 | | Journal (article/letter/editorial) | | Origin of Platinum-Bearing Placers in the Aluchin Horst, Russian Far East STANISLAV S. GORNOSTAYEV,â ...109017, Russia Abstract The Quaternary goldâplatinum-group mineral (PGM) placers of the Aluchin horst, western...western Chukotka, Russian Far East, contain PGM (mostly Pt-Fe alloys) typical of those associated with...rocks. They form the primary source of PGM. The PGM placer nuggets vary considerably in size (0.1â9 mm), shape...degree of abrasion, indicating a long history of placer-forming processes. Some of the nuggets are covered |  | | Journal (article/letter/editorial) | | sorosite from the Baimka AuâPGE placer deposit, western Chukotka, northeastern Russia. It occurs as (1)...diorite â syenite â monzonite complex in the placer area could be a potential primary source for the sorosite-bearing...mechanisms of substitution, goldâPGE placer deposit, Baimka, Chukotka, Russia. SOMMAIRE Nous prĂ©sentons les...groupe du platine de type placer de Baimka, partie occidentale de Chukotka, dans le nord-est de la Russie...associĂ©e au massif de gabbro â diorite â syĂ©nite â monzonite de Yegdegkychsky, dans la rĂ©gion du placer, pourrait |  | | Journal (article/letter/editorial) | | 1687-1710 (2005) PLATINUM-GROUP MINERALS FROM FIVE PLACER DEPOSITS IN BRITISH COLUMBIA, CANADA ANDREI Y....suite of gold- and platinum-group-element (PGE) placer deposits in British Columbia have been analyzed...analyzed using the electron-microprobe (EMP). The PGM placer grains (n = 70, 0.1â1.5 mm in size) principally...Pt and poor in Fe, observed at the boundary of placer PtâFe alloy grains, provide evidence for a removal...affinities, compositions and associations of the placer PGM examined appear consistent with two types of |  | | Journal (issue) | | border. For detailed information on the mines and district,I suggest Howard (1979),and for a recent summary...of the many species at this contact-metamorphic deposit. She also collected specimens of the same species...valuable to one who studies the paragenesis of a deposit. Some collect indiscriminately, which is fine when...1987). References Howard, J. M, 1979, Antimony district of Southwest Arkansas: Arkansas Geol. Comm., lrrfo...collecting microminerals in the Arkansas antimony district Rocks & Minerals,71:134-137. November 1998 ----- |  | Barkov, A. Y., Martin, R. F., Poirier, G., Yakovlev, Y. N. (2000) THE TAIMYRITE-TATYANAITE SERIES AND ZONING IN INTERMETALLIC COMPOUNDS OF Pt, Pd, Cu, AND Sn FROM NORIL'SK, SIBERIA, RUSSIA. The Canadian Mineralogist, 38 (3) 599-609 doi:10.2113/gscanmin.38.3.599 | Journal (article/letter/editorial) | | COMPOUNDS OF Pt, Pd, Cu, AND Sn FROM NORILâSK, SIBERIA, RUSSIA ANDREI Y. BARKOV§, ROBERT F. MARTIN AND GLENN POIRIER...Borehole, 17 Yubileynaya Street, 184415 Zapolyarny, Russia ABSTRACT We report on the existence of a newly...(BMS) ores in the Oktyabrâsky deposit, Norilâsk complex, Siberia, Russia. The taimyriteâtatyanaite is...zoning, sulfide ores, Oktyabrâsky deposit, Norilâsk complex, Siberia, Russia. SOMMAIRE Nous dĂ©crivons ici...INTRODUCTION The Norilâsk complex in northern Siberia, Russia, hosts a number of world-class ore deposits of |  | | Journal (issue) | | GAINES, R. V. (1970) The M octezuma tellurium deposit. Mineral ogical Record, 1, 40-43. MITCHELL, R...New Species, Twinning, Axinite (Brazil), Green River (WY) $10 v.8/#6 California Issue Benitoite, Gold...Kalahari rhodochrosite, Paterson (NJ), Brumado district (Brazil), Bosch Collection $10 v.9/#4 Elmwood...Axinites (CA). El Dragon mine (Bolivia), Silver District (AZ), Goldschmidt $10 v.21/#3 American Amethyst...I )h lrid v.28/#l Illinois-Kentucky Fluorite District! 80 p., full color $15 v.28/#2 Konder Platinum |
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