 | | Journal (article/letter/editorial) | | contrasting geothermal gradients (40-90 mW m 2) from South Africa, and western and eastern Australia. These data...partitioning. The samples have been selected to be as free of alteration and disequilibrium microstructures...P - T conditions (Fig. 1). 2.1. Xenoliths from South African kimberlites These samples are xenoliths...(K.S. Viljoen, 1994 and in prep.) and Monastery Mine (Moore et al., 1991). Several extreme compositions...stable only at P > 40 kbar on this geotherm. 2.2. South African and Australian diamond inclusions These |  | | Book | | Phase 5. Sample Treatment D) World Production E) South African Diamond Occurrences 1. Large Kimberlite...Koffiefontein 2. Smaller mineralised kimberlites in South Africa 2.1 The Oaks 2.2 The Zebediela Kimberlites 2...2.3 The Bellsbank-Barkly West Area 2.4 The Boshof Area 2.5 Theunnissen and Virginia 2.6 The Loxtondal... their relative production contributions in South Africa were, primary (kimberlite) 8.63 million carats...Premier mine. The proportion of gems in the West Coast marine deposits is over 98%. The MIBA mine in the |  | Burness, S., Smart, K.A., Tappe, S., Stevens, G., Woodland, A.B., Cano, E. (2020) Sulphur-rich mantle metasomatism of Kaapvaal craton eclogites and its role in redox-controlled platinum group element mobility. Chemical Geology, 542. 119476pp. doi:10.1016/j.chemgeo.2020.119476 | Journal (article/letter/editorial) | | the Witwatersrand, Private Bag 3, Wits 2050, South Africa *Corresponding author: sarab@uj.ac.za; Tel:...University of Johannesburg, 2006 Auckland Park, South Africa 3 Centre for Crustal Petrology, Department...University, Private Bag of X1, Matieland 7602, South Africa Institut für Geowissenschaften, Universität...also supported by their relatively reducing redox state. Base metal sulphides from the mid-lithospheric...are similar to Karoo flood basalts from southern Africa, suggesting a link between the identified shallow |  | Huang, Jin-Xiang, Xiang, YuanXin, An, Yajun, Griffin, William L., Gréau, Yoann, Xie, Liewen, Pearson, Norman J., Yu, Huimin, O'Reilly, Suzanne Y. (2016) Magnesium and oxygen isotopes in Roberts Victor eclogites. Chemical Geology, 438. 73-83 doi:10.1016/j.chemgeo.2016.05.030 | Journal (article/letter/editorial) | | Pearson b, Huimin Yu c, Suzanne Y. O'Reilly b a b c State Key Laboratory of Lithospheric Evolution, Institute...eclogites from the Roberts Victor kimberlite pipe (South Africa) have been measured by solution multicollector...defined for the mantle ⁎ Corresponding author at: State Key Laboratory of Lithospheric Evolution, Institute...Roberts Victor kimberlite pipe, Kaapvaal Craton, South Africa, have been studied for decades (MacGregor and...in garnet and cpx in Roberts Victor eclogites (Rovic, this study), Kaalvallei and Bellsbank eclogites |  | | Book | | relevant protective laws and regulations and therefore free for general use. 2132/3130-543210 To my wife,...collaboration. Much of my fieldwork in southern Africa has been carried out with the cooperation and assistance...7.3 2.8 2.9 Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . West Africa . . . . . . .... . . . . Central Africa. . . . . . . . . . . . . . . . . . . . . . . East Africa. . . . . . . . . .... . . . . . . . . . . . . . . . Southern Africa . . . . . . . . . . . . . . . . . . . . . U.S.S.R. . |  | Giuliani, Andrea, Fiorentini, Marco L., Martin, Laure A.J., Farquhar, James, Phillips, David, Griffin, William L., LaFlamme, Crystal (2016) Sulfur isotope composition of metasomatised mantle xenoliths from the Bultfontein kimberlite (Kimberley, South Africa): Contribution from subducted sediments and the effect of sulfide alteration on S isotope systematics. Earth and Planetary Science Letters, 445. 