 | | Journal (article/letter/editorial) | | on the Tweefontein farm (no. 1033), about 10 roues I~I~W. of Potgietersrust, Waterberg district, Transvaal...alteration-product of sulphides (pyrrhotine, pentlandite, and chalcopyrite). The banded ironstone is an altered sediment...sperrylite) by P. A. Wagner, Trans. Geol. Soc. South Africa, 1926, vol. 28 (for 1925), p. 110, [Min. Abstr...Denison township, Sudbury district, Ontario (H. L. Wells, 1889); also in chalcopyrite from the neighbouring...Chemical, Metallurgical and Mining Society of South Africa on February 20, 1926,1 and by Dr. P. A. Wagner |  | | Report (issue) | | P62c. a Z = 12 X-ray Powder Pattern: Tweefontein Farm, South Africa. 2.236 (100), 2.194 (100),1.279 (50)...31.40 100.9 100.00 Total 100.5 (1) Tweefontein Farm, South Africa; by electron microprobe, corresponding...Pt-Fe-Cu-Ni alloys, genkinite, platarsite, chromite, chalcopyrite, pentlandite, pyrrhotite, geversite, gold, violarite...Alaska. In Transvaal, South Africa, from Tweefontein Farm, Potgietersrust district, and from the Elephant |  | | Report (issue) | | = 28.112(9) X-ray Powder Pattern: Tweefontein Farm, South Africa. 2.236 (100), 2.194 (100), 1.279 (50)...(3) 31.40 100.5 100.9 100.00 (1) Tweefontein Farm, South Africa; by electron microprobe, corresponding...Pt–Fe–Cu–Ni alloys, genkinite, platarsite, chromite, chalcopyrite, pentlandite, pyrrhotite, geversite, gold, violarite...Distribution: In Transvaal, South Africa, from Tweefontein Farm, Potgietersrus district [TL], and from the Elephant...of Chocó, Cauca, Colombia. At Kambalda, 56 km south of Kalgoorlie, Western Australia. From the Santo |  | | Report (issue) | | Pd8.26 (Sb2.46 As0.54 )Σ=3.00 . (2) Tweefontein Farm, South Africa; by electron microprobe, corresponding...chalcocite, bornite, heazlewoodite, galena, chalcopyrite, pentlandite, valleriite, hauchecornite, parkerite...Ni–Cu–PGE deposit, Yukon Territory, Canada. From Tweefontein Farm, 26 km from Potgietersrus, and at the Onverwacht...Merensky Reef, Bushveld complex, Transvaal, South Africa. From the Oktyabr mine, Noril’sk area, western...deposit, Moorkaie Hill, northeast of Broken Hill, New South Wales. From the Baula conplex, Orissa, India. There |  | | Report (issue) | | deposit. Association: Pyrrhotite, pentlandite, chalcopyrite, violarite, cubanite, bornite, sphalerite, galena... ilmenite, magnetite, gersdorffite, pyrite, chalcopyrite, violarite, millerite, galena, stibnite, argentian...Vermilion [TL], Victoria, and Frood mines, Algoma district, near Sudbury, Ontario. In the USA, at the New...the Key West mine, east of Moapa, Bunkerville district, Clark Co., Nevada; and from the Stillwater complex...Merensky reef, Transvaal, South Africa, fine crystals from the Tweefontein Farm, near Potgietersrus; also |  | | Show/Event (guide) | | Tucson, AZ 85705 in the center of the Mineral District. The mineralogy section of the mim today hosts...Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania. 14.5 x 5.5 x 3.5 cm...Väyrynenite. Lolu Dahku mine, Roundu Valley, Skardu District, Gilgit-Baltistan, Pakistan. 14.5 x 3 x 2 cm,...Stibiotantalite. Urandu mine, Shigar Valley, Shigar District, Gilgit-Baltistan (Northern Areas), Pakistan,...downstream of Ritchie, Northern Cape Province, South Africa. 3 x 3 x 3 cm, mim specimen #2199: Perfect octahedral |  | | 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 |  | | Book (edition) | | reduced to metal state). Left (top): Ag-rich chalcopyrite in contact with gustavite (Ag-containing Pb-Bi-sulfide)...left and right side of the image); possibly, chalcopyrite was enriched in Ag through solid state diffusion...ilmenite or extra Fe in Cu-sulfides, such as chalcopyrite. 