| | Report (issue) | ........................ 19 ABSTRACT Gold-stibnite-quartz vein deposits and stratiform disseminated-veined...of high purity gold (940-1,000 fineness) with stibnite and berthierite; ductile deformation of ore veins;...granoblastic foliated textures of the massive stibnite ore. A combination of local geochemical aureoles...Republic of South Africa, Bolivia, Russia, China, and France. These gold-antimony deposits are less common in...antimony deposits (C.Y. Wang, 1952) DESCRIPTION Stibnite, berthierite, gold (940-1000 fineness), aurostibite | | | Journal (article/letter/editorial) | resources arederived fromh)?ogene deposits of stibnite which formmainlyat temperatures between150øand300øC...(an unlikelyoccurrence) in orderto saturate with stibnite,whereasat temperatures <250øCstibnitemay precipitate...decreases precipitously withf% across thekermesite-stibnite boundary for a widerangeof pH (--...theevolumon thanrealgar,the corresponding analogue to stibnite. tributeanimproved deposits andotherdeposits in...reflecting higher S-O comprise native antimony, stibnite, gudmundite fo.â˘orfs.â˘thangudmundite. It is foundmostcommonly | | Jaguin, Justine, Boulvais, Philippe, Poujol, Marc, Bosse, ValĂŠrie, 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) | Rennes - UMR CNRS 6118, OSUR, 35042 Rennes Cedex, France UMR CNRS 6524, Laboratoire Magmas et Volcans, UniversitĂŠ...UniversitĂŠ Blaise Pascal, 63038 Clermont-Ferrand Cedex, France a r t i c l e i n f o Article history: Received...Line 2.97 (2) D MONARCH 3.23 (1) 2.97 (4) GRAVELOTTE (1) Poujol et al., 1996 >2,90 (1), âĽ2.92 (5)...leucogranite Silwana amphibolites Cap Town 200km La France Formation Proterozoic cover (Transvaal) Mashishimale...sedimentary rocks of the MGB to the generic name of Gravelotte Group, subsequently divided into Formations described | | | Journal (article/letter/editorial) | H20-CH&02-NaCl system during emerald mineralization at Gravelotte, Murchison Greenstone Belt, Northeast Transvaal...A~~t-~~d evolution during emeraId inception at the Gravelotte emerald mine has been studied by mi~~e~ornet~...and a later phase of regional me~mo~hism. THE GRAVELOTTE AREA LIES along the southern margin of the Archean...theories have been advanced for the genesis of the Gravelotte emeralds ( ROBB and ROBB, 1986; GRUNDMANN and...emerald mineralization. Up to a few years ago the Gravelotte Emerald Mine (GEM) in this area accounted for | | 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) | mindat.org records more than 300 separate mercury mines, prospects, dumps, placers, and other localized...KĹĂbek et al. (2009) FR01 France Roua Mines, Alpes Maritimes, Provence-Alpes-CĂ´tes dâAzur Sarp et al....Provence-Alpes-CĂ´tes dâAzur Cathelineau et al. (1990) FR03 Pelvoux Mtn, Hautes Alpes, Provence-Alpes-CĂ´tes...Gasquet et al. (2010) FR04 Allemont, Isère, RhĂ´ne Alpes Feybesse et al. (2004) GE01 Georgia Gomi As-Sb-Hg...Berger et al. (1978) RU03 Privolânoye and Gal-khaya Mines, Saha Rep., Eastern Siberian Region Parfenov et | | Jaguin, J., Poujol, M., Boulvais, P., Robb, L. J., Paquette, J. L. (2012) Metallogeny of precious and base metal mineralization in the Murchison Greenstone Belt, South Africa: indications from UâPb and PbâPb geochronology. Mineralium Deposita, 47 (7) 739-747 doi:10.1007/s00126-012-0422-7 | Journal (article/letter/editorial) | OSUR, UniversitĂŠ Rennes 1, 35042 Rennes Cedex, France e-mail: justine.jaguin@gmail.com L. J. Robb Department...Magmas et Volcans, 63038 Clermont-Ferrand Cedex, France Greenstone Belt are contemporaneous and that the...Antimony mineralization occurs in the form of stibnite and berthierite associated with pyrite and