| | Journal (article/letter/editorial) | Indonesia) and Nazareño (10 Ma; Cordillera Shila, southern Peru) were studied to investigate processes related...was also found locally in association with native silver, as a replacement product of base metal sulfides...West Java, Indonesia, and Nazareño, ShilaPaula district, southern PerĂș, in order to examine the spatial...collected from surface exposures and underground mine levels. The mineralogy was determined from polished...galena, polybasite-pearceite, electrum, and native silver disseminated in a gangue comprising microcrystalline | | Chauvet, Alain, Bailly, Laurent, AndrĂ©, Anne-Sylvie, MoniĂ©, Patrick, Cassard, Daniel, Tajada, Fernando Llosa, Vargas, Juan Rosas, Tuduri, Johann (2006) Internal vein texture and vein evolution of the epithermal Shila-Paula district, southern Peru. Mineralium Deposita, 41 (4) 387-410 doi:10.1007/s00126-006-0068-4 | Journal (article/letter/editorial) | vein evolution of the epithermal Shila-Paula district, southern Peru Received: 28 July 2005 / Accepted:...Springer-Verlag 2006 Abstract The epithermal Shila-Paula AuâAg district is characterized by numerous veins hosted...volcanic rocks of the Western Cordillera (southern Peru). Field studies of the ore bodies reveal a systematic...C., Luis N. Saenz 447-449, Jesus Maria, Lima 21, Peru J. Tuduri ISTO, CNRS-UMR 6113, University of OrlĂ©ans...Epithermal gold . Breccia . Structural control . Peru Introduction Epithermal deposits often occur in | | | Journal (article/letter/editorial) | INTERMEDIATE-SULFIDATION PALLANCATA DEPOSIT, AYACUCHO, PERU Jorge E. GAMARRA-URRUNAGA§ International Minerals...to later open space infill resembles the Shila Paula district (Chauvet et al. 2006). Fluid inclusion petrography...of the system. The core is still undisclosed by mining works, but the available geochemical evidence (logAg/log...below 197 ± 5 ÂșC, but precipitation of residual silver continues through the waning stages of the hydrothermal...epithermal, silver (gold), proustiteâpyrargyrite, pearceiteâpolybasite, acanthite, uytenbogaardtite, Peru Introduction | | AndrĂ©-Mayer, Anne-Sylvie, Leroy, Jacques, Bailly, Laurent, Chauvet, Alain, Marcoux, Eric, Grancea, Luminita, Llosa, Fernando, Rosas, Juan (2002) Boiling and vertical mineralization zoning: a case study from the Apacheta low-sulfidation epithermal gold-silver deposit, southern Peru. Mineralium Deposita, 37 (5) 452-464 doi:10.1007/s00126-001-0247-2 | Journal (article/letter/editorial) | Apacheta low-sulfidation epithermal gold-silver deposit, southern Peru Received: 28 May 2001 / Accepted: 31...in the Shila district, 600 km southeast of Lima in the Cordillera Occidental of Arequipa Province, southern...southern Peru. The vein mineralization is found in Early to Middle Miocene calc-alkaline lava ïŹows and volcanic...responsibility: O. Christensen Keywords Epithermal gold-silver Ă Peru Ă Andes Ă Boiling A.-S. AndreÌ-Mayer (&) Ă...Cedimin S.A., Luis Saenz 447â449 Jesus Maria, Lima 21, Peru Introduction Hydrothermal processes linked to mineralization | | Carrino, T. A., Crosta, A. P., Toledo, C. L. B., Silva, A. M., Silva, J. L. (2015) Geology and Hydrothermal Alteration of the Chapi Chiara Prospect and Nearby Targets, Southern Peru, Using ASTER Data and Reflectance Spectroscopy. Economic Geology, 110 (1) 73-90 doi:10.2113/econgeo.110.1.73 | Journal (article/letter/editorial) | Chapi Chiara Prospect and Nearby Targets, Southern Peru, Using ASTER Data and Reflectance Spectroscopy Thais...70910-900 BrasĂlia â DF, Brazil Abstract Southern Peru contains several small- and medium-sized epithermal...analysis using the fuzzy logic technique. Introduction Peru is the main gold-producing country in Latin America...2009; Fig. 1A). Conversely, the southern region of Peru has been known for its Au-Ag (± base metals) epithermal...1995), Selene (~14 Ma, Acosta et al., 2008), Shila, Paula (~11â10 Ma, Chauvet et al., 2006), and Arcata | | Carrino, Thais Andressa, CrĂłsta, Alvaro Penteado, Toledo, Catarina LabourĂ© Bemfica, Silva, Adalene Moreira (2015) Unveiling the hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reflectance spectroscopy, geochemical and petrographic data. Ore Geology Reviews, 64. 