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Magnesite from
Bultfontein Mine, KEM JV Mine (Kimberley Ekapa Mining Joint Venture mine; Kimberley Underground mine), Kimberley, Sol Plaatje Local Municipality, Frances Baard District Municipality, Northern Cape, South Africa


Locality type:Mine
Classification
Species:Magnesite
Formula:MgCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnesite data
Locality Data:Click here to view Bultfontein Mine, KEM JV Mine (Kimberley Ekapa Mining Joint Venture mine; Kimberley Underground mine), Kimberley, Sol Plaatje Local Municipality, Frances Baard District Municipality, Northern Cape, South Africa
Data Identifiers
Mindat Occurrence Record ID:1233187
Long-form Identifier:1:3:1233187:9
GUID (UUID V4):98d40536-a6b3-4dd2-8366-af03e94a4d8e
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
isotope geochemistry of the Bultfontein kimberlite (Kimberley, South Africa) Andrea Giuliani, Ashton Soltys...isotope geochemistry of the Bultfontein kimberlite (Kimberley, South Africa), Chemical Geology (2016),...geochemistry of the SC RI PT Bultfontein kimberlite (Kimberley, South Africa) Andrea Giuliani1,2,3*, Ashton...hypabyssal sample (BK) from the Bultfontein kimberlite (Kimberley, South MA Africa). Sample BK consists of...Sr/86Sr ratios to perovskite in the Bultfontein and the other Kimberley kimberlites, i.e. magmatic values
Book (volume)
rise and development of the diamond mines of South Africa, from an historical, economic and technical...days on the diamond fields when the mines in the Kimberley and Jagersfontein areas were the only diamond...information of a mining nature, which included, besides the data on underĀ­ ground and surface mining operations...crystals with the object, if possible, of deterĀ­ mining the conditions under which the diamond crystal...collect during my many visits to all parts of South Africa where kimberlite deposits occurred and the filing
Book
not attempted to describe diamond prospecting and mining and, although I have attempted to give some of...with whose research groups at the universities of Cape Town and Chicago I have had long and fruitful collaboration...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. . . . . . . . . .
Journal (article/letter/editorial)
inclusions from De Beers Pool diamonds, Kimberley, South Africa D. Phillips a,*, J.W. Harris b, K.S. Viljoen...Mines Ltd., P.O. Box 82232, Southdale, 2135, South Africa b Received 27 June 2003; accepted 14 December...important De Beers Pool kimberlites in Kimberley, South Africa, are characterised by harzburgitic compositions...unusual intergrowths include garnet + olivine + magnesite and an eclogitic assemblage comprising garnet...Beers Pool kimberlites in Kimberley, South Africa (28j46VS, 24j48VE). The Kimberley region is significant
Journal (article/letter/editorial)
upper mantle beneath the Kaapvaal craton, Southern Africa A.B. Woodland  , M. Koch Mineralogisches Institut...the Kaapvaal craton in South Africa (Kimberley, Jagersfontein, Frank Smith Mine, Monastery) and Lesotho...coverage from V80 to 220 km. For the Lesotho and South African xenoliths there is a systematic, but not...attended metasomatism, as recorded in samples from Kimberley. Our results emphasise that the upper mantle cannot...garnet peridotite xenoliths from the Wesselton Mine, South Africa. However, a detailed analysis of the variation
Journal (article/letter/editorial)
polymict breccia (DU-1) from the Bultfontein Dumps (Kimberley, South Africa). Xenolith DU-1 contains heterogeneous...isotope values (initial ĪµHf =2.1ā€“3.0) in the range of South African Group I kimberlites and associated megacrysts...inclusions. Carbonate-rich inclusions host abundant magnesite and dolomite, with subordinate kalsilite, phlogopite...xenolith (DU-1) collected from the Bultfontein Dumps (Kimberley, South Africa). Textural relationships, mineral...1) collected from the Bultfontein Dumps (Kimberley, South Africa). The Bultfontein Dumps comprise waste
Journal (article/letter/editorial)
xenolith entrained in the Bultfontein kimberlite (Kimberley, South Africa) Ashton Soltys, Andrea Giuliani...xenolith entrained in the Bultfontein kimberlite (Kimberley, South Africa), LITHOS (2016), doi: 10.1016/j...xenolith entrained in SC RI the Bultfontein kimberlite (Kimberley, South Africa). Ashton Soltys1,*, Andrea...kbar (~140-145 km)] from the Bultfontein kimberlite (Kimberley, South Africa). This vein assemblage is dominated...from the Bultfontein kimberlite, as well as perovskite from the other kimberlites in the Kimberley area.
