 | Rainbow, Amelia, Clark, Alan H., Kyser, T. Kurtis, Gaboury, François, Hodgson, C. Jay (2005) The Pierina epithermal AuâAg deposit, Ancash, Peru: paragenetic relationships, alunite textures, and stable-isotope geochemistry. Chemical Geology, 215 (1) 235-252 doi:10.1016/j.chemgeo.2004.06.050 | Journal (article/letter/editorial) | | elsevier.com/locate/chemgeo The Pierina epithermal AuâAg deposit, Ancash, Peru: paragenetic relationships...Misquichilca S.A., Pasaje Los Delfines 159, Lima 33, Peru c Barrick Gold Corporation, 200 Bay Street, Suite...Canada M5J 2J3 Accepted 1 June 2004 Abstract The Pierina high-sulfidation epithermal AuâAg deposit (9826...the main precious-metal hosts. Stage IV bariteâacanthite mineralization shows limited temporal overlap...Elsevier B.V. All rights reserved. Keywords: Pierina; Peru; High-sulfidation; Epithermal; Alunite habit; |  | | Journal (article/letter/editorial) | | Stable-isotope geochemistry of the Pierina high-sulfidation AuâAg deposit, Peru: influence of hydrodynamics...United States Accepted 1 June 2004 Abstract The Pierina high-sulfidation AuâAg deposit formed 14.5 my ago...data imply the following genetic elements for Pierina alterationâmineralization: (1) fluid and vapor...Steam-heated; Magmatic-steam; Pierina; Peru 1. Introduction The Pierina AuâAg deposit ranks as a world-class...al. (this volume) and this study indicate that Pierina exhibits the principal characteristics of high-sulfidation |  | Volkov, A. V., Savva, N. E., Sidorov, A. A., Kolova, E. E., Chizhova, I. A., Alekseev, V. Yu. (2015) The Agan epithermal gold-silver deposit and prospects for the discovery of high-sulfidation mineralization in northeast Russia. Geology of Ore Deposits, 57 (1) 21-41 doi:10.1134/s1075701515010067 | Journal (article/letter/editorial) | | during prospecting in the Central Okhotsk ore district of the OkhotskâChukotka volcanogenic belt (OChVB)...others). This structure is located in the Khasyn district of the Magadan oblast, 100 km from Magadan (Fig...> 1000 t) HS epithermal deposits as Yanaco cha (Peru), Ladolam (Papua New Guinea), and Pueblo Viejo (Dominican...The Arman VTD belongs to the Central Okhotsk, district located in the outer zone of the Okhotsk sector...Marte Cerro Casale El Indio Alto Chicama Yanacocha Pierina Lagunas Norte Gabi La Colosa Pueblo Viejo Country |  | | Report (issue) | | white areas). Sample is from the Buckskin National Mine, Humboldt County, Nevada. Photograph by Peter Vikre...............................................Q26 Mine Waste Characteristics.............................1989). The total U.S. supply was always higher than mine production during this period, with a high of 831...as indicated in fig Q3.) The difference between mine production and total supply was owing to the refineriesâ...of selenium-rich high-grade ores from the Horne Mine at Noranda, Quebec, Canada; by 1950, Canadaâs production |  | | Book | | out of the water first. , .2.t'l UNDERSTAN DING MINE RALS HOVV MINERALS FORM Minerals are the natural...thicker E.g barite, linante. r& iJ NDE RSTA NDING MINE RAL S MI NERAL PROPERTIES: PHYSICAL Every 1nineral...'Malleable' minerals like native copper, gold and acanthite (below) can be harnmered into sheets. 'Sectile'...found by Thomas Cullinan in 1905 at the Premier Mine, South Africa. Gem colours A vivid colour is also...very little in com1non with silver sulphide (acanthite) apart from its silver content. However, it has |  | | Report (volume) | | oh tee seareae 203 The Banska Stiavnica Ore District: Relationship between Metallogenetic Processes...an eae eer 213 Mineralizations at the Rozalia Mine, HodruSa WU cia ORK oderay UPrcicn oa Saly, and...lowsulfidation deposits of the Banska Stiavnica mining district. A high-sulfidation epithermal deposit will be...Stiavnica stratovolcano central zone and Rozalia Mine 18.30-19.30 Dinner 19.30-22.00 Optional visit to...groups: 7.00 - 11.30 Underground visit of the Rozalia mine; disseminated base metal mineralization, base metal |  | | Book | | from blocks that didn't drop. The Basin and Range Province of the south-west USA (right) formed in this way...of molten include southern Africaâs Karoo and Province erupted less than three magma which burns through...and Below: Salt Cellar Tor in England's Peak District is one of several tors in this region. They are...they react in different ways. The way a and acanthite (below) can be hammered into mineral reacts is...Cullinan in 1905 at Cut and carat the Premier Mine, South Africa. For the collector, colour and sparkle |  | | Book (edition) | | SphaJerite. xx 12 mm, Morococha, Peru, H Gypsum, xx 40 mm, Las Salinas, Peru, H Variscite, xx 5 mm, Iturnbiara...