 | | Journal (article/letter/editorial) | | adularia-sericite epithermal deposits: constraints from the Broken Hills deposit, Hauraki Goldfield, New Zealand Helen...# Springer-Verlag 2012 Abstract The 7.1 Ma Broken Hills adularia-sericite Au–Ag deposit is currently...The opaque minerals include pyrite, electrum, acanthite (Ag2S), sphalerite, and galena, which are common...the Hauraki Goldfield and elsewhere worldwide. Broken Hills ores also contain the less common minerals aguilarite...petrovskaite occur with high-fineness electrum. Broken Hills is the only deposit in the Hauraki Goldfield |  | | Journal (article/letter/editorial) | | has been an important industry in the economy of Nevada, the Silver State, since territorial times (1861)...area and created the state (1864). There are 526 mining districts in the state, 60 of which produce nonmetallic...ores (Tingley 1998). Three major mining booms have occurred in Nevada: 1860-1880 (Comstock and other silver...precious-metal mining with the development of low-grade, large-tonnage mines. I n 1997 Nevada ranked first...percent, respectively, of total U.S. production. Nevada also produced 148 million pounds of copper, 4 percent |  | | Journal (article/letter/editorial) | | 31 December 2014 NEVADA MINERAL STEVEN PULLMAN 1755 Circle Drive NW Reno, Nevada 89509 RICHARD THOMSSEN...THOMSSEN P.O. Box 1656 Carson City, Nevada 89702 Map showing Nevada counties, by William W.Besse. N evada...year. Nevada is one of the few western states without a published state mineralogy; thus, mineral collectors...collectors are aware of its mineral specimen wealth from only a few well-known and collected localities,...reasonably expect to obtain a specimen in the current mineral market. We have chosen not to include commercial |  | Christie, A. B., Simpson, M. P., Brathwaite, R. L., Mauk, J. L., Simmons, S. F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102 (5) 785-816 doi:10.2113/gsecongeo.102.5.785 | Journal (article/letter/editorial) | | Martha and 700 m at Karangahake. Electrum and acanthite are the main ore minerals, although pyrite, sphalerite...produced the least amount of Au and Ag. Epithermal mineral deposits in the Hauraki goldfield evolved through...Coromandel volcanic zone. C. Regional geology and mineral deposits. D. Structural features of the Coromandel...(2003) and added new data sets for mineralogy, mineral chemistry, geochronology, fluid inclusions, and...distribution of minerals and vein textures. Mineral Production Mining history Alluvial gold was discovered near |  | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA Peer Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU... UNIVERSITY Reno & Las Vegas OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...otherwise noted Map of Mining Districts and significant mineral occurrences of Nevada by Nevada Bureau of Mines...Cataloging-in-Publication Data Castor, Stephen B, Minerals of Nevada / Stephen B. Castor and Gregory C. Ferdock.— Ist | | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA STEPHEN B. CASTOR and G R EGOR Y C . F E R D OC K l NEVADA BUREAU...association with the UNIVERSITY OF NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved...-Publ ication Dat,i Castor, Stephen B. Minerals of Nevada/ Stephen B. Castor and Gregory C. Ferdock.- rst |  | | Journal (article/letter/editorial) | | 40Ar/39Ar age of 8.29 ± 0.25 Ma, adularia from the Broken Hills deposit gives a preferred 40Ar/39Ar age of 7...duration of hydrothermal mineralization in the Waihi district, and (3) evaluate working hypotheses for the integrated...K-Ar a 14.1 Ma Waiomu K-Ars 10.8 Ma 37° S Broken Hills Ohio Creek Ar-Ar a 7.1 Ma 37° S Re-Osmo 12...goldfield (from Christie et al., 2007). D. Location of mineral deposits in the Hauraki goldfield, vein orientations...(2004), and this publication. Subscripts show the mineral that was dated: a = adularia, i = illite, mo = |  | | Journal (article/letter/editorial) | | Rafael Mine Downloaded by [Laurentian University] at 10:24 05 October 2014 Nye County, Nevada MARTIN...Riverview Circle Reno, Nevada 89509 mineralpro@hotmail.com TONY NIKISCHER Excalibur Mineral Company 1000 N....HERRMANN Lithosphere Minerals 2331 Ruddy Way Sparks, Nevada 89441 lithosphereminerals@yahoo.com 96*2:...noted, all mineral photos by Tom Loomis of specimens from his collection he San Rafael mine, in north...north central Nevada, is a relatively little known, yet prolific, collecting locality that has produced the |  | | Journal (article/letter/editorial) | | (Ag3AuS2) or petrovskaite (AgAuS), or a mixture of acanthite (Ag2S) with uytenbogaardtite or