Journal (article/letter/editorial)
polymict mantle xenolith from the Bultfontein kimberlite (Kimberley, South Africa). The inclusions host abundant...abundant carbonates (magnesite, dolomite, and K-Na-Ca carbonates), kalsilite, phlogopite, K-Na titanates...polymict mantle xenolith from the Bultfontein kimberlite (Kimberley, South Africa). In this paper we show that...xenolith (DU-1) from the Bultfontein dumps, Kimberley (South Africa). The Bultfontein dumps comprise waste...(including abundant mantle xenoliths) from the Bultfontein mine, which is one of four major diamond-producing
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 ā€˜handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...diversity and magnitude of South African mineral deposits and local mining operations, the Economic Geology...of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry;
Book (edition)
Southern Africa a Collectorā€™s Guide ā–  Rocks, Minerals and Gemstones of Southern Africa & ā€” - ... T ~ '' .rats en&nes L of Southern Africa A Collectorā€™s Guide - Struik Publishers (an operating...Ltd.) Struik House Oswald Pirow Street Foreshore, Cape Town 8001 First edition 1976 Second edition 1983...Ā©E.K. Macintosh Cover design by Neville Poulter, Cape Town Lithographic reproduction by Tien Wah Press...Ltd, Singapore Photoset by McManus Bros (Pty) Ltd, Cape Town Printed and bound by Interpak, Pietermaritzburg
Book
DOMINIONS BEYOND THE SEAS RALPH S. G. STOKES Latk Mining Editor, Rand Daily Mait, Johannesburg, S.A. WITH... TO THE PIONEERS TECHNICAL AND FINANCIAL OF THE MINING INDUSTRY WHOSE ENERGIES HAVE CONSTITUTED THE CHIEF...to rank as factors of considerable moment in the mining world. So vast is the subject as a whole that in...classified by natural than national distinc tions, mining fields are closely linked by the bonds of mutual...established abundantly throughout the colonial mining world. The bulk of this volume is based upon observations
Journal (article/letter/editorial)
garnet harzburgite mantle xenolith from Kimberley, South Africa, suggests metasomatism of a severely melt-depleted...Ga subduction and continental collision in the Kimberley region. The veined sample reļ¬‚ects the silicic...of a spectrum of compositions generated in the Kimberley mantle lithosphere by the metasomatizing eļ¬€ects...particular those from the Kaapvaal craton of southern Africa, contain unusually high Si contents (manifested...the Boshof Road Dump at Kimberley, South Africa. Material from this diamond mine dump is believed to derive
Book (volume)
DIAMOND-BEARING ALLUVIAL GRAVELS OF THE UNION OF SOUTH AFRICA DIAMOND-BEARING GRAVELS DRAINAGE WEATHERING...SYSTEMS THE ORIGIN OF THE ALLUVIAL DIAMONDS THE SOUTH-WEST AFRICA DIAMOND DEPOSITS THE VAAL RIVER ALLUVIAL GRAVELS...Plate No. 96. THIN SECTION (359, X 12) FONTEIN MINE BRONZITE PERIDOTITE FROM JAGERSĀ­ facing page 368...FROM BuLTFONTEIN - following plate MINE THIN SECTION (8, x 12) BRONZITE PERIDOTITE FROM BuLTFONTEIN 98...98. MINE ,, ,, 99. THIN SECTION MINE - (3, X 12) BRONZITE PERIDOTITE FROM BOLTFONTEIN 102. THIN SECTION
Journal (article/letter/editorial)
Low-calcium garnet harzburgites from southern Africa: their relations to craton structure and diamond...with magnesite may have reduced the Ca contents of their garnets and decomposition of the magnesite during...harzburgite that contain low-Ca garnet in southern Africa (Danchin and Boyd 1976), Colorado (McCallum and...u n c e d association with cratons. In southern Africa these garnets are found only within the area of... Sobolev, personal communication, 1989), the Kimberley craton in Australia (Nixon et al. 1987a; Lucas
Book
............................ 126 5.3.3.2. West Africa ........................................... 126...11. 6.12. 6.13. 6.14. 6.15. 6.6.3 .1. Diverse South African Kimberlites (Dawson and Smith 1975, Smith.......................... 437 KIMBERLITES Ex Africa semper aliquid novi. Pliny The Elder, Natural...confluence of the Vaal, Orange, and Riet Rivers of South Africa in 1866-1867. The ebb and flow of prospecting...purely serendipitous and occurred on the farms of Bultfontein and Dorstfontein, locally known as Dutoitspan
Book
calcite, clay minerals and fragments of crustal and local host country-rock. At Lattavaram the kimberlite...Iherzolite nodules in kimberlites(from Lesotho and South Africa) and were analysed for isotopic compositions...Extended Abstract, First Kimberlite Conference, Cape Town, 23. Basu, A. R. and Murthy, V. R.(1977) EPSL...University of the Witwatersrand, Johannesburg, 2001, South Africa) Radiometric age determinations were undertaken...undertaken on 15 kimberlite occurrences in Southern Africa, emphasis being placed on a wide areal distribution
Journal (article/letter/editorial)