299-315 doi:10.1016/j.oregeorev.2014.07.012 | Journal (article/letter/editorial) | hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reflectance spectroscopy, geochemical and...hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reïŹectance spectroscopy, geochemical and...hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reflectance spectroscopy, geochemical and...hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through T reflectance spectroscopy, geochemical...and petrographic data RI P ABSTRACT Southern Peru contains important epithermal Au-Ag (± base metals) | | | Journal (article/letter/editorial) | (Ag3AuS2), fischesserite (Ag3AuSe2), an unnamed silver chloride (Ag2Cl), and unnamed Ag±Au minerals. Uytenbogaardtite...predominantly epithermal, AuâAg deposits in USA, Peru, Russia, Indonesia, and New Zealand (Barton et al...pyroclastic units in the area and showed that the mine is hosted in flow-banded and spherulitic Broken...intensely hydrothermally altered in the vicinity of the mine, although the original igneous spherulitic and flow-banded...between the two units is at approximately 100 masl at mine level 4 and dips towards the SE (Moore 1979). Obsidians | | | Journal (issue) | cover Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection;...cover: (above) Stock certificate for the Silver King Mining Company (1878) Dick Morris collection (below)...(below) Stock Certificate for The Total Wreck Mining & Milling Company (1881) Dick Morris collection This...Deborah Polman Flagg Mineral Foundation Members Les & Paula Presmyk Michael Fleeman Kenneth Rippere Aaron Flynn... considering the historic importance of copper mining in Arizona, native copper would be the logical | | | Journal (issue) | p. 258 COVER: COPPER, 8.3 cm, from the Central mine, Keweenaw County, Michiganâconsidered by some to...DVD wilensky Fluorite, Huanzala mine, Dos de Mayo Province, Peru. Wilensky Fine Minerals 14 Longview...Arkenstone John Lucking Wallace Mann Mark Pospisil Les & Paula Presmyk Alex Schauss The Seaman Mineral Museum...within a skarn complex on privately owned patented mining claims which cover the mountainâs top, upper sides...and Other Minerals from the Mammoth-St. Anthony mine, Tiger, Pinal County, Arizona Chapter authors: Les | | | Journal (issue) | with Mimetite on Barite 5.1 cm, from the Rowley mine, Maricopa County, Arizona. Dick Morris collection;...Certificate (only one known) for The Red Cloud Gold & Silver Mining Company (1880) Mark Hay collection Introduction...Steve Mas]ansky Dale Armstrong Bill Besse Bisbee Mining and Historical Museum Paul & Barbara Matt Lauren...Marcus Origlieri Ronald J. Peilar Tony Potucek Les & Paula Presmyk Alex Schauss Jeff Scovil Dave Shannon Frank...explore literally thousands of mineral occurrences, mine dumps and abandoned mines in the public domain administered | | | Journal (article/letter/editorial) | scientifically interesting minerals owe much to the mining industry that extracted these resources for commercial...mines operated by the Copper Queen Consolidated Mining Company, Bisbee, Cochise County, ca. 1910, showing...Figure 2 (above). Morenci mine, Greenlee County, a typical open-pit copper mine. Courtesy of Phelps Dodge...31 Aurichalcite 79 mine 10 Azurite Bisbee â 1 Morenci mine â 5 Barite Magma mine 24 Calcite Bisbee â...Anthony mine (Tiger) â 4 Cerussite Bisbee, Cole Shaft mine â 1 Flux mine 16 Grand Reef mine â 3 MammothâSt | | | Journal (article/letter/editorial) | galenaspecimens from different ore depositsfrom 48 mining districtsin Chile are presentedhere (Fig. 1). The...strata-boundbodies (see Wellmer et al., 1983, for the El Toqui mine). PreviousWork on Pb Geochemistryin the Central...and igneouslead. They see goodevidence Tertiary silver vein mineralization. locallyfor crustalmixingprocesses...southern existingduringCretaceoustime. Importanthydro- Peru they founda nonradiogenic Pb fingerprintfor thermalzonesrelatedto...late Cenozoic lavas which was like that for the Arequipa massif.However, Barreiro and Clark (1984) tismare | | Chinchilla, DarĂo, Ortega, Lorena, Piña, RubĂ©n, Merinero, RaĂșl, Moncada, Daniel, Bodnar, Robert J., Quesada, Cecilio, Valverde, Antonio, Lunar, Rosario (2016) The Patricia ZnâPbâAg epithermal ore deposit: An uncommon type of mineralization in northeastern Chile. Ore Geology Reviews, 73. 