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga |  | | Report (volume) | | the resulting Acid Rock Drainage (ARD), or Acid Mine Drainage (AMD) where the sulfides are the waste...Thiospinels FeNi2S4 Pentlandite (Fe, Ni)9S8 Acanthite â Argentite Ag2S Mackinawite FeS Berndtite SnS2...Extensive edge-sharing between tetrahedra. (c) Acanthite, a low-temperature modification of Ag2S (Frueh...and linear S-Ag-S coordinations. Aristotype for acanthite in (c). Crystal Structures of Sulfides & Chalcogenides...Chalcogenides 83 The low-temperature form of Ag2S, acanthite, consists of (010) layers which are distorted |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Magmatic-Hydrothermal History of the RĂo Blanco-Los Bronces District, Central Chile: Development of Worldâs Greatest...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia Clyde A. Leys, Mark Cloos,...N. Moreto, AndrĂ© Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco |  | | Report (issue) | | .B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agencyâs...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011......................F4. Pie chart showing percentage of world cobalt mine production in 2011, by country................. |  | | Book | | particular assemblage of deposit types. âą Metallogenic Province: a region characterized by a particular assemblage...be utilized in issues such as the control of acid mine drainage, and soil and erosion management. Mining...the Earth. The worldâs deepest mine, the Western Deep Levels gold mine near Johannesburg, South Africa...Naldrett, 1989a). komatiites of the Kambalda mining district in Western Australia (see Box 1.5) and elsewhere...lamproites: The Orapa diamond mine, Botswana and the Argyle diamond mine, Western Australia Diamond mining |  | | Book | | socio-environmental impact through the entire life cycle of the mine, it is important to aim at getting it âright ïŹrst...largest gold mill in the world (despite being a copper mine). Concentration of gold by gravity has seen innovation...Mining, Metallurgical, and Petroleum Engineers acid mine-drainage acid neutralizing capacity ammonium nitrate...resin-in-solution roast-leach-electrowinning run-of mine semi-autogenous grinding South African Institute... selective catalytic reduction Sunrise Dam Gold Mine scanning electron microscopy scanning electron |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...regional scale 3D-model of the Skellefte mining district, northern Sweden ..............................VHMS-type deposits, Kristineberg area, Skellefte District, Sweden . . ....................................modelling for VMS exploration in the PyhĂ€salmi district, Central Finland ..............................ore body structural complexities: KDC East Gold Mine, South Africa . . ............................ |  | | Book | | of Canada: A Synthesis of Major Deposit-types, District Metallogeny, the Evolution of Geological Provinces...avec l'editeur. Gold-rich specimen fro1n the Don,e Mine, Tim1nins, Ontario that was presented to GSC in...of Canada A Synthesis of Major Deposit-Types, .District Metallogeny, the Evolution of Geological Provinces...of Canada: A Synthesis of Major Deposit-Types, District Metallogeny, the Evo lution of Geological Provinces...Massive Sulphide Deposits of the Finlayson Lake District, Yukon Jan Pete,; Daniel Layton-Matthews. Stephen |  | | Book (edition) | | followed by Australia, United States, China, and Peru. Total global gold production increased from almost...followed by Australia, Russia, United States, and Peru. Much of Chinaâs production comes from small, distributed...mines dropped off signiïŹcantly, such as Yanacocha, Peru (Newmont Gold), and Driefontein, South Africa (Gold...currently extending to applications in Chile and Peru. An important lesson from all of the major innovations...socioenvironmental impact through the entire life cycle of the mine, it is important to aim at getting it âright the |
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