu, P.O.Box 3000, FIN- 90014, Oulu, Finland
e-mail: devaraju@vsnl.com
Emplacement of Olivine-Orthopyroxene-Cr-Spinel- and Sulfide-Bearing
Magmas at Jinchuan, Western China
Sybrand A. de Waal1, Zhanghua Xu1, Hassina Mouri1 and Chusi Li2
1Department of Geology, University of Pretoria, Republic of South Africa;
2Department of Geological Sciences, Indiana University, USA
email: sadw@scientia.up.ac.za
PGE in the Modern Hydrotherms of Kudryavy Volcano (Kuril Islands)
Vadim Distler, Marina Yudovskaya, Ilya Chaplygin and Vladimir Znamensky
Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry (IGEM),
Russian Academy of Sciences
e-mail: maiya@igem.ru
Geochemistry of Strontium in Layered Intrusions:
Inconsistency with Predictions of Orthomagmatic Model
A.A.Efimov
Institute of Geology and Geochemistry, Ekaterinburg, Russia
e-mail: efimov@igg.uran.ru
Platiniferous Dunites in the Urals and in the Aldan Shield, Russia: Structural,
Mineralogical and Geochemical Evidence for a Similar Origin
A.A. Efimov1, R.M. Bedini2 and J.-L. Bodinier3
1Institute of Geology and Geochemistry, Ekaterinburg, Russia
2Laboratoire de Sciences de la Terre (UMR 5570 CNRS) , Ecole Nationale Supérieure, Lyon, France
3Laboratoire de Tectonophysique (UMR 5568 CNRS), ISTEEM, Université de Montpellier 2, France
e-mail: efimov@igg.uran.ru, rosa.maria.bedini@ens-lyon.fr, bodinier@dstu.univ-montp2.fr
PGM-Bearing Mineral Associations and the
Formation of Massive Cu-Ni Ores, Talnakh Ore Field
Tatiana L. Evstigneeva and Anna A.Filimonova†
Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry (IGEM),
Russian Academy of Sciences
e-mail: evst@igem.ru
The Layered Mafic-Ultramafic Complexes of the Tocantins State, Central Brazil:
Recently Discovered Large Proterozoic Intrusions with Favorable Potential to Host PGE Deposits
Cesar F. Ferreira Filho1, Humberto A. F. Lima1, Elton L. Dantas1, Walid El K. Daoud2 and Jade Salomão Neto2
1Instituto de Geociências, Universidade de Brasília, Brasília, DF, 70910-900, Brazil.
2Verena Minerals Corporation, SCS, Ed. Central, sala 207, Brasília, DF, 70304-900.
e-mail: cesarf@unb.br
Review of Brazilian Chromite Deposits Associated with Layered Complexes:
Constraints for the Postulated Genetic Models
Cesar F. Ferreira Filho1, Juliana C. Marques1, Carlos A. Spier2,
Sylvia M. Araújo1 and Filipe S. M. Porto1
1Instituto de Geociências, Universidade de Brasília, Brasília, DF, 70910-900.
2Minerações Brasileiras Reunidas, Av. de Ligação 3580, Nova Lima, MG, 34000-000
e-mail: cesarf@unb.br
Chromite-PGE mineralization in the Uktus Alaskan-Type
Complex (Central Urals, Russia)
Giorgio Garuti1, V. Evgeny Pushkarev2, Federica Zaccarini1, Roberto Cabella3 and Elena Anikina2
1Department of Earth Sciences, University of Modena, (Italy)
2Institute of Geology and Geochemistry, Ekaterinburg (Russia)
3Department for the study of the Territory and its Resources, University of Genoa, (Italy)
e-mail: garutig@unimo.it
Platinum-Group Element Mineralization in Chromitites of the Niquelandia
Layered Intrusion (Central Goias, Brazil): New Findings by the Use of the Hydroseparation (HS) Technology
Giorgio Garuti1, Nickolay S. Rudashevsky2, Vladimir N. Rudashevsky3 and Federica Zaccarini1
1Department of Earth Sciences, University of Modena (Italy)
2Joint-Stock Company Mekhanobr-Analyt, 21-Linia, 8a, St. Petersburg, 199026 (Russia)
3The Centre of New Technologies, RAS, Grazshdansky ave., 14, St. Petersburg, 195220 (Russia)
e-mail: garutig@unimo.it
The Model PGE Location in the Ultramafic Rocks of Kingash Deposit
(New Nickel–Platinum-Bearing Province of South Siberia)
O. Glazunov
Vinogradov Institute of Geochemistry SB RAS, Irkutsk, 664033, BOX 4019, Russia
e-mail: glazunov@igc.irk.ru
PGE Mineralization in the Paleoproterozoic Monchetundra Layered
Igneous Complex (The Baltic Shield, Russia)
Tatiana L. Grokhovskaya1, Gennady F. Bakaev2 and Maria I. Lapina1
1Institute of Ore Deposits Geology, Petrology, Mineralogy and Geochemistry, RAS, Moscow, Russia
2OAO «Central Kola Expedition», Monchegorsk, Russia
e-mail: tlg@igem.ru
The Syum-Keu Massif, the Polar Urals: First Data on PGE Mineralization and
Implications for Petrogenesis of Layered Complexes
Lyudmila I. Gurskaya
Ministry of Natural Resources of the Russian Federation
All Russian Research Geological Institute (VSEGEI), Russia
e-mail: vpalamar@americamail.com
Platinum Solubility in High Temperature, Hypersaline Fluids: Preliminary