104-126 doi:10.1016/j.oregeorev.2015.10.026 | Journal (article/letter/editorial) | quartz, pyrite and arsenopyrite, (2) base-metal and silver stage; characterized by sphalerite (6 to 15 mol...(Sillitoe, 2010), and it further reappears in southern Peru (Los Chancas, Cotabambas, Antapaccay, and Ataspaca...1b). Geographically, it occurs in the TarapacĂĄ Province, I RegiĂłn, Chile, at latitude 19Ë81'S and longitude...carried out by Herencia Resources Plc over historical mine workings that date back to the nineteenth century...century. These historic workings focused on silver mining and consist of more than 1800 m of underground galleries; | | | Journal (issue) | Chile âą 998-3873_CL summary Mining: Opportunities and Challenges The mining industry is going through a...billion for the current decade. Chile, Brazil, and Peru lead this scenario with amounts of US$75, US$58...One-sided changes in mining taxes. Metal price increase has resulted in higher profit for mining companies and...profits. In this sense, it is necessary to highlight Peru example, where the issue was addressed through dialogue...in mind that, further than the current boom, the mining industry is a cyclical activity. âą Relations with | | | Book | fR/^PI5C0%ubUc library lineral Wealth and Colonial Mining and Metallurgy in Spanish America edited by Alan...Loro pyramid in the Batan Qrande region, northern Peru. It was assembled from a gold mask, biconical forehead...Quest of Mineral Wealth Aboriginal and Colonial Mining and Metallurgy in Spanish America edited by Alan...quest of mineral wealth: aboriginal and colonial mining and metallurgy in Spanish America / edited by Alan...depicting a means of mixing mercury with comminuted silver ore in patio process, Guanajuato, Mexico, early | | | Journal (issue) | BARITE 13 cm, from Jebel Ouichane, Sagangane, Nador Province, Oriental Region, Morocco. Doug Fiske collection;...Euclase, 2.3 cm, from the GachalĂĄ mine, GuaviĂł-GuatĂ©que mining district, BoyacĂĄ Department, Colombia. Gail...photo. Fluorite with quartz, 11 cm, from Fujian Province, China. Keith & Diane Brownlee collection; Joe...cm, from Stak Nala, Haramosh Mountains, Skardu district, Gilgit-Baltistan, Pakistan. Zach Goodman collection;...from Katlang, Mardan Dist., Khyber Pakhtunkhwa Province, Pakistan. Jeff Starr collection; Joe Budd photo | | | Journal (article/letter/editorial) | of the Florida Canyon deposit, BongarĂĄ district, northern Peruâ Saulo Batista de Oliveira, Caetano Juliani...deposit for gold exploration in southern Gansu Province, central ChinaâYongquan Li, Dehui Zhang, Nan Yang...Metallogenesis of the Totoral LCT rare-element pegmatite district, San Luis, Argentina: A reviewâMiguel Ăngel Galliski...exploration for the Dehua gold orefield of Fujian Province, SE ChinaâPei Ni, Su-Ning Li, Tan Bao, Wen-Yan...of orogenic gold deposits in southeast Guizhou Province, China: Constraints from Re-Os and He-Ar isotopic | | Zhang, Jian, Huang, Wenting, Liang, Huaying, Wu, Jing, Chen, Xilian (2018) Genesis of the Jianzhupo SbâPbâZnâAg deposit and formation of an ore shoot in the Wuxu ore field, Guangxi, South China. Ore Geology Reviews, 102. 