 | | Journal (article/letter/editorial) | | AND Pt–Fe ALLOYS FROM THE EVANDER GOLDFIELD, WITWATERSRAND BASIN, SOUTH AFRICA: DETRITAL ORIGIN INFERRED...Geology, University of Pretoria, Pretoria 0002, South Africa ABSTRACT The compositionally diverse platinum-group...(PGM) from the Evander Goldfield, in the eastern part of the Witwatersrand Basin, South Africa, have been...techniques. The characteristic feature of PGM from Evander is an extensive presence of Ru-rich alloys (i.e...isotopes, model 188Os age, Evander Goldfield, Witwatersrand, South Africa. 187Os/ SOMMAIRE Nous avons |  | | Journal (article/letter/editorial) | | Ru–Os–Ir–Pt–Fe System from the Eastern Witwatersrand (South Africa)1 I. Yu. Badanina* and K. N. Malitch Presented...is mainly due to (i) an intense application of local methods into practice of mineralogical investigations...derived from the Late Archaean placers of the Evander Goldfield located in the eastern extremity of the Witwatersrand...sudburyite (PdSb), polkanovite (Rh12As7) and cooperite (PtS) were also identified. Among the polycomponent...Chemical composition of Ru–Os–Ir alloys from the Evander Goldfield in coordinates Ru–Os–Ir(+Pt), at %. 1 and |  | Zhmodik, S.M., Nesterenko, G.V., Airiyants, E.V., Belyanin, D.K., Kolpakov, V.V., Podlipsky, M.Yu., Karmanov, N.S. (2016) Alluvial platinum-group minerals as indicators of primary PGE mineralization (placers of southern Siberia) Russian Geology and Geophysics, 57 (10) 1437-1464 doi:10.1016/j.rgg.2016.09.002 | Journal (article/letter/editorial) | | platinum-bearing placer deposits have been worked in South Siberia since they were first discovered in the...Zhmodik) primary sources of the placer PGM, based on local analysis of individual PGM grains. The study provides...exhibits a columnar (subgraphic) integrowth of cooperite and xingzhongite in the rim zone (Fig. 7d). This...present in variable proportions (Tables 4 and 5): cooperite, sperrylite, irarsite, cuprorhodsite, malanite...formation of cooperite and native gold-I (Fig. 9) and late formation of sperrylite. Cooperite replaces platinum |  | | Journal (article/letter/editorial) | | PGE sulfides [laurite, malanite, cuproiridsite, cooperite, and an unnamed base metal – (Ir,Pt) monosulfide]...platine (EGP) [laurite, malanite, cupro-iridsite, cooperite, et un monosulfure contenant métaux de base et... 1a). The stockwork clinopyroxenites contain cooperite and sperrylite as predominant PGM, plus subordinate...laurite, MLN: malanite, MNCH: moncheite, COOP: cooperite, DI: diopside. Numbers 6–11, 16, 23–25 denote...contains some darker, irregular spots and patches of cooperite (PtS, Table 4, anal. 26), PGE thiospinel (iridian |  | Malitch, Kreshimir N., Badanina, Inna Yu., Belousova, Elena A., Murzin, Valery V., Velivetskaya, Tatiana A. (2021) Origin of Ru-Os Sulfides from the Verkh-Neivinsk Ophiolite Massif (Middle Urals, Russia): Compositional and S-Os Isotope Evidence. Minerals, 11 (3) 329 doi:10.3390/min11030329 | Journal (article/letter/editorial) | | kashinite Ir2 S3 , cuprorhodsite CuIr2 S4 , cooperite PtS, Pt-Fe alloys, irarsite IrAsS, hollingworthite...similar findings for PGM from Witwatersrand, South Africa [42], Shetland, Scotland [35], and Hochgrossen...similar findings for PGM from Witwatersrand, South Africa [42], Shetland, Scotland [35], and Hochgrossen...the Vostochny Tagil (Middle Urals) and inNurali (South troduced during a subduction-related event orWith...similar findings for PGM from Witwatersrand, South Africa [42], Shetland, Scotland [35], and Hochgrossen |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Book | | recognition criteria of uranium mineralizations on a local (individual deposit) and regional scale (uranium...individual deposits or districts. (in brackets country, district, deposit reviewed): Adamek P. (Scandinavia), Adams...(general), Bernik J. (Yugoslavia), Brynard S.A. (South Africa, Namibia), Chenoweth W. (Colorado Plateau, USA)...Saucier A.E. (Grants Region, N.M., USA), Smith RB. (South Texas, USA), Tan H.B. (Canada), Thamm J. (Colorado...Intragranitic Vein Uranium Deposits: Limousin/La Crouzille District, France. . . . . . . . . . . . . . . . . . . |  | | Book | | Contact Reef and the Black Reef / 404 Geol. Soc. South Africa Trans. 58:218-222 (1955) 14-6 PRETORIUS, D....from Precambrian Rocks of the Witwatersrand, South Africa / 439 Precambrian Res. 1:199-212 (1974) Other...Pretorius, University of the Witwatersrand, South Africa; and N. A. Shilo, N. V. Petrovskaya, I. S. Rozhkov...influenced the exploration and settlement of most. In Africa, Europe, and Asia ancient gold mines are known...it would appear that the aborigines of North and South America placed little emphasis on gold beyond its |  | | Book | | t a t e d Bibliographies of Mineral Deposits in Africa, Asia (exclusive of t h e U S S R ) a n d Australasia...him. I have tried to include all ore districts in Africa, Asia (exclusive of the U.S.S.R.)> and Australasia...incluir todos los distritos mineros conocido en Africa, Asia (con exclusion de la Union Soviética), y...Greenland. This volume covers mineral deposits in Africa, Asia exclusive of the U.S.S.R., and Australasia...Philippines, and Japan are included with Asia. In South Africa, the deposits are arranged by prov inces, in |  | | Book | | Mineralization 4.10. A Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended...Eastern Goldfields, Western. Australia Barberton, South Africa Eastern Goldfields, Western Australia Manitoba... Large layered complexes Bushveld Complex, South Africa Stillwater Complex, USA Great Dyke, Zimbabwe...Skaergaard, Greenland 4. Kimberlites Kimberly, South Africa B, Intrusions in cratonic areas Diamond C...Bushveld, South Africa Great Dyke, Zimbabwe Sudbury, canada Bushveld, South Africa Bushveld, South Africa |  | | Report (volume) | | Unknown Known to native Americans - A de Ulloa (South America) S Tennant (England) S Tennant (England)...............................................40 Local PGM saturation during chromite growth.............quench to a glass, so HSE metal may also form by local saturation due to a build-up in concentration in...silicate melt, accounting for the low value for DPt. Local PGM saturation during chromite growth Both empirical...involves the development of a redox gradient, owing to local reduction within the mineral–melt interfacial region |
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