more oxidizing f O2 than the EMOD (enstatiteā€“magnesiteā€“olivineā€“diamond) buffer, such that MARID and MORID...the Bultfontein, De Beers, Wesselton, Dutoitspan and Newlands kimberlite pipes in southern Africa. Therefore...except for BD2394 [54], which is from a diamond mine and the minimum pressure for diamond to be stable...the vein in polymict xenolith, from the Bultfontein diamond mine. PHN2793=8B from [56]. A-306 from [57]...polymict xenolith (BD2394) from the Bultfontein diamond mine, South Africa contains coexisting ilmenite, chromite
Journal (article/letter/editorial)
the Benfontein Kimberlite Sill complex (Kimberley, South Africa): Textural, petrographic and melt inclusion...the Benfontein Kimberlite Sill complex (Kimberley, South Africa): Textural, petrographic and melt inclusion...the Benfontein Kimberlite Sill Complex (Kimberley, South Africa): Textural, petrographic and melt inclusion...Geological Sciences, University of Cape Town, Rondebosch 7701, South Africa 6 Department of Geology, University...emplacement coeval with other kimberlites of the Kimberley SC RI cluster. The Benfontein sills are characterised
Journal (article/letter/editorial)
and coherent kimberlites from localities in South Africa ( We s s e l to n , D e B e e r s , B u l t...response (e.g., dark orange in the Wesselton, or Bultfontein kimberlites, Fig. 1d vs dark brown in the Benfontein...Laths of calcite occur in the De Beers dyke (South Africa; Soltys et al., this volume). These prismatic... ol2 cal usp ap prv ol1 Bultfontein 200 Āµm d 15 Āµm Bultfontein e Benfontein dol 40 Āµm f...f lath 200 Āµm Bultfontein g 200 Āµm Benfontein i h ap 100 Āµm De Beers segregations cal cal
Journal (article/letter/editorial)
the crystallizĀ­ ing assemblage. Coprecipitating magnesite is inferred to be an important host for Mg, with...depletion in coexisting ilmenite. Decrepitation of magnesite megaĀ­ crysts during kimberlite ascent may have...u l z e , 1 9 8 7 ) . 1 Present address: Toco Mining Co., 2170 S.E. 17th Street, Fort Lauderdale, Florida...at all." The kimberlites from the Iron Mountain district of Wyoming, USA (Smith, 1977; Eggler et al., 1979)...and Cr 2 O 3 in ilmenites from Lesotho and West Africa. Although composiĀ­ tions of many ilmenite populations
Journal (article/letter/editorial)
Italy 2 De Beers Exploration, Johannesburg, South Africa Corresponding author. of * ro Abstract...diamond geobarometry (Cullinan, Kimberley and Voorspoed, South Africa) with those of mantle xenocrysts...conditions may represent old mantle thermal regimes or local thermal perturbations related to infiltration of...most sought-after minerals, with a global annual mine production of ā“150 Mct (gem and industrial diamonds;...difficult to assess possible heterogeneities in the local distributions of diamonds, differences between localities
Journal (article/letter/editorial)
of the lithospheric mantle beneath Diavik diamond mine, central Slave craton, NWT, Canada Steven Creighton...from the A154-North and A154-South kimberlites of the Diavik diamond mine using the newly developed flank...Yellowknife, Canada Present Address: S. Creighton (&) Mining and Minerals Division, Saskatchewan Research Council...recovered from the A154-North and South kimberlites during mining operations at Diavik (samples with...A154-North kimberlite prior to the commencement of mining (samples with A154 prefix, Table 1). Our sample
Journal (issue)
ARE ENDORSEMENTS... PH is the no.1 choice of the mining industries In recent years shovels 68% of all...P&H has earned such widespread acceptance in the mining industries because of lower per-ton loading cost... 4.5 to 9 yard the world have electric been mining PsH 2. Vastly superior service and parts availability... OF FICE: Ā« Ltd., Montreal MINING WORLD GRAB SAMPLES MINING from the mail ee Congratulations...opportunity of thanking you for regular copies of Worip MINING which is both extremely helpful and interesting
Journal (article/letter/editorial)
Newlands, Kimberley, Finsch, Roberts Victor and Lace are shown as blue stars. Except for Kimberley (āˆ¼85 Ma...two further diamond mines, Bellsbank and Bultfontein (Kimberley), and discuss The Kaapvaal craton is the...the continental nucleus of southern Africa (Fig. 1). It consists of the East-block with maximum crust...Bellsbank ļ¬ssures and the Bultfontein diatreme (= the Boshof Road dump in Kimberley) lie in the centre of...middle of the East-block and the Roberts Victor mine sits on the Colesberg lineament, between the two
Book (volume)
found at the p. 127, line 5. Premier Mine, Transvaal, South Africa. It weighed 3106 carats in the rough...production and almost 56% of world annual production. South Africa is p. 159, line 17. ; ADDENDA Vlll (1968)...stones of smaller sizes. South Africa diamonds Congo Other large producers in Africa are is still the major...producer of stones of gem quality. Ghana, Southwest Africa, Sierra Leone, and Angola. At the present time...Australian opal locality of Lightning Ridge, New South 384, line 4. Wales, was discovered. In 1915 precious
 
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