| Jaguin, Justine, Boulvais, Philippe, Poujol, Marc, Bosse, ValĂ©rie, Paquette, Jean-Louis, Vilbert, David (2013) Albitization in the Antimony Line, Murchison Greenstone Belt (Kaapvaal Craton): A geochemical and geochronological investigation. Lithos, 168. 124-143 doi:10.1016/j.lithos.2013.01.010 | Journal (article/letter/editorial) | com/locate/lithos Albitization in the Antimony Line, Murchison Greenstone Belt (Kaapvaal Craton): A geochemical...2013 Available online 14 February 2013 Keywords: Murchison Greenstone Belt Antimony Albitization Archean...Kaapvaal Craton a b s t r a c t The 3.09â2.97 Ga Murchison Greenstone Belt is one of several Archean volcano-sedimentary...volcano-sedimentary belts within the Kaapvaal Craton in southern Africa. Among the diverse ore deposits found within the...in western Africa (BĂ©ziat et al., 2008), in Australia (Witt, 1992), and in the Murchison Greenstone Belt | | | Book (edition) | Southern Africa a Collectorâs Guide â Rocks, Minerals and Gemstones of Southern Africa & â - ... T ~ '' .rats en&nes L of Southern Africa A Collectorâs Guide - Struik Publishers (an operating...suggestions and advice. Authorâs Preface Southern Africa has much to offer the amateur geologist, whatever...best plan is to take local advice wherever you are. 9 In small places try the local police station first...usually helpful and will know it there are any local gem clubs and how to get in touch with them. There | | | Report (issue) | textures of the massive stibnite ore. A combination of local geochemical aureoles of gold, antimony, and arsenic...producers of this type of deposit are Republic of South Africa, Bolivia, Russia, China, and France. These gold-antimony...deposits within a 20 km long zone in Murchison Range, South Africa. As much as 83 tons of gold were recovered...incorporated from a series of papers and books on South African, Australian, Yakutian gold-antimony deposits...as tens to hundreds times crustal abundance. Age Range Archean to Mesozoic; strata-bound and stratiform | | | 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 âhandbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; | | Giuliani, Gaston, Groat, Lee A., Marshall, Dan, Fallick, Anthony E., Branquet, Yannick (2019) Emerald Deposits: A Review and Enhanced Classification. Minerals, 9 (2) 105 doi:10.3390/min9020105 | Journal (article/letter/editorial) | Precambrian series in Eastern Brazil, Eastern Africa, South Africa, Madagascar, India, and Australia, and younger...River; 16: Lened; 17. Tsa da Gliza. South Africa: 18. Gravelotte. Zimbabwe: 19. Sandawana, Masvingo,...spectraâ. Quantitatively, Cr and V substitutions range between 25 [6] and 34,000 ppm [11] for Cr and from...[18], the Muzo mine in Colombia [1], the Mohmand district in Pakistan [1], and Eidswoll in Norway [13]....between 2 and 6 ppm, while Cr-V concentrations range between 100 and 1000 ppm. At the Coscuez emerald | | Hazen, R. M., Golden, J., Downs, R. T., Hystad, G., Grew, E. S., Azzolini, D., Sverjensky, D. A. (2012) Mercury (Hg) mineral evolution: A mineralogical record of supercontinent assembly, changing ocean geochemistry, and the emerging terrestrial biosphere. American Mineralogist, 97 (7) 1013-1042 doi:10.2138/am.2012.3922 | Journal (article/letter/editorial) | 2005). The worldâs largest Hg deposit, the AlmadĂ©n district of central Spain, is representative of concentrations...reworking of the mercury-hosting rocks of the AlmadĂ©n district (primary mineralization 427â380 Ma) led to at...west-central California. This important mining district, including the New AlmadĂ©n mine in Santa Clara...in the literature. For example, the Hg mining district of Pike County, Arkansas, is hosted in Carboniferous...but we have been unable to find a reliable age range for the subsequent Hg mineralization. Several mercury | | | Book | ..... 