Experimental Results and Application to Layered Intrusions
J.J. Hanley and J.E. Mungall
Department of Geology, University of Toronto, 22 Russell Street, Toronto, Ontario, M5S 3B1
e-mail: hanley@geology.utoronto.ca
Proterozoic Ultramafic-Mafic Intrusions of the Nipigon Plate, Beardmore, Ontario
T.R. Hart1, M. terMeer1, C. Jolette1 and B.M. Duggan2
1Precambrian Geoscience Section, Ontario Geological Survey
2Department of Geological Sciences, Queens University
e-mail: tom.hart@ndm.gov.on.ca
Platinum-Group Minerals and Other Tellurides from the Genina Gharbia
Cu-Ni-PGE Mineralization, South Eastern Desert, Egypt
Hasan M. Helmy
Geology Department, Faculty of Science, Minia University, Minia, Egypt
e-mail: hassan64_1999@yahoo.com
Geology of the Uppermost Outcrops of the Stillwater Complex
in the West Boulder River Valley, Montana
R.T. Helz and B.R. Lipin
U.S. Geological Survey, Reston, VA, 20192
e-mail: rhelz@usgs.gov
The Ngala Hill PGE-Skarn (Southern Malawi)
J. Henckel1 and A. A. Mitchell2
1Bastillion Limited, PO Box 154. Bedfordview 2008, South Africa
2Geology Dept. University of Durban-Westville, Durban, South Africa
e-mail: Hannes@bastillion.co.za, Mitchell@pixie.udw.ac.za
Extrusive and Intrusive Komatiites and Komatiitic Basalts, Peperites, and
Ore Genesis at the Dundonald Ni-Cu-(PGE) Deposit, Abitibi Greenstone Belt, Canada
M.G. Houlé1,2, P.C. Davis3, C.M. Lesher1,2 and N.T. Arndt4
1Mineral Exploration Research Centre, Laurentian University, Sudbury, Ontario, Canada
2Ottawa-Carleton Geoscience Centre, University of Ottawa, Ottawa, Ontario, Canada
3Hucamp Mines Limited, Timmins, Ontario, Canada
4Université Joseph-Fournier, Grenoble, France
email: mhoule@nickel.laurentian.ca
PGE Mineralization in the Archean Menarik Igneous Complex,
James Bay, Québec, Canada
M.G. Houlé 1,4, M.R. LaFlèche2, R. Hébert1, G. Beaudoin1 and J. Goutier3
1 Département de géologie et de génie géologique, Université Laval, Sainte-Foy, Québec, Canada
2 INRS- Eau Terre Environnement, Université du Québec, Sainte-Foy, Québec, Canada
3 Ministère des Ressources naturelles, Secteur des mines, Rouyn-Noranda, Québec, Canada
4Mineral Exploration Research Centre, Laurentian University, Sudbury, Ontario, Canada
e-mail: mhoule@nickel.laurentian.ca
Thermomechanical Erosion of Footwall Andesites by Komatiites at the
Alexo Ni-Cu-(PGE) Deposit, Abitibi Greenstone Belt, Canada
M.G. Houlé1,2, C.M. Lesher1,2, P.C. Davis3, R.A. Sproule1 and J.K. Montgomery3
1 Mineral Exploration Research Centre, Laurentian University, Sudbury, Canada,
2 Ottawa-Carleton Geoscience Centre, University of Ottawa, Ottawa, Canada
3 MPH Consulting Ltd., Timmins, Ontario, Canada
e-mail: mhoule@nickel.laurentian.ca
Multimillion-Ounce PGE Deposits of the Portimo Layered Igneous Complex, Finland
M. Iljina and E. Hanski
Geological Survey of Finland, P.O. Box 77, FIN-96101 Rovaniemi, Finland
e-mail: markku.iljina@gsf.fi, eero.hanski@gsf.fi
Geology and PGE Mineralisation along the Northern Contact of the River Valley
Intrusion, Sudbury Region, Ontario
L. Scott Jobin-Bevans
Pacific North West Capital Corp. & J-B Exploration & Development Inc.,
Suite 204, 210 Cedar Street, Sudbury, Ontario, Canada, P3B 1M6
e-mail: scott.jb@sympatico.ca
PGE Mineralogy of the Hanumalapur Complex, Karnataka, India
Risto J. Kaukonen1, Tuomo T. Alapieti1 and Tadasore C. Devaraju2
1University of Oulu, Department of Geosciences, Linnanmaa, FIN-90014, Oulu, Finland
2Karnatak University, Department of Studies in Geology, Dharwad-580003, Karnataka, India
e-mail: risto.kaukonen@oulu.fi
Exploration for Platinum-Group Element (PGE) Deposits in
Mafic and Ultramafic Rocks
Reid R. Keays1 and Peter C. Lightfoot2
1Mineral Exploration Research Center, Laurentian University, Sudbury, Ontario, Canada, P3E 2C6
2Inco Technical Services Limited, Highway 17 West, Copper Cliff, Ontario, Canada, P0M 1N0
e-mail: rkeays@nickel.laurentian.ca, lightfootpc@inco.com
The Types of PGE Mineralization of Kansk’s Greenstone
Belt (South Siberia, Russia)
V.N. Knyazev
1 - Krasnoyarsk’s Science Research Institute of Geology and Mineral Resources
St. Mira 55, Krasnoyarsk, 660049, Russia
e-mail: vnknyazev@kniigims.vsptus.ru
Chromite is the Key to PGE
F. Johan Kruger1, Judith A. Kinnaird1, Paul A.M. Nex2 and R. Grant Cawthorn2
1Economic Geology Research Institute – Hugh Allsopp Laboratory
2School of Geoscienses, University of the Witwatersrand, WITS 2050, South Africa.
