 | Oberthur, T., Weiser, T. W., Melcher, F., Gast, L., Wohrl, C. (2013) DETRITAL PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE GREAT DYKE, ZIMBABWE. The Canadian Mineralogist, 51 (2) 197-222 doi:10.3749/canmin.51.2.197 | Journal (article/letter/editorial) | | PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE GREAT DYKE, ZIMBABWE Thomas OBERTHÜR§, Thorolf W. WEISER, Frank MELCHER...alloy are common in the sediments, followed by sperrylite, cooperite, braggite, laurite, rare Pd-Sb-As...supergene redistribution of the ore elements. Sperrylite, cooperite/braggite, and laurite appear to be...grains, present in the samples from the Umtebekwe River in the Shurugwi area, possibly originate from the...Pt-Fe and Os-Ir-Ru alloys (very stable) → (2) sperrylite (stable) → (3) cooperite/braggite (variably |  | | Journal (article/letter/editorial) | | mineralogy of platinum-group elements at Hartley Platinum Mine, Zimbabwe Part 2: Supergene redistribution in...and is dispersed in the supergene environment. Sperrylite and cooperite/braggite are stable in the oxidized...assemblage of detrital PGM present in the Makwiro River close to the Hartley Platinum Mine indicates further mineralogical...mineralogical changes. Sperrylite largely remains stable whereas most cooperite/braggite grains have...Sulfide Zone Æ Placers Æ Great Dyke Æ Hartley Platinum Mine Æ Zimbabwe Editorial handling: O. Thalhammer |  | | Journal (article/letter/editorial) | | Bushveld Complex, South Africa, and Great Dyke, Zimbabwe Thomas Oberthür Bundesanstalt für Geowissenschaften...Complex of South Africa and the Great Dyke of Zimbabwe. Samples were obtained underground, from core...and Rh are hosted in pentlandite. Pt–Fe alloys, sperrylite, and most PGE-sulfides survive the weathering...REVIEW 2 of 27 further modification, whereas sperrylite largely remains a stable phase, and grains of...Bushveld Complex, South Africa; the Great Dyke, Zimbabwe; the Stillwater grains, and they are ofthe subordinate |  | | Journal (article/letter/editorial) | | observations on detrital PGM from the Makwiro River, Zimbabwe, have pointed to a low-temperature origin...platinum occurring as a coating on grains of sperrylite (Oberthür et al. 2003). In their opinion, grains...virtually Fe-free native platinum in the Waterberg district of South Africa (Wagner 1929, McDonald et al....precursor to the native platinum in the Waterberg district of South Africa (Wagner 1929, McDonald et al.... 1999a). As suggested for the Waterberg district, deoxygenation and dewatering at low temperatures could |  | | Journal (article/letter/editorial) | | described in the Somabula gravels of the Great Dyke in Zimbabwe, and detrital grains of Pt–Fe alloy are ubiquitous...ubiquitous in the alluvial sediments along the Makwiro river (Oberthür et al., 1998; Oberthür, 2002; Oberthür...sediments in the main channel of the river Pontyn River and Tambanio River, Borneo, exhibit inclusions, such...isoferroplatinum, Os–Ir–Ru alloys, laurite, and sperrylite occurring in placer deposits as well as in related...Urals, Russia SED, Egypt Bulqiza, Albania Durance river, France Fifield, Australia Alaskan-type Ophiolites |  | | Book | | and Gold in the Ophiolite-Related Placer of the River Bolshoy Khailyk, Western Sayans, Russia Reprinted...Bushveld Complex, South Africa, and Great Dyke, Zimbabwe Reprinted from: Minerals 2018, 8, 581, doi:10...PGM from China, Russia, South Africa, USA, and Zimbabwe are reported. In his contribution, Oberthür [3]...PGM and PGE–Au phases found in alluvium along the River Bolshoy Khailyk, in the western Sayans, Russia,...bushveld complex, South Africa, and Great Dyke, Zimbabwe. Minerals 2018, 8, 581. [CrossRef] Stepanov, S |  | | Report (issue) | | INSTITUTE OF MINING, METALLURGY AND PETROLEUM COPYRIGHT © 2002 CANADIAN INSTITUTE OF MINING, METALLURGY...Platinum-group element mineralization of the Great Dyke, Zimbabwe. In The Geology, Geochemistry, Mineralogy and...Elements. Edited by L.J. Cabri. Canadian Institute of Mining, Metallurgy and Petroleum, Special Volume 54, p...been known to contain PGE since the discovery of sperrylite in 1888 (Wells, 1889); however, new discoveries...These include the East Bull Lake, Agnew Lake, and River Valley intrusions, as well as the Nipissing Gabbro |
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