arsenopyrite...exhalative origin, such as Letaba, Gravelotte, Monarch and United Jack mines; 2. disseminated sulfide ores...different types: (1) mineralization associated with stibnite and berthierite in carbonaceous rocks (AL); (2) | | | Journal (article/letter/editorial) | range in transparency and zoning. (a) 29GRVB, Gravelotte, South Africa, IR = 1; (b) 98LL, Lorelei, South...examined to evaluate Re loss from weathering. Gravelotte, South Africa Morenci Mine, AZ %BR*wt %Re IR...pegmatites and a Cu- The albitite pegmatite at Gravelotte is at the contact between Archean tonalitic gneiss...of 2040 Ma from a pegmatite 35 km southeast of Gravelotte may or may not reflect the emplacement age of...molybdenite crystals from Precambrian pegmatites at Gravelotte and Xamchab, South Africa, with approximate ages | | | Journal (article/letter/editorial) | hydrothermal fluids and precipitation mechanism of stibnite-gold mineralization at the Wiluna lode-gold deposits...wallrock and breccia fragments, whereas stage 2 gold-stibnite is located in massive shear veins and breccia...fracture-ďŹll and in banded-colloform textured veins. Stibnite-gold orebodies only occur in some of the deposits...microthermometric and laser-Raman analysis on stibnite-bearing quartz veins and breccias reveal that...degree of stibnite undersaturation, and caused stibnite to precipitate. The deposition of stibnite reduced | | | Journal (article/letter/editorial) | question has been discussed in connection with stibnite deposits containing scheelite and with stratabound...stratabound scheelite occurrences free of stibnite (partially containing molybdenum, beryllium or gold). The...The age and genesis of the stibnite occurrences near Schlaining in the Burgenland, Austria (within the...located between the stratabound, Early Paleozoic stibnite/cinnabar-scheelite deposits of the Eastern Alps...auch das bekannte groBe Antimonitvorkommen yon Gravelotte in der Murchison Range in Nordost-Transvaal/Siidafrika | | | Book (edition) | these may help with problems of identification. Mines vary in their recep tion of amateurs. Most are...should be borne in mind that searching in disused mines can be dangerous; likewise, caves may be unsafe...attached list of working mines. The geological map of Namibia which shows the mines and also farm boundaries...or possibly few and far between. Localities of mines or formations of specific geological interest are...half a metre in length, have been found in copper mines at Okiep and Messina; they are often encrusted with | | | Book | and Prof. R. W. Hutchinson (Colorado School of Mines, Golden, USA) for their critical and constructive................. .40 3.1.4 Vaulry, Haute Vienne, France ............................................................... 41 3 .1.5 Charrier, Allier, France .....................................................Clochettes, Lautaret, Hautes Alpes, France ................................. 86 3.4.9 Saint-Martin-la-Sauvete District...District, Loire, France ................................. 86 3.4.10 Kutna Hora, Czech Republic ..... | | | Journal (article/letter/editorial) | east (Anhaeusser, (e.g., the Havelockand Msauli mines). In addition, 1969, 1972). it occurs in differentiatedultramafic...Eeden et al. Rhonda,Hmardick, United, and Mlimo mines,occur (1955) recordedchromitite layers in serpentinites...million ouncesof silver coming from about20 large mines. Phaup (1964) showed, for example,that in the areaaroundGatooma... ./' I AFRICA SOUTH I MORE IMPORTANT GOLD MINES ⢠à 100000-500 000 ouncesgoldand over + 10...from three mines (Sheba, Consort, Fairview), whereas99.3percentof thetotalcamefrom45 mines (the balance | | 