Email: 106fjk@cosmos.wits.ac.za
The Henderson Reef in the Dennilton Dome and Mineral Range Areas
- A Homologue of the Platreef
F. Johan Kruger1 and Simon H. Behr2
1EGRI-HAL, University. of the Witwatersrand, WITS 2050, South Africa
223 Chaucer Ave, Bedfordview, South Africa
e-mail: 106fjk@cosmos.wits.ac.za
Modeling of Geotechnical Parameters for Mine Planning Purposes
at the Stillwater Pt - Pd Mine, Nye, Montana
Radford B. Langston
Stillwater Mining Company, 2562 Nye Road, Nye, Montana 59061
e-mail: rlangston@stillwatermining.com
Probabilistic Assessment of Sub-level Hanging-Wall Stability
at the Stillwater Mine Nye, Montana
Radford B Langston1 and Dr. Hendrik A.D. Kirsten2
1Stillwater Mining Company, Nye, Montana
2Steffen, Robertson, and Kirsten, Johannesburg, South Africa.
e-mail: rlangston@stillwatermining.com
Noril’sk- and Lower Talnakh-Type Intrusions are not Feeder Channels for the
Overlying Flood Basalts: Insights from Phase Equilibria Studies
Rais Latypov
Geological Institute, Kola Science Centre, Apatity, 184200, Russia
(Present address: Institute of Geosciences, P.O. Box 3000, FIN – 90014, University of Oulu, Finland.)
e-mail: Rais.Latypov@oulu.fi
Parental Magmas for all Plutonic Bodies Were and Must Have Been Wet!
Rais Latypov
Geological Institute, Kola Science Centre, Apatity, 184200, Russia (Present address: Institute of Geosciences, P.O. Box 3000, FIN – 90014, University of Oulu, Finland)
e-mail: Rais.Latypov@oulu.fi
The Origin of Basic-Ultrabasic Sills with S-, D-, and I-Shaped Compositional
Profiles by In Situ Crystallization of a Single Input of Phenocryst-Poor Parental Magma
Rais Latypov
Geological Institute, Kola Science Centre, Apatity, 184200, Russia (Present address: Institute of Geosciences, P.O. Box 3000, FIN – 90014, University of Oulu, Finland)
e-mail: Rais.Latypov@oulu.fi
Thermogravitational Fractionation as a Mechanism for the Formation of Basal
Compositional Reversals in Basic-Ultrabasic Lavas, Sills and Layered Intrusions
Rais Latypov
Geological Institute, Kola Science Centre, Apatity, 184200, Russia
(Institute of Geosciences, P.O. Box 3000, FIN – 90014, University of Oulu, Finland)
e-mail: Rais.Latypov@oulu.fi
Geometrical Construction of Liquidus Phase Relations in Tetrahedrons:
A Case Study of a Fo-Wo-An-Qtz System at Atmospheric Pressure
Rais Latypov1, Michail I. Dubrovskii1 and Tuomo T. Alapieti2
1 Geological Institute, Kola Science Centre, Apatity, 184200, Russia (Present address: Institute of Geosciences, P.O. Box 3000, FIN – 90014, University of Oulu, Finland)
2 Institute of Geosciences, University of Oulu, FIN-90014, Finland
e-mail: Rais.Latypov@oulu.fi
Energetic Magma Emplacement, Fluxing Fluid and Palladium Mineralization
at Lac des Iles, Ontario
M.J. (Moe) Lavigne, Douglas Kim and Jason H. Rickard
North American Palladium Ltd
e-mail: mlavigne@napalladium.com
Multielement and Isotopic Geochemistry of the J-M Reef,
Stillwater Intrusion, Montana
Paul J. Lechler1, Greg B. Arehart2 and Matt Knight3
1Nevada Bureau of Mines and Geology, University of Nevada, Reno, Nevada 89557 USA,
2Mackay School of Mines, University of Nevada, Reno, Nevada 89557 USA
3Stillwater Mining Company, Nye, Montana USA
e-mail: plechler@unr.edu
Compositional and Textural Features of Chromite from the LG6-MG4
Interval in the Western and Eastern Bushveld Complex
Robin D. Lee and Ben Harte
Department of Geology and Geophysics, University of Edinburgh
e-mail: Robin.Lee@glg.ed.ac.uk
Discrimination between Magmatic and Hydrothermal
Ni-Cu-PGE and PGE Mineralization
C. M. Lesher and R.R. Keays
Mineral Exploration Research Centre, Department of Earth Sciences, Laurentian University,
Sudbury, ON P3E 6B5, Canada
e-mail: lesher@sympatico.ca
Invasive Features of Mafic-Ultramafic Rocks at the Zone 3, Zone 2, and Katinniq
Ni-Cu-(PGE) Deposits, Raglan Formation, Cape Smith Belt, Nouveau-Québec
Martin Lévesque and C.M. Lesher
MERC, Department of Earth Sciences, Laurentian University, Sudbury, Ontario, P3E 6B5, Canada
e-mail: malev@sympatico.ca
Olivine and S Isotope Systematics of Ore-Bearing
Intrusions at Noril’sk, Siberia
C. Li1, E. M. Ripley1 and A. J. Naldrett2
1Department of Geological Sciences, Indiana University, Bloomington, IN 47401, USA
2Department of Geology, University of Toronto, Toronto, Ontario, M5S 3B1 Canada
e-mail: cli@indiana.edu
The Stillwater Complex, Montana: The Root of a Flood Basalt Province?