uytenbogaardtite...uytenbogaardtite or petrovskaite, or a mixture of acanthite with uytenbogaardtite or uytenbogaardtite with...covered with black crusts of silver sulfide: acanthite (Ag2S). The study of the chemical composition...petrovskaite (AgAuS) (Nesterenko et al. 1985). Mineral assemblages with these Au-Ag sulfides were found...Nazareno, Pongkor (Greffie et al. 2002), and Broken Hills (Cocker et al. 2013), and, therefore, their |  | Kullerud, Kåre, Kotková, Jana, Šrein, Vladimír, Drábek, Milan, Škoda, Radek (2018) Solid solutions in the system acanthite (Ag2S)–naumannite (Ag2Se) and the relationships between Ag-sulfoselenides and Se-bearing polybasite from the Kongsberg silver district, Norway, with implications for sulfur–selenium fractionation. Contributions to Mineralogy and Petrology, 173 (9) 71 doi:10.1007/s00410-018-1500-3 | Journal (article/letter/editorial) | | ORIGINAL PAPER Solid solutions in the system acanthite (Ag2S)–naumannite (Ag2Se) and the relationships...Sebearing polybasite from the Kongsberg silver district, Norway, with implications for sulfur–selenium...polybasite have been discovered at the Kongsberg silver district. The seleniumbearing minerals occur in two samples...samples from the northern part of the district, forming either single or polyphase inclusions together...nearly the complete compositional range between acanthite (Ag2S) and naumannite (Ag2Se). For the data |  | | Journal (article/letter/editorial) | | 2014 Abstract—The chemical compositions of acanthite, naumannite, and associated ore minerals have...detected: S in naumannite (0–2.9 wt %), Se in acanthite (0–7.45 wt %), argyrodite (~4.8 wt %), and galena...has been established that Ag sulfoselenides of acanthite series were formed later then naumannite but in...DOI: 10.1134/S1075701515040066 INTRODUCTION Acanthite, Ag2S, naumannite, Ag2Se, and Ag sul foselenides...are typical of these minerals. Paramorphs of acanthite after argentite and naumannite after its hightemperature |  | | Journal (article/letter/editorial) | | the FeS2-AuxAg1–x system at 500 °C. Pyrrhotite, acanthite, and uytenbogaardtite and Au-Ag alloys with increased...Introduction Pyrite is the most well-known and widespread mineral of the iron sulfides. It is a common constituent...blocks and Au-Ag alloys contained pyrrhotite, acanthite-, and uytenbogaardtite phases and Au-Ag alloys...alloys was calculated without account of sulfur. Acanthite and uytenbogaardtite form the structures of solid-solution...of Au-Ag sulfides well discriminated by color: acanthite (gray) and uytenbogaardtite (light gray). It is |  | | Journal (article/letter/editorial) | | demonstrates that structural control in an epithermal mineral deposit may originate from a number of different...actual structural controls of vein formation and of mineral deposition have received less attention (e.g.,...in this environment. The world-class Martha Hill mine in the Hauraki goldfield of New Zealand (Figs. 1...state of structural information in the Martha Hill mine up to 1994, as presented by Cargill (1994), and...style towards the now-exposed deeper levels of the mine similar to the downward disappearance of microcrystalline |  | | Report (issue) | | over 60years since P.G. Morgan's "Minerals and Mineral Substances of New Zealand" was published, as NZ...He also included, as Mineral Substances, a number of materials (e.g. coal, mineral waters, oil shale) which...do not fall within the strict definition of a mineral. Most of these have been described, many in considerable...Economic Geology of New Zealand (Williams 1974a) and Mineral Deposits of New Zealand (Kear, 1989), and the Geological...only a few localities are known for a particular mineral, all are mentioned, but on the other hand no attempt |  | | Report (issue) | | Selenium Chapter Q of Critical Mineral Resources of the United States—Economic and Environmental Geology...Sample is from the Buckskin National Mine, Humboldt County, Nevada. Photograph by Peter Vikre, U.S. Geological... Selenium By Lisa L. Stillings Chapter Q of Critical Mineral Resources of the United States—Economic and Environmental...Seal, R.R., II, and Bradley, D.C., eds., Critical mineral resources of the United States—Economic and environmental...............................................Q26 Mine Waste Characteristics.......................... |  | | Book | | authoritative published archives of data for the mineral collector and specimen-oriented mineralogist that...fl. Fluorescent, or fluoresces H History of Mineral Collecting (vol. 25, no. 6) All dimensional notations...Phosphates; 24/#2, Greenland; and 25/#6, The History of Mineral