Podiform Chromite - Mineral Deposit Profiles, B.C. Geological Survey PODIFORM CHROMITEM03 by Chris Ash BC Geological Survey Ash, Chris (1996): Podiform Chromite, in Selected British Columbia Mineral Dep osit Profiles, Volume 2 - Metallic Deposits, Lefebure, D.V. and Hõy, T, Editors, British Columbia Ministry of Employment and Investment, Open File 1996-13, pages 109-112. IDENTIFICATION SYNONYMS: Alpine type; ophiolite hosted chromite. COMMODITIES (BYPRODUCTS ): Chromite (may contain platinum group elements Os, Ir and Ru). EXAMPLES (British Columbia (MINFILE #) - Canada/International ): Castle Mountain Nickel (082ESE091) and Scottie Creek (092INW001); Guleman ore field (Turkey); Kalimash - Kukes-Tropoje district, Bulquize and Todo Manco - Bater- Martanesh district (Mirdita ophiolite, Albania); Tiébaghi ophiolite and Massif du Sud (New Caledonia), Acoje and Masinloc-Coto (Zambales range/ophiolite, Luzon, Phillipines); Batamshinsk, Stepninsk, Tagashaisai and Main SE ore fields (Kempirsai massif, Southern Urals, Russia); Xeraivado and Skoumtsa mines (Vourinos ophiolite, Greece); Semail ophiolite (Oman); Luobusa, Donqiao, Sartohay, Yushi, Solun, Wudu and Hegenshan deposits (China) all > 1.5 Mt. GEOLOGICAL CHARA CTERISTICS CAPSULE DESCRIPTION: Deposits of massive chromitite occur as pods, lenses or layers within ophiolitic ultramafic rocks. TECTONIC SETTING: Obducted fragments of oceanic, lower crustal and upper mantle ultramafic rocks within accreted oceanic terranes. DEPOSITIONAL ENVIRONMENT / GEOLOGICAL SETTING: Formed as a primary http://www.em.gov.bc.ca/mining/Geolsurv/MetallicMinerals/MineralDepositProfiles/PROFILES/M03.htm (1 of 4)11/2/2007 9:31:20 AM
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Podiform Chromite - Mineral Deposit Profiles, B.C. Geological Survey
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7/22/2019 Podiform Chromite - Mineral Deposit Profiles, B.C. Geological Survey
odiform Chromite - Mineral Deposit Profiles, B.C. Geological Survey
oberts, S. (1988): Ophiolitic Chromitite Formation: A Marginal Basin Phenomenon?;
conomic Geology , Volume 83, pages 1034-1036.
inger, D.A., Page, N.J. and Lipin, B.R. (1986): Grade and Tonnage Model of Major
odiform Chromite; in Mineral Deposit Models, Cox, D.P. and Singer, D.A., Editors, U.
. Geological Survey , Bulletin 1693, pages 38-44.
inger, D.A. and Page, N.J. (1986): Grade and Tonnage Model of Minor Podiformhromite; in Mineral Deposit Models, Cox, D.P. and Singer, D.A., Editors, U.S.
eological Survey , Bulletin 1693, pages 34-38.
towe, C.W. (1987): Evolution of Chromium Ore Fields; Van Nostrund Reinhold Co.,
ew York, 340 pages.
hayer, T.P. (1964): Principal Features and Origin of Podiform Chromite Deposits,
nd Some Observations on the Guleman-Soridag District, Turkey; Economic Geology ,