Bruce R. Lipin1 and Michael L. Zientek2
1U. S. G. S. Reston VA
2U. S. G. S., Spokane WA.
e-mail: blipin@usgs.gov
Mineralogy of Cu-Ni-PGE Ore and Sequence of Events in the Copper
Cliff South Mine, Sudbury, Ontario
Zsuzsanna Magyarosi, David H. Watkinson and Peter C. Jones
Department of Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, Canada K1S 5B6
e-mail: zmagyaro@ccs.carleton.ca
A Re-Evaluation of the Role of Crustal Contamination in the Formation of
Magmatic Sulfides in the Bushveld Complex
W.D. Maier1, S.-J. Barnes2 and C. Li3
1Centre for Research on Magmatic Ore Deposits (CERMOD), Dept. of Geology, University of Pretoria
2Sciences de la Terre, Universite du Chicoutimi, Chicoutimi G7H2B1, Canada
3Dept. of Geological Sciences, Indiana University, Bloomington, USA
e-mail: wdmaier@scientia.up.ac.za
Pt, Pd, Cu and Sulfur Contents of the Platreef on the Farm Townlands,
Northern Bushveld Complex
W.D. Maier
Centre for Research on Magmatic Ore Deposits (CERMOD), Dept. of Geology, University of Pretoria
e-mail: wdmaier@scientia.up.ac.za
First LA MC-ICP-MS Study of Ru-Os Sulfides from Podiform and Banded
Chromitites at Kraubath and Hochgrössen, Austria: Os Isotopic Evidence for Two Contrasting Sources
Kreshimir N. Malitch
Mineralogy and Petrology Group, Institute of Geological Sciences, University of Leoben,
Peter Tunner Str. 5, A-8700 Leoben, Austria,
e-mail: malitch@unileoben.ac.at
Os-Ir-Ru Alloys from the Kunar Ultramafic Complex, Northeastern Taimyr, Russia: Evidence for Residual Origin Inferred from Mineral Chemistry and Osmium Isotopes
Kreshimir N. Malitch
Mineralogy and Petrology Group, Institute of Geological Sciences, University of Leoben,
Peter Tunner Str. 5, A-8700 Leoben, Austria,
e-mail: malitch@unileoben.ac.at
Laurite and Osmium from the Guli Massif, Siberian Craton, Russia:
New Insights from Osmium Isotopes for the Origin of PGE-Mineralization in Ultramafic Complexes
Kreshimir N. Malitch1,2 and Inna Yu. Badanina2
1Institute of Geological Sciences, University of Leoben, Peter Tunner Str. 5, A-8700 Leoben, Austria
2NATI Research JSC, Otechestvennaya 3-3a, St.-Petersburg, 195030, Russia
e-mail: malitch@unileoben.ac.at, guli@online.ru
Diversity of PGM Assemblages at Kraubath: A Case Study of Mantle-Derived
Chromitites from the Eastern Alps, Austria
Kreshimir N. Malitch1,2 and Vladimir V. Knauf2
1Institute of Geological Sciences, University of Leoben,Peter Tunner Str. 5, A-8700 Leoben, Austria
2NATI Research JSC, Otechestvennaya 3-3a, St.-Petersburg, 195030, Russia
e-mail: malitch@unileoben.ac.at; natires@natires.com
A Semi-Quantitative Model for the Formation of
Great Dyke-Type Platinum Deposits
William P. Meurer1 and Alan E. Boudreau2
1Dept. of Geosciences, Univ. of Houston, 312 Sci. & Res. Bldg. 1, Houston, TX 77204-5007
2Div. Earth Sci., Nicholas School of the Env. and Earth Sci., Box 90227, Duke University, Durham, NC 27708
email: wpmeurer@mail.uh.edu
Stratiform PGE Mineralization in Tholeiitic Layered Intrusions of the Midcontinental rift, Northeastern Minnesota: Known Examples and Potential Targets
James D. Miller, Jr.
Minnesota Geological Survey, University of Minnesota, 2642 University Ave., St. Paul, MN, 55114, USA
e-mail: mille066@tc.umn.edu
Attributes of Skaergaard-Type PGE Reefs
James D. Miller, Jr.1 and Jens C. Ø. Andersen2
1Minnesota Geological Survey, c/o NRRI, University of Minnesota-Duluth, 5013 Miller Trunk Hwy.,
Duluth, MN, 55811 , USA
2Camborne School of Mines, University of Exeter, Redruth, Cornwall, TR15 3SE UK
e-mail: mille066@tc.umn.edu, andersen@csm.ex.ac.uk
Paleoproterozoic (2.5-2.4 Ga) Plume Magmatism in the North-Eastern
Baltic Shield and Origin of the PGE, Sulphide and Chromite Ore Deposit
F. Mitrofanov1, V. Smolkin1, T. Bayanova1, Yu. Neradovsky1, D. Ohnenstetter2*,
M. Ohnenstetter2 and J. Ludden2.
1Geological Institute of Kola Science Centre RAS (Russia)
2Centre de Recherches Petrographiques et Geochimiques CNRS (France)
e-mail: dohnen@crpg.cnrs-nancy.fr
On the Formation of Platinum Group Element–Rich Continental Flood Basalt
and the Platinova Reefs of the Skaergaard Intrusion
Peter Momme1,2, Christian Tegner1,2 and C. Kent Brooks2,3
1Geologisk Institut, University of Aarhus, DK-8000 Århus C, Denmark
2Danish Lithosphere Centre, Øster Voldgade 10, DK-1350 København K, Denmark
3Geologisk Institut, Københavns Universitet, Øster Voldgade 10, DK-1350
København K, Denmark
e-mail: christian.tegner@geo.au.dk
Characteristics of Cr-Spinel and Whole Rock Geochemistry of the
Nuasahi Igneous Complex, Orissa, India
Sisir K. Mondal1, Michael D. Glascock2 and Edward. M. Ripley1
1Department of Geological Sciences, Indiana University, Bloomington, Indiana 47405
2Research Reactor Center, University of Missouri, Columbia, Missouri 65211
e-mail: smondal@indiana.edu, ripley@indiana@edu, glascockm@missouri.edu
A Model for Co-Precipitation of Platinum-Group Minerals with Chromite from Silicate Melts
James Mungall
Dept of Geology, University of Toronto, 22 Russell St, Toronto ON, M5S 3B1
e-mail: mungall@geology.utoronto.ca
Correlation Between Metallic Oxides (Fe2O3, Cr2O3, NiO) Platinum and
Palladium in the Laterites from South-East Cameroon (Central Africa):
Perspectives of Platinoids Survey in Weathering Mantles
Paul-Désiré Ndjigui1, Dieudonné Bitom1, Paul Bilong1, Fabrice Colin2 and Hendratta Ntalla Ali1
1Department of Earth Sciences, Faculty of Science, P.o. Box 812 Yaounde-Cameroon.