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) | Combined Mesothermal GoldâQuartz and Epithermal Stibnite Ores N. S. Bortnikova, G. N. Gamynina, O. V. Vikentâevaa...alteration near stibnite veinlets. Two stages of lowsulfide goldâquartz and stibnite mineralization are...the early milk white quartz in orebodies with stibnite mineralization at the Sary lakh and Sentachan...deposits. In the late regenerated quartz that attends stibnite mineralization, fluid inclusions contain an aqueous...well as in coarse, medium, and finegrained stibnite varieties subjected to dynamometa morphism. The | | | Journal (article/letter/editorial) | Witwatersrand Chamber of Mines in 1889, the forerunner of the Chamber of Mines of South Africa (COM), whose...being produced from 830 opencast and underground mines and quarries in South Africa. Of these workings...smaller mineralized areas have supported some 150 mines at one time and another (Pretorius 1974). In a world...Morocco, USA, RSA, CIS USA, China, Brazil, Norway, France CIS, Australia, Brazil, Canada CIS, Australia,...production, caused mainly by plant closures on the gold mines in response to low world uranium prices. Examination | | | Journal (issue) | Associate Editors Pierre Bariand Sorbonne Paris, France Joel A. Bartsch Houston Museum of Nat. Sci. Houston...Schwab Orleans, France Associate Photographers Nelly Bariand Sorbonne Paris, France Dan Behnke Northbrook...Campania, Italy Synthetic Sphalerite Pontpean, France Harz Mountains, Germany * The symbol + indicates...crystal drawing of a twinned crystal from Pontpean, France (from Lacroix, 1897). these drawings, and superimposing...reported and figured such crystals from Pontpean in France (Fig. 22), while N iggliâs Tabellen (1927) includes | | | Book (edition) | REPUBLIC DEPARTMENT OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC...Afrikaans i 40509-1 Street, DEPARTMENT OF MINES Secretary W. P. Viljoen, B.A. GEOLOGICAL SURVEY...particularly from the following: 3 The Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator...Within the Department of Mines acknowledgement is due to the Secretary for Mines, the Government Mining...detailed information regarding mineral occurrences and mines than was the case in the 4th edition, the Mineral | | | Book | found and smelted. Remains of Bronze Age copper mines can be found, for instance, in various parts of...(amphiboles), acicular ('needle-like'), _feathe,:y (stibnite), bladed, iathlike (kyanite, Pl. 33, p. 157),...be altered in the same Pi..ATE 7 Stibnite and cinnabar L!ft Stibnite. Both crystals are longitudinally...can also concentrate on one or a few particular mines but only if these are being worked at the time and...hand lens with 10 X magnification. Quarries and mines are the best places to visit, but it is usually | | | Book (volume) | particular reference to the Rustenburg Platinun1 Mines-C. B. BEATH, C. A. COUSINS and R. J. WESTWOOD ....European labour on mines, members of the Transvaal and Orange Free State Chamber of Mines-V. C. ROBINSON...labour on the gold mines-}. A. GEMMILL l 289 20. Accident prevention on gold mines, members of the Transvaal...Transvaal and Orange Free State Chamber of Mines-E. G. STOKES 307 :/ I :;,~, 21. Pneumoconiosis-a review-A...MATHEWS 339 -~'3' Vl 23. Brackish waters of the mines of the Orange Free State Goldfields-R. H. BRYSON | | | Book (edition) | (island), Vole. (volcano), Penin. (peninsula), St. (Saint), Ste. (Sainte). Recent developments in many countries...Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite Sn2 /â˘O6'OH) 14Cl 1,, (3.D). Trigona]...dolerite at St.