Collecting) are paginated independently, but following...ARIZONA-IV ] 1-102 [ 17 / 1986 [ ONTARIO] NEVADA] [ 16 / 1985 [ 65-128 265-328 261-336 209-272...GREENLAND] HMC0 ] 1-264 •MINERAL MUSEUMS OF EASTERN EUROPE 0 HISTORY OF MINERAL COLLECTING Tlir M/11,ru/1111/ml |  | Tauson, Vladimir, Kravtsova, Raisa, Makshakov, Artem, Lipko, Sergey, Arsent’ev, Kirill (2017) Contrasting Surficial Composition of Native Gold from Two Different Types of Gold Ore Deposits. Minerals, 7 (8) 142 doi:10.3390/min7080142 | Journal (article/letter/editorial) | | as well as a mixture of uytenbogaardtite with acanthite (Ag2 S). The rims were about 20 µm thick, their...returned ages of 80.5 ± 0.2 Ma [18]. The basic mineral composition of ores is as follows: quartz (up to...to 90–95% modal), adularia The basic mineral composition of ores is as follows: quartz (up to 90%–95%...(1–3% modal). Pyrite is the most frequent ore mineral. It accounts for up to 95% of and ore minerals...(1%–3% modal). Pyrite is the most frequent ore mineral. It accounts for up to 95% of the ore mineralization |  | | Book (volume) | | fossils, Illinois has little to offer gem and mineral collectors, even though the state produces more...Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E |  | | Book (volume) | | fossils, Illinois has little to offer gem and mineral collectors, even though the state produces more...Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E |  | | Journal (article/letter/editorial) | | transported up by the polymictic breccia. Ore mineral precipitation from the magmatic fluid occurred...Introduction The Farallón Negro mining district (also known as Agua de Dionisio district; Peirano 1944; Angelelli...vein system is the most productive epithermal Au–Ag mine in NW Argentina. It is operated by YMAD, a joint...Government of Argentina. During 2012 and 2013, the mine produced 9000 kg of Ag and 700 kg of Au per year...subvolcanic setting. We focus on the geology and mineral paragenesis of the Alto de la Blenda vein system |  | | Report (volume) | | I.M.E., Mining Geology Geophysics Div. Ann. Mtg., Min. Br. Abs.-American Institute of Mining and Metallurgical...Metallurgical Engineers, Mining, Geology,. and Geophysics Division Annual Meeting, Mining Branch Abstracts....New York. A.I.M.E. Trans.-American Institute of Mining, Metallurgical, and Petroleum Engineers Transactions...Quebec. Calif. Dept. Nat. Res., Div. Mines Bull.; Mineral Inf. Service-California Department of Natural Resources...Resources, Division of Mines Bulletin; Mineral Information Service. San Francisco, Calif. Calif. Jour |  | | Book (edition) | | the definitive reference work on every accepted mineral species. However, the amount of information generated...Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...Willard Lincoln. Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere...microanalytical techniques have also been developed for mineral species whose abundance is measured in milligrams | | | Book (edition) | | the definitive reference work on every accepted mineral species. However, the amount of information generated...Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD |  | Wang, Fengxiang, Bagas, Leon, Jiang, Sihong, Zhang, Fuxiang, Liu, Yifei, Chong, Xiaoxiao (2019) Geochronology and ore genesis of the Shuangjianzishan Ag-polymetallic deposit, Inner Mongolia, China. Ore Geology Reviews, 107. 1020-1045 doi:10.1016/j.oregeorev.2019.03.026 | Journal (article/letter/editorial) | | Laboratory of Metallogeny and Mineral Assessment, Institute of Mineral Resources, CAGS, Beijing 100037...and 22 km southeast of the Haobugao Fe– Zn–Ag mineral fields (Fig. 1b, c). The region is considered to...Alteration extends over a wide distance from the mineral zonation and consists of a proximal acidic metasomatism...mineralization display uniform mineral assemblages and textural relationships on the district scale, indicating a...different levels in the underground Shuangjianzishan mine for mineralogical and geochemical studies. Sixteen |  | | Report (volume) | | oil with electric logs: Airphoto interpretation, mineral Hamilton, R. G., 2. reconnaissance: Lueder, D....Geophysical data for geologic Fleischer, M. , 6. Clay mineral investigations, applistudy: Dunlap, R. C. , Jr...G. G., 10. Human relationships in future W. H. mineral procurement: DavidExploration methods, general:...ADDRESSES Continued ADDRESSES Continued Idaho, mineral deposits: Hulin, Mineralogy of uranium: Frondel...the future: Just, E. ing: Burwell, E. B., Jr., 4. Mining geology, retrospect and Index fossils: Stephenson |
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