2 CEREGE-IRD, P.O.Box 13 540 Aix-en-Provence, France.
email : pndjigui@uycdc.uninet.cm or lndjigui@yahoo.fr
Detrital Platinum-Group Minerals (PGM) in Rivers of the Bushveld Complex,
South Africa – A Reconnaissance Study
Thomas Oberthür, Frank Melcher, Lothar Gast, Christian Wöhrl and Jerzy Lodziak
Federal Institute for Geosciences and Natural Resources (BGR), Stilleweg 2, D-30655 Hannover, Germany
e-mail: thomas.oberthuer@bgr.de
Distribution of PGE and PGM in Oxidized Ores of the
Main Sulfide Zone of the Great Dyke, Zimbabwe
Thomas Oberthür, Frank Melcher, Thorolf W. Weiser and Lothar Gast
Federal Institute for Geosciences and Natural Resources (BGR), Stilleweg 2, D-30655 Hannover, Germany.
e-mail: thomas.oberthuer@bgr.de
Local Variations and Regional Trends in PGE Geochemistry and Mineralogy in the Main Sulfide Zone of the Great Dyke, Zimbabwe
Thomas Oberthür1, Thorolf W. Weiser1 and Kari Kojonen2
1Federal Institute for Geosciences and Natural Resources (BGR), Stilleweg 2, D-30655 Hannover, Germany.
2Geological Survey of Finland, Betonimiehenkuja 4, FIN-02150 Espoo, Finland
e-mail: thomas.oberthuer@bgr.de
Evaluation of PGE Potentiality of Layered Gabbros in the Samail Ophiolite, Oman:
Results of Geochemical Exploration and Petrological Examination
M. Ogasawara1, H.Al-Azri2, H. H. Al-Hashmi2, H. A. Qidwai2,M. Al-Araimi2 and K. Al-Toobi2
1Geological Survey of Japan/AIST, Tsukuba, Japan, 305-8567
2Directorate General of Minerals, MCI, Oman
e-mail: masa.ogasawara@aist.go.jp
PGE Abundance in Chromitites of the Northern Samail Ophiolite, Oman
M. Ogasawara1, M. Nakagawa2, H.Al-Azri3 and M. Al-Araimi3
1Geological Survey of Japan/AIST, Tsukuba, Japan, 305-8567
2Geological Survey of Japan/AIST, Sapporo, Japan, 060-0808
3Directorate General of Minerals, MCI, Oman
e-mail: masa.ogasawara@aist.go.jp
Phase Transformations and Genesis of Platinum-Group Minerals in
Various Types of Platinum-Bearing Deposits
A. V. Okrugin
Institute of Diamond and Precious Metals Geology, SB RAS, Yakutsk, Russia
e-mail: a.v.okrugin@diamond.ysn.ru
The Aguablanca Ni-Cu-PGE Ore Deposit, Spain:
A Case of Magmatic Sulfide Mineralization in Southern Europe
L. Ortega1, R. Lunar1, F. García-Palomero2, T. Moreno3 and H. M. Prichard3
1Dept. Cristalografía & Mineralogía, C.C. Geológicas, Universidad Complutense, 28040 Madrid, Spain
2Atlantic Copper S.A., Av. Francisco Montegro, s/n, 21001 Huelva, Spain
3Dept. Earth Sciences, University of Cardiff, Cardiff CF10 3YE, U.K.
e-mail: lortega@geo.ucm.es
Digital Drill Logs for the Duluth Complex
Richard L. Patelke
Natural Resources Research Institute, University of Minnesota Duluth,
5013 Miller Trunk Highway, Duluth, MN 55811-1442
e-mail: rpatelke@nrri.umn.edu
The Formation of Pt and Ir Minerals in Base Metal sulfides:
Effect of Sulfur Fugacity and Composition
Anna Peregoedova1, Sarah-Jane Barnes2 and Don Baker1
1Earth & Planetary Sciences, McGill University, Montréal, QC H3A 2A7, Canada.
2Sciences de la Terre, Université du Québec à Chicoutimi, Chicoutimi, QC G7H 2B1, Canada.