114-124 doi:10.1016/j.epsl.2016.04.005 | Journal (article/letter/editorial) | | from the Bultfontein kimberlite (Kimberley, South Africa): Contribution from subducted sediments and...Sciences, Macquarie University, North Ryde, 2019, New South Wales, Australia b KiDs (Kimberlites and Diamonds)...beneath the diamondiferous Kimberley region (South Africa), we investigated the S isotope systematics...from the Bultfontein kimberlite (Kimberley, South Africa; Fig. 2). The S isotope investigation was complemented...references therein). Fig. 2. Schematic map of southern Africa showing the location of the Kimberley cluster of |  | McDonald, I., de Wit, M.J., Smith, C.B., Bizzi, L.A., Viljoen, K.S. (1995) The geochemistry of the platinum-group elements in Brazilian and southern African kimberlites. Geochimica et Cosmochimica Acta, 59 (14) 2883-2903 doi:10.1016/0016-7037(95)00183-2 | Journal (article/letter/editorial) | | Sciences, University of Cape Town, Rondebosch 7700, South Africa * Hugh Allsopp Laboratory, BP1 Geophysics, University...University of the Witwatersrand, Wits 2050, South Africa 3 Sopemi Pesq., Exploracao de MinCrios, SlA...Research Labs, PO Box 106, Crown Mines 2025, South Africa (Received June 7, 1994; accepted in revised...carbonatite, and alkali basalt) from Brazil and southern Africa. The intrusions were grouped according to their...chromitites which have been tectonothermally converted to spinel-poor lithospheric peridotites; or fragments of |  | | Journal (article/letter/editorial) | | SCIENCES, DURHAM UNIVERSITY, SOUTH ROAD, DURHAM DH1 3LE, UK 2 ARIZONA STATE UNIVERSITY, CHEMISTRY AND BIOLOGY...CENTRE, PO BOX 82232, SOUTHDALE GAUTENG 2135, SOUTH AFRICA 5 NERC ISOTOPE GEOSCIENCES LABORATORY, KINGSLEY...PUBLICATION JULY 1, 2004 Kimberlites from Southern Africa, along with their low-Cr megacrysts, have unusual..., 1995). The samples studied are from Southern Africa, belonging to the isotopic Groups I and II of Smith...Kallvallei and Star (S. Africa) kimberlites plus the Kamfersdam dump (Kimberley, S. Africa) have been analysed |  | | Book | | responsibility for authors’ errors and omissions. SOUTH AFRICA SEVENTH INTERNATIONAL KIMBERLITE CONFERENCE...Survey of South Africa) SouthemEra Resources Ltd SOCIETY SPONSORS Geological Society of South Africa (GSSA)...a Phanerozoic subduction regime in eastern New South Wales, Australia. Mantle Dynamics beneath Mongolia:...growth of Archean cratons: a case study from west Africa. The vertical distribution of indicator minerals...diamond. 61 Cr-poor Megacrysts from the Frank Smith Mine and the source regions of transitional kimberlites |  | | Journal (article/letter/editorial) | | The conaentration aontrol of soluble oopper in B mine toilings streem . . D. A. SPEABS: Relationship between...GOLDBERQ) . , . . . . . . . . “The Crystalline State: An Introduction” by PETEB GAY (Reviewed by PAUL...greyweokes from Wyoming end from the Fig Tree Group, South Africa . . . . . . . . . . . . . . C. E. FOLSO~E, J...in the Allende meteorite. . C. E. REES: A steady-state model for sulphur isotope fractionation in bacterial...&opo ratios from veins in some Archeon cratone of Africa . . . . . . . . . . . . Q. F. J&azoa: V&ability |  | | Book | | 80523, U . S . A . : Resources, (III.7). Colorado State U n i v e r s i t y , Fort BARRON L . M . - G...e p a r t m e n t of Earth Resources, Colorado State U n i v e r s i t y , C o l l i n s , C o l o r...a r t m e n t of Geosciences, The Pennsylvania State U n i v e r s i t y P a r k , P e n n s y l v a...a 85287, U . S . A . : ( I I . 2 ) . Arizona State James Virginia Museum, 6-8 U n i v e r s i...Department o f E a r t h R e s o u r c e s , Colorado State U n i v e r s i t y , C o l l i n s , C o l o r |  | | Journal (issue) | | society at large.” has been restarted in Brazil, South Africa and the United Kingdom, it remains on hold in...harassers. That’s not because the NAS’s membership is free of harassers. Still among its members are astronomer...concerns. Halted trials of the same vaccine in South Africa and Brazil have also since resumed, but the...MacIntyre, an epidemiologist at the University of New South Wales in Sydney, Australia. “If there’s another...service that ensures scientific communication is free from interference. “I don’t think there’s a simple |
|
