 | | Journal (article/letter/editorial) | | PO Box 524, Auckland Park 2006 Johannesburg, South Africa brucec@uj.ac.za Figure 1. Bultfonteinite on...view 11 cm, from the Dutoitspan mine. Although not from Bultfontein mine, this specimen is historically...donated by C. E. Adams to the MacGregor Museum in Kimberley. The color and habit of this Dutoitspan bultfonteinite...evidenced from a specimen attributed to the Bultfontein mine by Irocks.com (www.irocks.com/ minerals/specimen/3705;...MacGregor Museum. Bultfonteinite Bultfontein Diamond Mine Kimberley, South Africa B ultfonteinite, Ca2[SiO3(OH)]F·H2O |  | | Journal (article/letter/editorial) | | PO Box 524, Auckland Park 2006 Johannesburg, South Africa brucec@uj.ac.za Downloaded by [University of...of De Beers Consolidated Mines, Ltd. in Kimberley, South Africa, from 1905 to 1931. He discovered the mineral...mineral at the Dutoitspan diamond mine in Kimberley in 1923 and, recognizing that it appeared to be something...apophyllite, and natrolite, between the 150-meter and 250-meter levels at the mine. The mineral is brittle...died on 6 January 1953 in Muizenberg, Cape Town, South Africa. He was the only son of Gardner F. Williams |  | | Journal (article/letter/editorial) | | courtesy Department of Geology, Rhodes University, South Africa. Department of Geology University of Johannesburg...PO Box 524, Auckland Park 2006 Johannesburg, South Africa brucec@uj.ac.za Edgar Donald Mountain (1901–1985)...The type locality is the Bultfontein diamond mine in Kimberley, South Africa, where it was found associated...with rhodesite, another type species from the Bultfontein kimberlite pipe (Gard, Taylor, and Chalmers 1957;...pegmatite, Lovozero Massif, Northern Region, Russia; and the Trinite mining claim, California (http://www |  | | 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 under ground and surface mining operations...crystals with the object, if possible, of deter 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 |  | | Report (issue) | | 93± 570 X-ray Powder Pattern: Bultfontein mine, Kimberley, South Africa. 1.93 (100), 8.12 (60), 2.92 (60)...0.02 3.33 99.88 99.85 (1) Bultfontein mine, Kimberley, South Africa. (2) Fuka, Japan; corresponds...fragments in a kimberlite pipe (Bultfontein mine, Kimberley, South Africa); in a contact zone in thermally...Association: Calcite, apophyllite, natrolite (Bultfontein mine, Kimberley, South Africa); afwillite, scawtite (Crestmore...Distribution: In South Africa, in Cape Province, in the Bultfontein and Dutoitspan diamond mines, Kimberley; the |  | | 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. . . . . . . . . . |  | | Report (issue) | | SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA MINERALOGY OF SOUTH AFRICA:... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria or........................... 69 5.1 Overview of South African Occurrences ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES |  | | Journal (article/letter/editorial) | | fluorine-bearing hydrous calcium silicate from South Africa. By Jom~" PARRYl (chemical study), ALPIIEUSF...WILLIAMS, De Beers Consolidated Mines, Kimberley, Union of South Africa, and F. E. WRICItT (erystallographieal...or 1904 on the 480-foot level of the Bultfontein mine at Kimberley. It occurred, associated with calcite...calcite, apophyllite, and natrolite, in a large ' horse ' of dolerite and shale fragments enclosed in kimberlite...Specimens of the new mineral were considered to be natrolite and were presented to Mr. A. F. Williams. Several |  | | Journal (article/letter/editorial) | | Carlsbad hot springs. He described the metlod of mining Bohemian garnets. Photographswerb shown of basaltic...trip to Ontario, Canada,visiting the French River district, Sudbury, Cobalt, Timmins, and the Lake ShoreMines...from South Africa. Mineral' Mag', 23, l4s-162,1932. Nnre: Presumably from ttre Bultfontein mine at Kimberley...3o. occur.nENcr,:First found at the Bultfontein mine, Kimberley, associatedwittr 'horse'of dolerite and...apophyllite and natrolite, in a large in kimbeiliie. Later found in Dutoitspan mine, and