 | | Journal (article/letter/editorial) | | contrasting geothermal gradients (40-90 mW m 2) from South Africa, and western and eastern Australia. These data...in prep.). The live suites of xenoliths and two diamond-inclusion suites used here represent a variety...partitioning. The samples have been selected to be as free of alteration and disequilibrium microstructures...at the time of their entrapment in the growing diamond; this may be significantly different from the ambient...P - T conditions (Fig. 1). 2.1. Xenoliths from South African kimberlites These samples are xenoliths |  | | Book | | Diamond Geology Published on www.debeersgroup.com Index A) Classification and genetic models B) Exploration...Sample Treatment D) World Production E) South African Diamond Occurrences 1. Large Kimberlite Mines 1...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...Terms Diamond Geology Page 2 www.debeersgroup.com A) CLASSIFICATION AND GENETIC MODELS Diamond deposits |  | 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 fĆ¼r Geowissenschaften, UniversitƤt...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., GrĆ©au, 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...deļ¬ned for the mantle ā 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...cpx Transition samples Phlogopite, sulļ¬de, and diamond found enclosed in primary minerals and along the |  | | Book | | relevant protective laws and regulations and therefore free for general use. 2132/3130-543210 To my wife,...geology; as a result I have not attempted to describe diamond prospecting and mining and, although I have attempted...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. . . . . . . . . . |  | 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 |  | | Journal (article/letter/editorial) | | antigorite dehydration producing orthopyroxene and free water. Although this reaction is not expected to...Abstracts 2009 The asbestos extraction in the Balangero mine: Environmental consequences 1 1 F. PAGLIETTI ...Ministero Ambiente, Divisione Bonifiche The Balangero mine is situated near Turin (Italy). This area has been... The mine produced chrysotile from the 1920s and in the 1970s became the largest asbestos mine in Europe...Europe. The current configuration of the mine was determined, over the years, by the different techniques |  | 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...et al. (1989). The Kaapvaal craton in southern Africa and the Slo Francisco craton in Brazil both stabilized |  | | Journal (issue) | | need ...Lorge handle easily removed for mounting. FREE WITH EACH LAMP, informative booklet, "THE USES OF... ENGLISH MINERALS BARITE CRYSTA LS SILVERBAND MINE, KN OC H , WESTMORELAND, ENGLAND Lorge s harp perfectly...contact gon i omet er. They occur In a s ilver-lead mine w h e r e they o r e found loos ely a t tached to...TE C RYSTA LS Barium Carbonate SET TLINGSTONES MINE, FOURSTONES, N ORTH UMBLERLAND, ENGLAND A fine...barium, calcium a l u minum silicate WHI TESMITH MINE, STRONTIAN, SCOTLAND Type locality. Sharp w h ite |  | | 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 authorsā errors and omissions. SOUTH AFRICA SEVENTH INTERNATIONAL KIMBERLITE CONFERENCE...Survey of South Africa) SouthemEra Resources Ltd SOCIETY SPONSORS Geological Society of South Africa (GSSA)... 20 Three-Stage Growth Model of the Natural Diamond of Octahedral Habit. 23 Petrography and mineralogy...Experimental Study of Growth and Resorption of Diamond in Kimberlitic Melts at High Pressures and Temperatures...crystalline inclusions and the real structure of diamond. Morphology and Composition of Chromite Macrocrysts |  | | Report (issue) | | UI. Series. 86-600094 TN23.P76 1986 333.8'5'0973 Free on application to the Books and Open-File Reports...first proposed a discussion forum on the current state of the art in mineral resource assessment and the...participants representing U.S. and Canadian Federal, State, and Provincial agencies, as well as delegates from...Steven Green (GSC), who were responsible for the local arrangĀ·ements and who attended ably and cheerfully...the fuel or mineral deposits being sought and its local geologic environment. 3. Unraveling the processes |  | | Report (volume) | | AND Frj:liminauy Note on the Gold Fields ok South-kvst Survey ok India, Madras VIEW, duuino the...the middle of December, and then visited Surat district with a view to advise the authorities on the probabilities...notes, ; hut falling into a semi-unconscious state, he only lingered on until the noon of the follow-...Geological Survey, India, VII, 151), and doserihed the local exhibition of some poor coal-seams along their outskirts...iiiterru])tions io Mr. Hughesā progress in that district, the map])iiig of this Wardha There is still |  | | 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 |  | | Report (issue) | | Austin, Texas 78712 Dept. of Earth & Space Sciences State University of New York Stony Brook, New York 11794...Geological Sciences Virginia Polytechnic Institute State University Blacksburg, Virginia 24061 JULIAN SPEER...of Geological Sciences Polytechnic Institute & State University Blacksburg, Virginia 24061 MINERALOGICAL...properties Solid solution properties Estimation of free energy of mixing from high-temperature data Estimation...TRANSFORMATIONS The ca1cite-to-aragonite IN THE SOLID STATE The transformation under conditions of aragonite |  | | Journal (issue) | | society at large.ā has been restarted in Brazil, South Africa and the United Kingdom, it remains on hold in...harassers. Thatās not because the NASās 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. āIf thereās another...service that ensures scientific communication is free from interference. āI donāt think thereās a simple |  | | Report (issue) | | am , Sim on e. An1hropological per,pecti, e, on local deve lop ment. London ; New Y ork : Ro utledge....Archaeolouica l inve~,i~ati on, al Pin,on Mound, State Archaeo lo~ical Area. INa,hville: Di vision of Archaeology...dehydrogenase dehciency hemizygo1es and he1erozygo1es in Africa/ C. Ruwtnde ... Icl 11I. I -- Parasi1e-111cdia1cd...S1free paper) l SBN (H\2'.!\1-5672-1 (pbk.: ac.:,d-tree...Sou1hcrn Peru. c 199K. ' TOZ [S.A . C 177.4 c Folio] AFRICA - ANTJQUIT I ES. Beyond chiefdom,. Cambridge. U |
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