 | | Journal (article/letter/editorial) | | of native gold and electrum, the gold telluride calaverite may well be the most important gold ore mineral...development of all other Colorado gold districts. Unlike most gold deposits, weathering of those characterized...fine-grained and dull, mustard-colored secondary gold that is disbursed as tiny particles as the individual...most exciting gold occurrences are either dominated by or contain significant amounts of gold tellurides...tellurides. Sylvanite, another important gold telluride, was featured in a previous Connoisseurâs Choice (Cook |  | | Book (edition) | | I. Groves Potassic Igneous Rocks and Associated Gold-Copper Mineralization Fifth Edition Mineral Resource...Groves ⢠Potassic Igneous Rocks and Associated Gold-Copper Mineralization Fifth Edition 123 Daniel...association of these rocks with major epithermal gold and porphyry gold-copper deposits. Even more recently, there...copper-gold (IOCG) deposits, intrusion-related gold deposits (IRGDs) and even Carlin-type gold deposits...variety of both arc-related and non-arc gold and copper-gold deposits, worldwide. About one-third of |  | | Journal (article/letter/editorial) | | Occurrences of Native Tellurium from Epithermal Gold Deposits in Japan Masataka Nakata1 and Kosei Komuro2...occurrences of native tellurium in the epithermal gold ores from Teine, Kobetsuzawa, Mutsu, Kawazu, Suzaki...mineral species. The other telluriferous epithermal gold deposits not in association with native tellurium...ores and alteration envelopes. Keywords: epithermal gold deposit, EPMA, Iriki, Kawazu, Kobetsuzawa, Mutsu...Telluriferous minerals found in some epithermal gold deposits of the Japanese Islands are native tellurium |  | | Journal (article/letter/editorial) | | and telluridesâbearing carbonate veinlets; (4) realgar and 22 fluoriteâbearing carbonate veinlets; (5)...veinâtype Au mineralization, and 25 to the postâore, realgarâbearing veinlets in the country rocks display a...area in the Jiurui district is a CuâAu skarn ore field in the western part of the MLYRB. Two types of mineralization...the widespread lowâtemperature assemblages of realgar, orpiment, calcite (fluid inclusion data of 189â210°C)... grading 5.0 g/t Au (Xie et al., 2019). In the field, carbonate country rocks are crosscut by serici |  | | Journal (issue) | | RESIDUES Containing GOLD, SILVER, PLATINUM, COPPER, TIN, ZINC, LEAD REFRACTORY GOLD CONCENTRATES etc .... Geological specially Standard Wedge Pattern Field Hammers: No. 1 (2 lb.)J No. 2 (It lb.), No. 3 (1...Surveys, 1947-56 '' (Bulletin SupplementNo. 2) . 72 Fiji ⢠⢠⢠⢠⢠⢠British Solomon Islands Protectorate...geologists with specialised knowledge of a particular field to investigate from time to time the geology of...detailed investigation involving two months of field work in the Basement System of Kenya during the |  | | Journal (issue) | | Somaliland Protectorate . British Territories in Borneo Fiji . . . ⢠⢠⢠. ⢠. ⢠. 423 . British...2nd Ed. B y W. D. Wright . . . 464 Metalliferous Mine Surveying. 4 t h Ed. B y F. Winiberg, revised and...specimens collected. Sketch maps were made in the field, and the data from these were later transferred...and structure of the island than many hours of field work could have done. I n most places the collecting...Introduction THIS PAPER attempts to survey the whole field of palaeomagnetism for the guidance of those geologists |  | Plotinskaya, O. Yu., Groznova, E. O., Kovalenker, V. A., Novoselov, K. A., Seltmann, R. (2009) Mineralogy and formation conditions of ores in the Bereznyakovskoe ore field, the Southern Urals, Russia. Geology of Ore Deposits, 51 (5) 371-397 doi:10.1134/s1075701509050031 | Journal (article/letter/editorial) | | Formation Conditions of Ores in the Bereznyakovskoe Ore Field, the Southern Urals, Russia O. Yu. Plotinskayaa...June 1, 2009 AbstractâThe Bereznyakovskoe ore field is situated in the BirgilâdaâTomino ore district...district of the East Ural volcanic zone. The ore field comprises several centers of hydrothermal mineralization...(tellurideâbase-metal, with enargite, fahloreâtelluride, and gold telluride substages); and late ore (galenaâsphalerite)...predominance of NaCl. The mineral zoning of the ore field is expressed in the following change of prevalent |  | | Catalog/List | | Design and minors in History and Geology. Kevin has field-collected mineral specimens at hundreds of localities...Colorado, azurite and malachite in Jerome, Arizona, gold in Wickenburg, Arizona, and wulfenite, mimetite...add to his collection through mineral shows and field exploration and has personally owned and sold specimens...a collection of gold aurei and solidi representing every Roman and Byzantine Emperor from 44 BC to 1000...Ward Minera! on QUARTZ RHODOCHROSITE District Mine. Climax Climax olTolg-Yole Lake. County. ncredibly |  | Millonig, Leo J., Beinlich, Andreas, Raudsepp, Mati, Devine, Fionnuala, Archibald, Douglas A., Linnen, Robert L., Groat, Lee A. (2017) The Engineer Mine, British Columbia: An example of epithermal Au-Ag mineralization with mixed alkaline and subalkaline characteristics. Ore Geology Reviews, 83. 