58 3.2.7 Maranda J, Murchison belt, Northern Province, South Africa ........... 59 VIII Table................ 62 3 .2.8.1 Letneye, Dombarovsk District ....................................................... 62 3.2.8.2 Komsomolskoye, Mednogorsk District ...................................... 64 3.2.8.................... 65 3.2.8.6 Bakr-Tau, Baimak District, Bashkirian Republic ....................... 66............................ 68 3.2.9.3 Dry River South and Balcooma, North Queensland ................ | | | Report (issue) | France Colombia: Gonzalo Jara of Bogota, Colombia Africa: Federico Pezzotta from the Natural History Museum...Giuliani Africa: Egypt, Nigeria, Tanzania, . . . . . . . . .52 Mozambique, Zambia, Zimbabwe, South Africa...before Columbus, emeralds were mined and traded in South America, which enjoys its own emerald tradition...zone in the Muzo Coscuez-Pefias Blancas mining district. They are disseminated in black shales or albitized...emeralds must undertake adventurous trips to Africa, Asia or South America. In the United States, the only | | | Book (volume) | Papers and Discussions Volume I , I JOHANNESBURG SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY 1961... 01", ~TALLUf>iYY. © Copyright 1961 by The South African Institute of Mining and Metallurgy Ext'racts...I (1v DEC 196f Printed in t!te Republic of South Africa by Hortors Limited, Johannesburg V r. 1 The...and n1anagement of the gold mining industry in South Africa -C. B. ANDERSON . . . . . . . . . page r J ... ( 2. The economy of the Union of South Africa-W. J. BusSCI-IAU 9 3. An introduction to the physical | | | Report (issue) | Australia Dermot Henry Page 78 Beryl from Southern Africa Bruce Cairncross Page 84 Brazilian Beryl Luiz Menezes...It occurs in magnificent crystals and in a wide range of beautiful colors, the more common of which have...·pH2 O, where R+ represents the alkali ions; n can range from O to 1; and p from 0.2 to 0.8. Feklichev (1963)...lengths of 3 meters, as have those at Tin Mountain, South Dakota. 4m: Beryl crystals have reached 4 meters...weighed almost 24 tons. 8.7m: In Jackalswater, South Africa, the largest beryl crystal recorded was 8.7 | | | Book | Struik Nature (an imprint of Penguin Random House South Africa (Pty) Ltd) Reg. No. 1953/000441/07 The Estuaries...Century City, 7441 PO Box 1144, Cape Town, 8000 South Africa Visit www.randomstruik.co.za and join the Struik...published edition, 2015: Penguin Random House South Africa (Pty) Ltd Publisher: Pippa Parker Managing editor:...Hatfield Campus, University of Pretoria Pretoria, South Africa Dr Lynnette Greyling Department of Geological...Town Private Bag X3 Rondebosch 7701 Cape Town, South Africa Note: The authors and the publishers cannot | | | Journal (issue) | .......................... 269 EMERALDS IN SoUTH AFRICA ............... :.................................................. AM0SITE OCCURRENCE IN SOUTH AFRICA ..............................................plans to spend one week of this period in the sunny south as a guest of Mr. and Mrs. Horace W . Slocum, of...in the township of Strafford, the first on the south peak of Percy Peaks and the other, in a drift on...r c y Quadrangle is north of the President 191 Range and has a number of peaks over 3,000 feet high, | | | 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) | known to occur with compo itions over the entire range. The statement âąÂ·compare with ... âąâą means that...Gennanium Gold Hafnium Helium Holmium Al Sb A As Ba Be Bi B Br Cd Ca C Ce Cs Cl Cr Co Cu Dy Er Eu F Gd... 