11 Exsolution (continued) This process presents...Right: Cross-like sphalerite exsolution (grey) in chalcopyrite matrix (yellowish). Right: Patchy, almost myrmekitic...intergrowth of sphalerite (medium grey) and chalcopyrite (yellow); black smoker. Right (bottom): Fibrous |  | | Book | | townsend, Curator, Geological Museum, Johannesburg, south Africa ^ max wiebel, Professor, Swiss Federal Institute...PIETERS, dealer and collector, Windhoek, south-west Africa ^ karel tucek, Director of Minerals, National...Greenland; and Sydney Pieters, Windhoek, South-West Africa. For the modern collector, the source of rare...material. There was a time when dealers employed local buyers stationed in the country where the material...remove elements from, other crystals. A crumbling chalcopyrite specimen may not be reacting to old age; the | | | Book | | Curator, Geological Museum, Johannesburg, SOUTH AFRICA ¥e MAX WIEBEL, Professor, Swiss Federal Institute...PIETERS, dealer and collector, Windhoek, SOUTH-WEST AFRICA }€ KAREL TUCEK, Director of Minerals, National...Greenland; and Sydney Pieters, Windhoek, South-West Africa. For the modern collector, the source of rare...material. There was a time when dealers employed local buyers stationed in the country where the material...the University of Witwatersrand, Johannesburg, South Africa, and the Wells Fargo Bank Museum, San Francisco |  | | Book | | talc vug in 1997, is 1.7 cm long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals...and pegmatitic environments. In the mid- l 970s, local historian-collector William J. Brunet set out to...was a site on what was known in 1887 as the Yale Farm, about two miles northeast of the town of Litchfield...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...which they called the Bentley Lake Road occurrence, south of Bancroft. Sharp, flattened rhombohedral ilmenite |  | | Journal (volume) | | in Rhodesia Asbestos in Rhodesia Asbestos in South Africa Asbestos in Tasmania Ashanti Mine, Falls of...Barbadoes, Oil Prospects in 43 (m.ii.) Barberton District, Geology of 377 Barnes, W., Iron Ore in the Midiands"...and Iron in Manchuria Coal in Queensland Coal in South Australia Coal Resources of the Empire Coalfield...Proprietary Shares •» W. E. Walnwrlflit Broken Hill South Mine ... Brown, R. Oilman, What are Ore RaMnres...) Diamond, Formation of Diamonds, Output in South Africa Dolcoath Dolcoath, Conditions at Dolcoath Meeting |  | | Journal (volume) | | Andes Copper Co., Financing the Anthracite Mines in South Russia Aramayo Francke Mines Arizona Copper Armstrong...Arsenic-Silver Metallurgy (m.d.) A$besto$ in South Africa A. L. Hall Asbestos in the Transvaal (m.d.)...British Science Guild Exhibition 137 British West Africa Corporation Report 126 Broken Hill Block 10 Report...Steel Works -.(m.South 2OO Broken Hill South 3.V..V..V.. Report 61 Broken Hill Strike...'ar)>onate« G. L. .^Men (m.d.t.... 253 Flnor Siwr ill South Africa (m.d.l 185 Frnseh Sulphur-Mining Patent^ im |  | | Journal (volume) | | Copper Refiniug (ni.d.) Africa, Central, Development of African Taxation, South Alaska Treadwell Disaster...Anglo-Continental Mines Dividend Antimony in New South Wales Antimony in Queensland (7ii,d.) Antimony Ores...Proprietary's Steel Works, Expansion at"!.!! Broken Hill South Silver Report Broomassie Mines Liquidated PAGE...Ferreira Deep Fertilizer Problems Flin-Flon Copper District Flotation, Bibliography of, Lyon, Ralston, and...Swaziland Alluvial Tin (m.d.) Gas, Natural, in Nev7 South Wales Geduld Deep Geduld Proprietary Mines 152 |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the sequence North and South America and Greenland, then Europe, Asia, Africa, Australia, and Antarctica)...pegmatitic origin in the same sequence: North and South America and Greenland, then Europe, etc. For some...Hill and Slim Buttes areas, both Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co ...Germany, with xanthiosite as a furnace product at the South Terras mine, St.Stephen-in-Brannel, Cornwall, England |
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