e-mail: aperegoe@eps.mcgill.ca, sjbarnes@uqac.uquebec.ca, donb@eps.mcgill.ca
Collectors of Pt, Pd and Rh in an S-poor Fe-Ni-Cu-sulfide system at 760°C:
Experimental Data and Application to PGE Deposits
Anna Peregoedova1 and Maryse Ohnenstetter2
1Institute of Mineralogy and Petrography, RAS Novosibirsk, Russia
2Centre de Recherches Pétrographiques et Géochimiques, CRPG, France
e-mail: aperegoe@eps.mcgill.ca
Variation in the Cu-Ni-PGE Mineralization in the South Kawishiwi Intrusion,
Duluth Complex, Northeastern Minnesota
Dean M. Peterson
Economic Geology Group, Natural Resources Research Institute, University of Minnesota, Duluth
email: dpeters1@nrri.umn.edu
Petrography and Geochemistry of Post-Magmatic Hydrothermal Alteration and
Mineralization in the J-M Reef, Stillwater Complex, Montana
Joseph S. Polovina1 and Donald M. Hudson2
11254 Wonder Ct., Gardnerville, Nevada 89410
21540 Van Petten Street, Reno, Nevada 89503
e-mail: jspolovina@aol.com, dmhudson@sierra.net
Variation of PGM in a Cross Section Through the Merensky Reef at Impala Mines
H. M. Prichard1, S.-J.Barnes2, W. D. Maier3 and P. C. Fisher1
1Department Earth Sciences, University of Cardiff, PO Box 914, Cardiff, CF10 3YE, UK
2Sciences de la Terre, Universite du Quebec, 555 boulevard de l'Universite, Chicoutimi, G7H 2B1 Canada3Department Earth Sciences, University of Pretoria, Pretoria, RSA
e-mail: Prichard@cardiff.ac.uk
Platinum-Group Element Mineralisation Within Two Mafic/Ultramafic Intrusions
of the British Palaeogene Igneous Province
Sarah J. Prout1, Jens C.Ø. Andersen1, Sarah-Jane Barnes2 and Matthew R. Power1
1Camborne School of Mines, University of Exeter, Redruth, Cornwall TR15 3SE UK
2Sciences de la Terre, Universite du Quebec, Chicoutimi, Canada, G7H 2B1
e.mail: S.J.Prout@csm.ex.ac.uk
Low Temperature Origin of the Ural-Alaskan Type Platinum Deposits:
Geological, Mineralogical and Geochemical Evidence
Evgeny Pushkarev and Elena Anikina
Institute of Geology and Geochemistry, Ural Branch, Russian Academy of Sciences (Russia)
e-mail: pushkarev@igg.uran.ru
Layered, PGE-Bearing Magma Chambers in a Single Pulse
A. Rice
School of Geology and Computer Science, University of Natal, South Africa
e-mail: A.Rice@ru.ac.za
Stable Isotopic Constraints on the Nature of Fluids that Affected Stratiform
PGE Mineralization in the Sonju Lake Intrusion, Northeastern Minnesota
Edward M. Ripley1, Young-Rok Park2, J.D. Miller, Jr.3, C. Li1, P. Shafer1 and J. Mariga1
1Indiana University, Department of Geological Sciences, Bloomington IN 47405
2Kangwon National University, Dept. of Earth Sciences, Hyojadong 192-1, Chuncheon 200-701, South Korea
3Minnesota Geol. Survey, c/o Natural Resources Research Institute, 5013 Miller Trunk Hwy, Duluth MN 55811
e-mail: ripley@indiana.edu
Platinum-Group Elements in Komatiites From the Komati Formation,
Barberton Greenstone Belt
F. Roelofse1, W.D. Maier1 and S.-J. Barnes2
1Centre for Research on Magmatic Ore Deposits, Dept. of Geology, University of Pretoria,
Pretoria 0002, South Africa
2Sciences de la Terre, Universite du Quebec, Chicoutimi G7H 2B1, Canada
e-mail: wdmaier@scientia.up.ac.za
The Merensky Reef at Winnaarshoek, Eastern Bushveld Complex:
Insights from a Wide Reef Facies
Roger Scoon1 and Andrew A. Mitchell2
1P. O. Box 2461, Rivonia 2128, South Africa
2University of Durban-Westville, Private Bag X54001, Durban, 4000, South Africa
e-mail: rnscoon@iafrica.com
The Mine Permitting Process in Minnesota
- Who, What, Where, and When
Mark J. Severson
Natural Resources Research Institute, University of Minnesota Duluth,
5013 Miller Trunk Highway, Duluth, MN 55811-1442
e-mail: mseverso@nrri.umn.edu
Sheba’s Ridge – An Unconventional Setting for Platreef, UG2 and
Merensky-Style PGE-BMS Deposits in the Bushveld Complex
M.R. Sharpe1, S.P. Crous1, S.B. Gain1, G.K. Chunnett2 and C. A. Lee3
1Cluff Platinum Management, PO Box 2913, Brooklyn Square Pretoria, 0075. South Africa.
2Geology Dept., Anglo American Platinum, PO Box 62179, Marshalltown 2107. South Africa
3Cluff Mining PLC, 29 St. James Place, London. UK.