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...Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de | | | Journal (article/letter/editorial) | India, Madagascar, Namibia, Nigeria, Pakistan, South Africa, Spain, Tanzania, the United States, and Zimbabwe...Canada, the Muzo mine in Colombia, the Mohmand district in Pakistan, and Norway. Beryl has a wide stability...abandoned tin deposit near Emmaville in northern New South Wales in 1890 (compositions of Australian emeralds...al., 2002). Australia's most productive emerald district is a 10 km2 area around the village of Poona in...Mariinskoye (Gavrilenko et al., 2006). 127. South Africa, Transvaal (Kovaloff, 1928). 128. Tanzania (Gavrilenko | | | Journal (article/letter/editorial) | 1993). with magnetite, e.g.,in the Murchison antimony belt, South Africa(Pearton andViljoen,1986). Mineral...andthe conditions of deposition. fromthe Seiniijoka district,Finland(Borodaev et al., 1983), Stibnite,ashasalreadybeennoted...andtheAlpha-Gravelotte mine,South Interestingly, theprincipal mineral associations onthedeposit Africa (Abbot...sericite, barite, fluorite, kaolinitc, and Murchison, South Africa Boococket al. (1988) Silica-carbonate...Nativeantimony or gudmundite dominant Seiniijoki district,Finland PiiakkOnen (1966),Balitsky et al. (1976) | | | Book | Jewelry, 146 Breastplate of the High Priest, 144 South America, Beryl in the Bible, 80 Emerald and 140...Derivations of Names and Portugal, 490 Republic of South Africa, Romania, 549 601 Yugoslavia, 485 Pakistan... 445 Greenland, India, 500 Republic, South West Africa 445 Ghana, Inner Somali 443 Germany...gemstone pebbles, is also known in from Colors range from paler varieties of beryl that accompany the...highly-esteemed, Tavernier went shipped from South America to to the Far East and on to suggest | | Hazen, R. M., Bekker, A., Bish, D. L., Bleeker, W., Downs, R. T., Farquhar, J., Ferry, J. M., Grew, E. S., Knoll, A. H., Papineau, D., Ralph, J. P., Sverjensky, D. A., Valley, J. W. (2011) Needs and opportunities in mineral evolution research. American Mineralogist, 96 (7) 953-963 doi:10.2138/am.2011.3725 | Journal (article/letter/editorial) | resource will incorporate software to correlate a range of mineral occurrences and properties vs. time,...minerals from numerous localities; and (3) to pose a range of unanswered questions related to Earthâs changing...In the case of sulfur isotopes, changes in the range of ÎŽ34S values with time have been linked to the...Schroeder et al. 2008). Temporal changes in the range of â33S (âÎŽ33S â 0.515ÎŽ34S) have been tied to changes...permil of zero, combined with an expansion in the range of variability for ÎŽ34S, is interpreted to reflect | | | Journal (article/letter/editorial) | mineral deposits to pigeonhole or classify the wide range of mineral deposits. Some provided a general overview...and may get swiftly out of fashion. In the wide range of features that may be useful to deïŹne mineral...Ca(UO2)2(PO4)2·12(H2O) Ca2MgAl2(BO3)Si4O12(OH) Cu3(CO3)2(OH)2 ZrO2 (Ba,Sr)(Nb,Ti)2(O,OH)7 BaSO4 2Ca(SO4)·H2O (Ce,La)(CO3)F...5)O10(OH)2·n(H2O) Cu7Hg6 BaTiSi3O9 Ag8Sb0.5As0.5Te2S3 Ca,Mg,Mn7(Ba,Sr)6(CO3)13 Be2(BO3)(OH,F)·(H2O) Fe2Al(Si,Al)O5(OH)4...CaCO3 Na6Ca2Al6Si6O24(CO3)2 Ag8SnS6 (Ca,Na)(Sr,Ce,Ba)(CO3)2 Tl2S KMgCl3·6 (H2O) K2(UO2)2(VO4)2·3H2O Co2CuS4 | | | Journal (article/letter/editorial) | mineral deposits to pigeonhole or