235-257 doi:10.1016/j.oregeorev.2016.12.023 | Journal (article/letter/editorial) | | homepage: www.elsevier.com/locate/oregeo The Engineer Mine, British Columbia: An example of epithermal Au-Ag...Roscoelite Vanadium a b s t r a c t The Engineer Mine epithermal precious metal deposit in British Columbia...style of epithermal mineralization at the Engineer Mine we conducted detailed petrographic, mineralogical...studies. The principal ore assemblage of the Engineer Mine epithermal veins precipitated in response to boiling...meteoric water. Based on these results the Engineer Mine is classified as an epithermal low-sulfidation deposit |  | | Journal (article/letter/editorial) | | as much time as possi ble in the field, we signed up for two field tripsâa premeeting trip to northeastern...e d . Figure 2: Visitors at Gongchangling iron mine, Anshan, Liaoning Province. Upon our arrival at...Shenyang in Liaoning Province to begin our first field trip. Out of the seven registrants for the trip...met A i Yongde, a Chinese geol ogist working on gold deposits in Inner Mongolia, who was our very competent...whom were to be with us for the remainder of the field trip. After dinner in a downtown hotel, we strolled |  | | Book | | Papua-New Guinea (speci fically Bougainville), and Fiji. Cyprus, Ceylon, the Philippines, and Japan are...27 Tasmania 13 New Zealand 2 Bougainville.... 1 Fiji 1 New Caledonia... 2 46 102 At the head of each...Boettcher, T. J. Casadevall, Peter Deines, D. P. Gold, D. M. Kerrick, M. L. Keith, A. W. Rose, C. P. Thornton...50, p. 164-168 Heim, Î., 1 9 3 4 , The molybdenum mine at Azegour: Soc. Econ. Geol., v. 29, p. 76-83..., Allanite et epidote dans des corneennes de la mine d'Azegour, Haut-Atlas: Serv. Geol. Maroc. Notes |  | | Journal (issue) | | crystal cluster on matrix, 6 cm tall, from the Tsumeb mine, Tsumeb, Namibia. Sandor Fuss collection (2004)...Vug,â discovered on the 12th level of the Cresson mine, Cripple Creek district, Colorado in 1914 (see âThe...kaolinite; sacked and shipped it yielded up to $16,000 in gold per ton (at 1914 prices). In âthe cave of sparkling...walls, interspersed with thumbnail-size leaves of gold. In one month 1,400 sacks of crystals and flakes...carefully scraped from the walls, bringing $378,000 in gold values from the (ouch) smelter. One specimen seen |  | | Journal (article/letter/editorial) | | On March 24, 1769, the museum was visited by Emperor Joseph II, officially there as an incognito tourist...abolish the Jesuit Order. On June 14, 1785 the Emperor, by now King of Hungary as well, presented eight...duchy of Lorraine/Lothringen), the Emperor since 1745, died. As Emperor he was succeeded by his eldest son...Museum"), where the huge mineral collection bought by Emperor Francis I from the Florentine collector Giovanni...be located (Wilson 1994). Born was a miner and a mine-oriented mineralogist. Thus, he not only taught |  | | Journal (article/letter/editorial) | | 95, 2000, pp. 495â516 The Nature and Genesis of Gold-Silver-Tellurium Mineralization in the Metaliferi...and the country has a very long history of mining. Gold has been mined in Romania since pre-Roman times...Romania, an area also known as the âgold quadrilateralâ or âgold quadrangleâ (Ianovici and Borcos, 1982;...than 1,000 metric tons (t) of gold and ranks as the richest epithermal, gold-producing region of equivalent...Mitchell, 1996; Foster, 1997). In addition, these gold deposits have achieved mineralogical fame because |  | | Journal (issue) | | Georgia, Lukhumi, where the splendid specimens of realgar and orpiment are discov ered at the antimony deposit...long as it knows gold and silver, because platinum was found during mining of gold placers. Platinum...pre-Colombian South America knew its alloys with silver and gold, as well as its native form'. He also cited technology...before Inca invasion. The legend tells about a 'gold-plated man' or a 'golden king' (ÂŤel hombre doradoÂť...country, rich as in fairy tale and literally full of gold. A legend was born near the sacred lake Guatavita |  | | Journal (article/letter/editorial) | | scientific analysis of artistsâ pigment is not a new field of research; indeed, it predates most modern science...historical periods has become a well-established field of research and an important aspect of forensic...result of natural acid rock drainage (NARD) and acid mine drainage (AMD) which tend to revert to goethite...treated) and size (if not overly ground). A good field knowledge of the character and mineralogy of preserved...preserved particle size (if not overly ground). A good field knowledge of the character and mineralogy of ochre |  | | Catalog/List | | extremely ine, specimens from the Mammoth-St. Anthony Mine of Tiger, Arizona: now a vanished place alive only...potential mineral buying area, or go into another mine. He travelled to areas that had seen few Americans...alone someone hunting