Email: lee@sperrylite.com
Composition and Origin of Ir-Os-Ru-Pt Alloys from the Zolotaya River
Gold Placer, Southwestern Primorye, Russia
G.G. Shcheka1, A.A. Vrzhosek1 and B. Lehmann2
1Far East Geological Institute, Pr-t 100-letya 159, Vladivostok 690022, Russia
2 Institute of Mineralogy and Mineral Resources, Technical University, Adolph-Roemer-Str. 2a, 38678 Clausthal-Zellerfeld, Germany
e-mail: shcheka@email.com, lehmann@min.tu-clausthal.de
The Post-Magmatic Genesis of Sperrylite from some Gold Placers
in South Part of Krasnoyarsk Region (Russia)
G.I.Shvedov1, V.V. Nekos1 and A.M. Uimanov2
1Krasnoyarsk Mining-Geological Company. St.K.Marksa 62, Krasnoyarsk, 660049, Russia
2Mining Company "Tamsiz". St.Artelsky 6, Severo-Yeniseysk, 663280, Russia
e-mail: shgi@krasgeo.ru
Unnamed PGE Phases from Gold Placer Deposits of South Siberia, Russia
G.I. Shvedov1and V.N. Knyazev2
1Krasnoyarsk Mining-Geological Company. St.K.Marksa 62, Krasnoyarsk, 660049, Russia
2Krasnoyarsk’s Science Research Institute of Geology and Mineral Resources, St. Mira 55, Krasnoyarsk, 660049, Russia
e-mаil: shgi@krasgeo.ru, vnknyazev@kniigims.vsptus.ru
Pd and Rh Distribution in Fe-Ni Sulfide Melt by the
One-Dimensional Solidification Method
E.F. Sinyakova1, V. I. Kosyakov2, B. G. Nenashev1, M. Ohnenstetter3 and D. Ohnenstetter3
1Institute of Mineralogy and Petrography, RAS Novosibirsk, Russia
2Institute of Inorganic Chemistry, RAS Novosibirsk, Russia
3Centre de Recherches Pétrographiques et Géochimiques, CNRS France
e-mail: mohnen@crpg.cnrs-nancy.fr
Low-Sulfide Platinum Deposit in the Upper Endocontact Zone of the
Noril’sk-1 Pluton: Data from Detailed Geological Exploration
S. Sluzhenikin, V. Distler, D. Turovtsev and N.Krivolutskaya
Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry (IGEM), Russian Academy of Sciences
e-mail maiya@igem.ru
Normal Merensky Reef on Northam Platinum Mine, Zwartklip Facies,
Upper Critical Zone, Western Bushveld Complex
D. Smith1, I. J. Basson2 and D. L. Reid2
1Northam Platinum Mine, P.O. Box 441, Thabazimbi, 1380
2Department of Geological Sciences, University of Cape Town, P. B. Rondebosch, 7701
email: dsmith@norplats.co.za, ibasson@geology.uct.ac.za, dlr@geology.uct.ac.za
A Synopsis of Archean and Proterozoic Platinum Group Element Mineralization in the Thunder Bay District, Ontario
Mark C. Smyk1, John K. Mason1, Bernie R. Schnieders1 and Greg M. Stott2
1Ontario Geological Survey, Ministry of Northern Development and Mines, Suite B002, 435 James St.
South, Thunder Bay, ON P7E 6S7
2Ontario Geological Survey, Ministry of Northern Development and Mines, Willet Green Miller Centre,
933 Ramsey Lake Road, Sudbury, ON P3E 6B5 CANADA
e-mail: mark.smyk@ndm.gov.on.ca, john.mason@ndm.gov.on.ca,
bernie.schnieders@ndm.gov.on.ca, greg.stott@ndm.gov.on.ca
Origin of the Yangliuping Ni-Cu-(PGE) Sulfide Deposit
Within the Emeishan Large Igneous Province, SW China
Xie-Yan Song1, Mei-Fu Zhou1, Zhi-Min Cao2 and Cheng-Jiang Zhang 3
1Department of Earth Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong
2 College of Earth Sciences, Ocean University of Qingdao, Qingdao, 266003, P. R. China
3 Third Department, Chengdu University of Technology, Sichuan, 610059, P. R. China
e-mail: xsong@hkusua.hku.hk
Geochemistry, Petrogenesis, and Metallogenesis of Komatiites
in the Abitibi Greenstone Belt, Canada
R.A. Sproule1, C.M. Lesher1, M.G.Houlé1, R.R. Keays2, J. A. Ayer3 and P.C. Thurston1
1Mineral Exploration Research Centre (Laurentian University, Willet Green Miller Centre, Ramsey Lake Road, Sudbury,
Ontario, Canada, P3E 5B6)
2Department of Earth Sciences, VIEPS, Monash University, Clayton, VIC 3168 Australia
3Ontario Geological Survey (Willet Green Miller Centre, Ramsey Lake Road, Sudbury, Ontario, Canada, P3E 5B6)
e-mail: rsproule@nickel.laurentian.ca
Contrasting PGE-Cu-Ni Mineralization in the
Bird River Sill, SE Manitoba
P. Theyer
Manitoba Industry, Trade and Mines; Geological Survey, Winnipeg, Manitoba, Canada
e-mail: ptheyer@gov.mb.ca
Tectonic Controls on Mafic Magmatism in the Superior Province
P.C. Thurston
MERC, Laurentian University, Sudbury ON, Canada P3E 2C6
e-mail: pthurston@nickel.laurentian.ca
Platinum-Group Element Minerals in Lode and Placers Associated with
Galmoenan Complex (Ural-Alaska-type), Koryak-Kamchatka Region, Russia
Nadezhda D. Tolstykh1 and Eugeniy G. Sidorov2
1Institute of Geology SB RAS, 3,Prosp. Koptyuga, 630090, Novosibirsk, Russia
2Institute. of Volcanology FEB RAS, 9, Bl. Piipa, 683006, Petropavlovsk-Kamchatskiy, Russia
e-mail: tolst@uiggm.nsc.ru, kec@mail.iks.ru
PGE Concentrations Within Sulphide Mineralization Related to
Ophiolite Volcanic Sequence
Astrit Turku
Center of Scientific -Technical Information and Documentation,
Ruga Leke Dukagjini, NR 5, Tirana, Albania
e-mail: aturku@hotmail.com
Classification of Mafic–Ultramafic Intrusions in Ontario and
Implications for Platinum-Group Element Mineralization
C. Vaillancourt1, R.A. Sproule2, C.A. MacDonald1, C.M. Lesher2 andL.J. Hulbert2
1Ontario Geological Survey, Sudbury, Ontario, Canada
2Mineral Exploration Research Centre and Department of Earth Sciences,
Laurentian University, Sudbury, Ontario, Canada
3Geological Survey of Canada, Ottawa, Ontario, Canada
e-mail: christine.vaillancourt@ndm.gov.on.ca
Magmatic Stratiform Chrome-Bearing Complexes of the Central Uraline Belt:
Tectonics, Metamorphism, Platinum Mineralization
Yu. A. Volchenko and V.A. Koroteev
Institute of Geology and Geochemistry of UB RAS 620151 Ekaterinburg, per. Pochtovy, 7, Russia
e-mail: root@igg.e-burg.su
The Urals Platinum Polygon – New Data
Yu. A. Volchenko and V. A. Koroteev
Institute of Geology and Geochemistry of UB RAS 620151 Ekaterinburg, per. Pochtovy, 7, Russia
e-mail: root@igg.e-burg.su
Geochemistry and Sm-Nd Isotope Studies of a 2.45 Ga Dyke Swarm:
Hints at Parental Magma Composition and PGE Potential to Fennoscandian Layered Intrusions?