-Pandelon, near Dax, Landes dept., France, also at Karakat, Karamazar Mts., Tajikistan. BM...from talc in the Trimouns open pit, Ariege dept., France. Dokl. Earth Sci. 142, 107, 1962. Aeschynite-(Nd)...Collina. Gem1:my.at Val d' Ajol. Vosges dept., France, at Gro etopro\'..Tuscany.andin colorlessCl)1stal~at | | | Book (edition) | Chakhmouradian (Canada), Pierre-Jacques Chiappero (France). G. Daxner (Austria). M. Dcliens (Belgium). Giancarlo...(ltaly). Stefano Merlino (ltaly), Yves Mo!:lo (France), E.11. ickcl (Australia), Milan NovĂĽk (Czech Republic)...(ltaly). Werner H. Paar (Austria). Gian Carlo Parodi (France). Marco Pa ero (ltaly). Igor Pekov (Russia), atale...(Japan), William B. Simmons (USA). C.J. Stanley (UK). France ca Stasi (ltaly). Tony Steede (Canada). Ricardo...MPO,MCO;)iS'¡o 2 )O, trig., Poudrene quany, Moni Saint-Hilaire, Rouville County, Quebec, Canada. New Mins | | | Book (volume) | 488 495 497 497 498 499 Sandstone Formation of Saint Copper-bearing Triassic Sandstones in New Mexico...The Silver-Lead Mines of Santa Eulalia, Chihuahua, Mexico The Sierra Mojada Silver Mines, Mexico Epigenetic...Institute of Mining Engineers. New York. Annales des Mines. Paris. Geologiska Foreningens i Stockholm Forhandlingar...districts miniers de la chaine de 1'Oural.' Journ. d. Mines. 1859, TL, p. 313. Th. Tschernyschew: 'Guidebook...the official report of the company operating the mines : Mn O 4 3 ................. Cu ............ | | | Book | minerals are local stone quarries, abandoned shafts, mines, slag heaps, sand pits and clay fields, road and...eAssociated m inerals; realgar (5), cinnabar (76), stibnite (51) ⢠Occurrence: rare; Ratcha Luchumi - Caucasus...Associated minerals: orpiment (4), cinnabar (76), stibnite (51), ores of As, Ag, Au⢠Occurrence: rare; Allchar...hydrothermal, secondary sulphide⢠Associated minerals: stibnite (51 ), senarmontite (93), valentinite (94), stibiconite... Sedimentary deposits are in tertiary rocks in France and Italy, in the vicinity of Salzburg (Austria) | | | Book | minerals are local stone quarries, abandoned shafts, -mines, slag heaps, sand pits and clay fields, road and...Associated minerals; realgar (5), cinnabar (76), stibnite (51) e Occurrence: rare; Ratcha Luchumi â Caucasus...Associated minerals: orpiment (4), cinnabar (76), stibnite (51), ores of As, Ag, Aue Occurrence: rare; Allchar...hydrothermal, secondary sulphide e Associated minerals: stibnite (51), senarmontite (93), valentinite (94), stibiconite... Sedimentary deposits are in tertiary rocks in France and Italy, in the vicinity of Salzburg (Austria) | | | Journal (article/letter/editorial) | Stephanite Stevensite Stibiconite Stibiopalladinite Stibnite Stilbite-Ca Stilleite Stilpnomelane Stokesite...mineralizations in each section, of mines in operation or abandoned mines is not free from the personal view...depositsâ from the Richelsdorf, area Germany, whose mines have been shut down since quite a long time. Mining...artifacts and archeometallurgical relics of abandoned mines make a contribution to the cultural heritage of...Cross sections through the Creighton and Levak Mines of the Sudbury Complex. The Winning of Nickel, 1967 | | | Journal (article/letter/editorial) | Stephanite Stevensite Stibiconite Stibiopalladinite Stibnite Stilbite-Ca Stilleite Stilpnomelane Stokesite...mineralizations in each section, of mines in operation or abandoned mines is not free from the personal view...depositsâ from the Richelsdorf, area Germany, whose mines have been shut down since quite a long time. Mining...artifacts and archeometallurgical relics of abandoned mines make a contribution to the cultural heritage of...Cross sections through the Creighton and Levak Mines of the Sudbury Complex. The Winning of Nickel, 1967 |
|