classify the wide range of mineral deposits. Some provided a general overview...and may get swiftly out of fashion. In the wide range of features that may be useful to deïŹne mineral...Ca(UO2)2(PO4)2·12(H2O) Ca2MgAl2(BO3)Si4O12(OH) Cu3(CO3)2(OH)2 ZrO2 (Ba,Sr)(Nb,Ti)2(O,OH)7 BaSO4 2Ca(SO4)·H2O (Ce,La)(CO3)F...5)O10(OH)2·n(H2O) Cu7Hg6 BaTiSi3O9 Ag8Sb0.5As0.5Te2S3 Ca,Mg,Mn7(Ba,Sr)6(CO3)13 Be2(BO3)(OH,F)·(H2O) Fe2Al(Si,Al)O5(OH)4...CaCO3 Na6Ca2Al6Si6O24(CO3)2 Ag8SnS6 (Ca,Na)(Sr,Ce,Ba)(CO3)2 Tl2S KMgCl3·6 (H2O) K2(UO2)2(VO4)2·3H2O Co2CuS4 | | | Book | culture, derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric...becomes FeCOy This now becomes a new mineral, siderite (p.155). Silicate minerals form a large part of...unlimited as in the plagioclases or in magnesi te-siderite. Even the law of balancing charges is sometimes...size of crystal (barely 0.2 carat) shown below. South Africa. Below right Coarsely foliated graphite. Rap;edara...tetrahedrite coated with chalcopyrite, with foliated siderite and calcite crystals. Clausthal, Harz Mts., Germany | | Bortnikov, N. S., Gamynin, G. N., Vikentâeva, O. V., Prokofâev, V. Yu., Prokopâev, A. V. (2010) The Sarylakh and Sentachan gold-antimony deposits, Sakha-Yakutia: A case of combined mesothermal gold-quartz and epithermal stibnite ores. Geology of Ore Deposits, 52 (5) 339-372 doi:10.1134/s1075701510050028 | Journal (article/letter/editorial) | AuâSb deposits of the Kwekwe district in the greenstone belt of South Africa, Central and Armori can massifs...Indolev et al., 1980) juxtaposed in the same orelocal izing structural units. It has been suggested that...to the craton. As a result, a small bay of the South Anyui ocean was closed; thrust faults were formed;...metamorphism are enriched in Sn and host quartzâsiderite veinlets with Agbearing galena (Amuzinsky et...Arsenopyrite Sericite Dickite Pyrophyllite Paragonite Siderite Markasite Pyrite Quartz Ankerite Mineral Table | | | Journal (issue) | ago, the best diamonds were said to come from South Africa, with the origin being a type of synonym for...GGTL, NGTC and LFG, among others. More than 200 local attendees and 150 international participants joined...colored he added that the âcollective effort of the local âmothergemâ gemstones, and more than just a mining...opportunities for of initiatives including assistance to local schools and a clinic illegal activities, often...Blossomingâ as well as conservation efforts in Africa. Among amethyst from the Kariba mine, covering | | | Book | Corporation of South Africa, the Chair of Economic Geology at Rhodes University, South Africa, and since...appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of Geosciences...which has included work in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific...Felsic Phase of the Bushveld Igneous Complex, South Africa . . . . . . . . . . . 4.3.6 The Sn-W Deposits.... . . . . . . . 4.4.4 Sabie-Pilgrimâs Rest, South Africa . . . . . . . . . . . . . . . . . 4.4.5 Capricorn | | | Book | of collection size, universal, regional, and/or local significance of material, scientific and/or educational...available for exchange. Open to the public: No. South Australian Museum North Terrace, Adelaide SA 5000...Monday to Friday 9:00 to 17:00. University of South Australia Department of Geology, Smith Road, Salisbury...Queensland Museum Grey St., South Brisbane, QLD 4101; postal address: P.O. Box 3300, South Brisbane, QLD 4101...Queensland Gold collection, including crystal gold; South East Queensland Iris Agate collection. Uses and |
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