J. I. Vuollo1, H. Huhma2, V.Stepanov3 and G. Fedotov4
1Geological Survey of Finland, P.O. Box77, FIN-96101 Rovaniemi, Finland
2Geological Survey of Finland, P.O. Box 96, FIN-02151Espoo, Finland
3Geological Institute, Karelian Research Center, RAS, Petrozavodsk, Russia
4Geological Institute, Kola Science Centre, RAS, Apatity, Russia
e-mail: jouni.vuollo@gsf.fi
Type Variations in the Merensky Reef in the Western Bushveld Complex:
Critical Comparisons of the Geochemistry, Textures and Metal Distributions
Allan H. Wilson1 and Gordon K. Chunnett2
1School of Geological and Computer Sciences, University of Natal, Durban, 4041, South Africa
2Anglo Platinum, P.O. Box 62179. Marshalltown, 2107, South Africa
e-mails: wilsona@nu.ac.za
Rare Earth Element Geochemistry Orientation Survey of Plagioclase Cumulates
Below, Within, and Immediately Above the J-M Reef, Stillwater Mine, Nye, Montana
Diane Wolfgram
Geological Engineering Department, School of Mines & Engineering, Montana Tech, Butte, Montana 59701
e-mail: dwolfgram@mtech.edu
Some Thoughts on Ore Controls in the J-M Reef, Stillwater Complex, Montana
Diane Wolfgram
Geological Engineering Department, School of Mines & Engineering
Montana Tech of The University of Montana, Butte, MT 59701
e-mail: dwolfgram@mtech.edu
The Role of Complexation by Natural Organic Matter in Transporting
Pt and Pd in Surficial Environments
Scott A. Wood
Department of Geological Sciences, University of Idaho, Box 443022, Moscow, ID, 83844-3022, USA
e-mail: swood@iron.mines.uidaho.edu
PGM Associations in Copper-Rich Sulphide Ore of the Oktyabr Deposit,
Talnakh Deposit Group, Russia
Olga A. Yakovleva1, Sergey M. Kozyrev1 and Oleg I. Oleshkevich2
1Institute Gipronickel JS, St. Petersburg, Russia
2Mining and Metallurgical Company “Noril’sk Nickel” JS, Noril’sk, Russia
e-mail: smk@nikel.spb.su
Geochemistry of the Panzhihua Mafic Layered Intrusion (SW China):
Petrogenetic Implications for its Giant V-Ti-Magnetite Deposit
Ma Yuxiao1, Mei-Fu Zhou2, Cheng-Jiang Zhang1 and Xie-Yan Song2
1Third Department, Chengdu University of Technology, Chengdu, China
2Department of Earth Sciences, University of Hong Kong, Hong Kong, People's Republic of China
e-mail: mfzhou@hkucc.hku.hk
Platinum-Group Element Mineralogy and Geochemistry in Chromitites
of the Nurali Mafic-Ultramafic Complex (Southern Urals, Russia)
Federica Zaccarini1, V. Evgeny Pushkarev2, B. German Fershtater2, Roberto Cabella3 and Giorgio Garuti1
1Department of Earth Sciences, University of Modena, (Italy)
2Institute of Geology and Geochemistry, Ekaterinburg (Russia)
3Department for the study of the Territory and its Resources, University of Genoa, (Italy)
e-mail: fedezac@tsc4.com
The Genesis of the Jinchuan Cu-Ni-PGE Sulfide Deposit, NW China
Chengjiang Zhang1, Yunliang Wang2 and Guanghong Xie2
1Third Department, Chengdu University of Technology, Chengdu, 610059, P.R.China
2Guangzhou Institute of Geochemistry, Chinese Academy, Guanzhou, 510640, P.R. China
e-mail: xsong@hkusua.hku.hk
Distribution of Iridium in Hydrothermal Synthesized Sulphides
Fe, Cu, Zn, Pb Using Radioisotope 192Ir
Sergey M. Zhmodik1, Gennady Y. Shvedenkov2 and Nathalie V. Verkhovtseva3
1Institute of Geology, Novosibirsk, Koptyuga ave., 3; 630090
2Institute of Mineralogy and Petrography, Novosibirsk, Koptyuga ave., 3; 630090.
3Institute of Geology, Novosibirsk, Koptyuga ave., 3; 630090
e-mail: zhmodik@uiggm.nsc.ru
Tectonic Settings of Magmatic Sulfide Deposits in China
M.-F. Zhou1, X.-Y. Song1, R.R. Keays2 and C.M. Lesher2
1Department of Earth Sciences, University of Hong Kong, Hong Kong, China
2Mineral Exploration Research Centre, Department of Earth Sciences,
Laurentian University, Sudbury, Ontario, Canada P3E 6B5
e-mail: mfzhou@hkucc.hku.hk
Images courtesy of Johnson Matthey "Platinum 2000" and "Platinum 1998"