crystals. He went to Bolivia, Fiji, Ethiopia, Rhodesia, and many other places. Given...Atacama Desert to collect Underground Nikolaevskiy Mine, Dalnegorsk, Russia, 1993. "RPG," Artigas, Uruguay...collection that he donated to the Neto and Ed Swoboda to mine University of Arizona RRUFF Project. Another was |  | | Report (issue) | | AMONGPYRRHOTITE,PYRITE,MAGNETITE,AND CHALCOPYRITE IN GOLD-SATURATED CHLORJDESOLUTIONSAT 600 TO 700 °C, 140...of the Iron Mask.batholith which, on the buis of field observation,have ~ withmiddleto uppercrustalrocks...the ,.._ diorite (Snyder 1994) and porphyry copper-gold deposi1I. inclediag Afton and Ajax mines (Cur &...Stanley1995). the Pothook diorite and, based on field ofIlleID(llagy of lhe badiolithcan observations...breviations afterKretz( 1983) magma come from field observations and chemical and laboratory measurements |  | | Journal (article/letter/editorial) | | December 2006 Geology of the Sari Gunay Epithermal Gold Deposit, Northwest Iran* JEREMY P. RICHARDS,â Department...Canada V6T 1Z4 Abstract The Sari Gunay epithermal gold deposit is located within a mildly alkaline latitic...reminiscent of shallow-level (â¤1.5-km depth) porphyry gold systems. Paragenetically later quartz-tourmaline...inclusions. These fluids do not appear to have deposited gold, but the breccias provided further structural permeability...later mineralizing epithermal fluids. Invisible gold occurs in solid solution in fine-grained arsenical |  | Liu, Yuan, Li, Sheng-Rong, Santosh, M., Xu, Hong, Li, Chang-Ping, Liu, Shunhao (2019) Ore-forming physicochemical conditions of tellurium-gold deposits: A case study from the Guilaizhuang deposit, eastern North China. Geological Journal, 54 (4) 2400-2418 doi:10.1002/gj.3303 | Journal (article/letter/editorial) | | Oreâforming physicochemical conditions of telluriumâgold deposits: A case study from the Guilaizhuang deposit...Beijing, Beijing, China 3 Telluriumâgold deposits differ from normal gold mineralization in their significant...between Au and Te. The Guilaizhuang gold deposit is a major telluriumâgold deposit in the Shandong Province...tellurium, Guilaizhuang Mining Company, Shandong Gold Conglomerate, Pingyi, Shandong, China Correspondence...quartzâpyrite stage, goldâpolymetallic sulfide stage, goldâtelluride stage, and carbonate stage. The goldâtelluride |  | | Book (edition) | | Golden Clutha a floor of white quartz stones nets gold for the dredges and provides material unlimited...raised as continents. Down Westland way pebbles of gold have been found on river-course and seashore as...deeper work it will not lie useless underfoot. The gold-pan sufficed last century, now geigers, bulldozers...gems have seldom eye-appeal when viewed in veldt or mine. Some of our rockhounds, poking about where cataracts...gorges are your best bets. Remember that even rich gold, if very fine, shows no glitter except under a good |  | | Book | | Collectio Mineralium The catalog of Holy Roman Emperor Leopold IIâs mineralogical collection edited by... Collectio mineralium The Catalog of Holy Roman Emperor Leopoldâs II Mineralogical Collection edited by... Collectio Mineralium : the catalog of Holy Roman Emperor Leopold IIâs mineralogical collection / edited...Collectio mineralium. The Catalog of Holy Roman Emperor Leopoldâs II Mineralogical Collection, Š 2022 Author(s)...to mention his deep involvement in the broader field of scientific museology. For these reasons, I greatly |  | | Book | | 1umankind since prehistoric times such as quartz 1nd gold, but also ~minerals first described quite :ecently...Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...electronics, electrical engineering, ingredient in gold alloys. 9 Silver Ag CUBIC â˘â˘â˘ Properties: C...100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...electronics. Gold, 48 mm, El Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US |  | | Report (issue) | | "Whatever is gold does not glitter. A gentle radiance belongs to the Friedrich Nietzsche, The Wanderer...Front cover top: 5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin...photo Left: A wall of gold bricks in the Federal Reserve Bank of New York's gold vault Photo Robert Gambee...Crystallized gold from Canada Private collection; Jeff Scovil photo extraLapis English No. 5 Gold The Noble...edition in the English language of extraLapis No. 2 Gold with permission of Christian Weise Verlag, Munich |  | | Journal (issue) | | Beryozovsk, Adun-Chilon, and the Zmeinogorskii mine appear to be represented the most completely and...mines), malachite (the Gumeshevskii mine), crocoite (the Beryozovskii mine), jasper (Orsk), and others. Large...the museum is that of J .K. Freiesleben, a Saxon mine broker (1774-1846). It contains minerals from classic...collected by museum staff members during their field trips. In addition to minerals from the abovementioned...from the Demidov family, the former owners o f the mine) are also present here. Jasper and rhodonite end |
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