still later |  | | Journal (article/letter/editorial) | | Carlsbad hot springs. He described the metlod of mining Bohemian garnets. Photographswerb shown of basaltic...trip to Ontario, Canada,visiting the French River district, Sudbury, Cobalt, Timmins, and the Lake ShoreMines...from South Africa. Mineral' Mag', 23, l4s-162,1932. Nnre: Presumably from ttre Bultfontein mine at Kimberley...3o. occur.nENcr,:First found at the Bultfontein mine, Kimberley, associatedwittr 'horse'of dolerite and...apophyllite and natrolite, in a large in kimbeiliie. Later found in Dutoitspan mine, and still later |  | | Journal (article/letter/editorial) | | following paper:NOTES ON THE DIAMOND ROCK OF SOUTH AFRICA. By W. H. HUDLESTON, M.A., F.G.S., F.C.S. PART...regarded as absolutely novel in the history either of mining or prospecting. Moreover, at the present time,...conversations with gentlemen connected with the Kimberley mine, who have been kind enough to supply me with...who are well versed in the history of South African diamond-mining will not object to a brief l'isume of...announcement of the discovery of diamonds at the Cape was received. As a matter of fact, diamonds were |  | | Report (issue) | | ¯ = 104± Z= 8 X-ray Powder Pattern: Kimberley, South Africa. 2.94 (vvs), 6.6 (vs), 13.1 (s), 4.67 (s)...8.02 13.4 0.87 2.47 99.4 99.63 (1) Kimberley, South Africa; corresponds to (Na1:04 Ca0:99 K0:54 Mg...2:75H2 O: Occurrence: In a kimberlite pipe (Kimberley, South Africa); in a di®erentiated alkalic massif (Lovozero...Russia). Association: Rhodesite (Kimberley, South Africa); natrolite, steenstrupine, chkalovite, neptunite...Distribution: In the Bultfontein diamond mine, Kimberley, Cape Province, South Africa. On Mt. Karnasurt |  | HANSON, E.K., MOORE, J.M., BORDY, E.M., MARSH, J.S., HOWARTH, G., ROBEY, J.V.A. (2009) CRETACEOUS EROSION IN CENTRAL SOUTH AFRICA: EVIDENCE FROM UPPER-CRUSTAL XENOLITHS IN KIMBERLITE DIATREMES. South African Journal of Geology, 112 (2) 125-140 doi:10.2113/gssajg.112.2.125 | Journal (article/letter/editorial) | | A. ROBEY 125 CRETACEOUS EROSION IN CENTRAL SOUTH AFRICA: EVIDENCE FROM UPPER-CRUSTAL XENOLITHS IN KIMBERLITE...Rhodes University, P.O. Box 94, Grahamstown, South Africa email: emilykhanson@gmail.com; j.moore@ru.ac...De Beers Group Services, P.O. Box 47, Kimberley, South Africa email: jock.robey@debeersgroup.com © 2009...2009 June Geological Society of South Africa ABSTRACT Twelve Group II and fourteen Group I kimberlite...kimberlite diatremes in central South Africa were examined for upper crustal xenoliths in order to estimate the |  | | Journal (article/letter/editorial) | | n d Geochemistry, University of Cape Town, Rondebosch, South Africa Received May 13, 1968 Abstract. The...collection which is stored a t the University of Cape Town. E v e r y suitable sample available to the...stored in the Department of Geology, University of Cape Town, and which was described and illustrated in...vast number of kimberlite occurrences in Southern Africa many are insufficiently explored in depth or too...map of sample sites. I Bultfontein; de Beers; Dutoit)span; Kamfersdam; Kimberley (Big Hole) and Wesselton |  | | Journal (issue) | | EDITORIAL COVER PHOTO: Bayldonite. Penberthy Croft mine, St. Hilary, Cornwall. Globular aggregates to 0...of-interest co amateur mineralogists, collectors, and mining historians. Concril?ucions or suggestions for articles...------- 16 ------THE VAN MINE S.J.S. Hughes -------26 ------A JOURNEY THROUGH NORTHERN SPAIN David I. Green... MINERAL NOTES SIEGENITE FROM ERGLODD MINE, TALYBONT, DYFED, WALES RGLODD Mine is located 200 metres east of...sphalerite (Livingstone l'I al., 1976); in the South Wales Coalfield it is found in clay-ironstone nodules |  | | Journal (article/letter/editorial) | | the first locality for this mineral outside of South Africa The powder pattern shows the following spacings...discoveredabout 1903 or 1904 in the Bultfontein mine, in the Kimberley District, South Africa. Several years later it...Dutoitspan mine in the same district, and shortly before 1932 it was found also at the Jagersfontein mine in...miles southeast of Kimberley. When first collected, it was thought to be natrolite, but was later recognized...University, a little of the type mineral from South Africa was made available, and a referencepattern recorded |  | Howarth, Geoffrey H., Moore, Andy E., Harris, Chris, van der Meer, Quinten H.A., le Roux, Petrus (2019) Crustal versus mantle origin of carbonate xenoliths from Kimberley region kimberlites using C-O-Sr-Nd-Pb isotopes and trace element abundances. Geochimica et Cosmochimica Acta, 266. 258-273 doi:10.1016/j.gca.2019.03.026 | Journal (article/letter/editorial) | | versus mantle origin of carbonate xenoliths from Kimberley region kimberlites using C-O-Sr-Nd-Pb isotopes...versus mantle origin of carbonate xenoliths from Kimberley region kimberlites using C-O-Sr-Nd-Pb isotopes... Howarth et al. – Origin of carbonate xenoliths in Kimberley region kimberlites Crustal versus mantle origin...origin of carbonate xenoliths from Kimberley region kimberlites using C-O-Sr-Nd-Pb isotopes and trace element...Geological Sciences, University of Cape Town, Rondebosch 7701, South Africa 2 Geology Department, Rhodes |  | | 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 |  | | Book | | carat in ten thousand emerald crys- taken from a mine in North Carolina was transparent. In some respects...carats. Its weight (Plate XVI.) The " Star of the South" was found July, 1853, in the western part of Minas...£80,000. The " Star of South Africa" was the first large stone found in the Cape (1869). It weighed in...and nine and one-fourth carats came from the same mine. It is said an illicit diamond buyer bought this...where known. It the " Victoria" came from the Cape to was found is unEurope in 1884, and PRECIOUS |  | | Journal (article/letter/editorial) | | the Tertiary sediments of south-west Persia." At various localities in south-west Persia the escape and...calcium silicate from South Africa." This new mineral was found in the Bultfontein and Dutoitspan diamond...diamond mines at Kimberley and in the Jagersfontein mine in Orange River Colony. It forms pale pink globular...radiating needles, and has much the appearance of natrolite. Analysis gives the formula 2Ca(OH,F)2.SiO2. From |  | | 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...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; |  | | Journal (article/letter/editorial) | | of oJ south-uest Persia. At various localities in hydrocorbons in lhe Tertiary seiJ.i,ments south-west...calcium silicate Jrom South AJri'co. This new mineral was found in the Bultfontein and Dutoitspan diamond...diamond mines at Kimberley and in the Jagersfontein mine in Orange River Colony. It forms pale pink globular...radiating needles, and has much the appearance of natrolite. Analysis gives the formula 2Ca(OHsF):'SiO:. From |  | | Book (edition) | | Meta/lurgical and Mineralogical Society o/ South Africa Journal of Chemical Phy ics Journal cif the...and Proceedings of the Royal Socief) 1 of Ne,v South Wales JPSJ Journal of rhe Physical Society of...Mineralogia e Petrologia Program with abstract ·.joint 01111110/ meeting of the GAC. ,\L.J.Cand CSPG Pennskiye...Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de Alineralogia-Roma...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the |  | | 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 |  | | Report (issue) | | Afwillite NMNH 95237 Dutoitspan Mine, Kimber¬ ley, South Africa Dutoitspan Ammonioborite cany, Italy...Mineral¬ Feldspar ogy of Three Sulphate Deposits of Northern from Soda Anorthite Chile. American Mineralogist...(M. Vonsen, 1920) NMNH 106112 from the Hillside Mine, Yavapai County, Ari¬ L. G. Berry, 1947. Composition...Aluminocopiapite NMNH 93834 Island Mountain, Mountain, from Mine, Yavapai County, Arizona (L. J. Cabri, 1976) Island...the Jarosite American Mineralogist, 12:424-426. Mine, Cobalt, Ontario, Canada Copiapite Tus¬ See reference |
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Bultfontein Mine, KEM JV Mine, Kimberley, Sol Plaatje Local Municipality, Frances Baard District Municipality, Northern Cape, South Africa