654-665 doi:10.1016/j.oregeorev.2018.09.026 | Journal (article/letter/editorial) | South China is the largest deposit in the Wuxu district and is hosted by Devonian limestone and mudstone...al., 1993; Zhao et al., 2016). In the Jianzhupo mine, weak SbâPbâZnâAgâSn mineralization (cassiteriteâsulfide)...and 5). Stage II JSCQ veins represent the primary mining target in the Jianzhupo deposit. They generally...160, 0, and â30 m) within the Jianzhupo deposit mine and an exploration drill hole ZK300-1. Thirty thin...mineralization in deep drill holes within the Jianzhupo mine (Wan et al., 2016) supports the existence of felsic-magma-related | | | Journal (article/letter/editorial) | [University of Cambridge] at 13:45 04 June 2016 MINE Figure 1 (above left). Looking north along open... he Red Cloud mine is one of the world's classic mineral localities. Ever since mining began there in...of mining for silver. Over the past century, however, a lot of effort has been put into this mine by...the discovery of one of the best pockets from this mine. The current owners, including Wayne Thompson and... I 113' I 112' 11. Location The Red Cloud mine is located approximately 42 miles north of Yuma | | | Journal (article/letter/editorial) | MINERALS Figure 1. Wulfenite, Defiance mine, Cochise County. Les and Paula Presmyk specimen, 6 cm wide; Jeff...order, the Defiance mine, the Glove mine, the Hilltop mine, the MammothâSt. Anthony mine (Tiger), the Old...Yuma mine, the Red Cloud mine, the Rowley mine, the Silver BillâMystery mines, and the 79 mine (fig....(Wallace 2012) elaborates on the history of each mine and shows a wider diversity of photographs that...the consensus ânine-bestâ (Red Cloud, Defiance, Silver BillâMystery, Old Yuma, Rowley, Hilltop, and Glove | | | Journal (issue) | from land, sea, and air, and two different gold mining operations. Some of you may recall Continued on.................................... 3 The Madison Mine, Madison, Carroll County, New Hampshire: An Addendum...either of these great presentations! The Madison Mine, Madison, Carroll County, New Hampshire: An Addendum...article on the Madison mine, Madison, Carroll County briefly describing the mining history and experiences...I made a sketch map showing the location of the mine pit in relation to the dumps, old mill site, and | | | Show/Event (guide) | Major Tourmaline mines, and the Ouro Preto Topaz Mine Jeff Scovil Travels in Brazil John Saul The...Origin of Gem Deposits in Supercontinent Cycles Paula Crevoshay Richard Freeman Monte Zajicek Brian Cook...Thomas Nagin Illuminations: Gemstones as Art Jonas Mine Tourmaline Discovery Hunting Colombian Emeralds...and Paraiba Tourmaline Adventures in Bolivia and Peru DALLAS MINERAL COLLECTING SYMPOSIUM With a larger...ofMining Culture in China vs. the West The lack of a mining culture in China like that which developed in Europe | | Montoya-Lopera, Paula, Levresse, Gilles, Ferrari, Luca, Luca Rizzo, Andrea, Urquiza, Santiago, Mata, Luis (2020) Genesis of the telescoped Eocene silver and Oligocene gold San Dimas deposits, Sierra Madre Occidental, Mexico: Constraints from fluid inclusions, oxygen - deuterium and noble gases isotopes. Ore Geology Reviews, 120. 103427 doi:10.1016/j.oregeorev.2020.103427 | Journal (article/letter/editorial) | Journal Pre-proofs Genesis of the telescoped Eocene silver and Oligocene gold San Dimas deâ posits, Sierra...inclusions, oxygen - deuterium and noble gases isotopes Paula Montoya-Lopera, Gilles Levresse, Luca Ferrari, Andrea...Urquiza, L. Mata, Genesis of the telescoped Eocene silver and Oligocene gold San Dimas deposits, Sierra Madre...Elsevier B.V. Genesis of the telescoped Eocene silver and Oligocene gold San Dimas deposits, Sierra Madre...inclusions, oxygen deuterium and noble gases isotopes Paula Montoya-Lopera1, Gilles Levresse2, Luca Ferrari2 | | | Journal (issue) | ........ ..... 483 W. E. Wilson The Total Wreck Mine, Pima County, Arizona ............ .. ............. ........ 484 W. E. Wilson The Arizona Silver Belt; Silver King to McMillenville ............................ .... ..... 507 L. Presmyk The Flux Mine, Santa Cruz County, Arizona .................................... 531 W. E. Wilson & M. Hay The Carlota Mine, Gila County, Arizona ............................E. Wilson & E. Jones Fluorite from the Oatman District, Mohave County, Arizona ............. .... .. | | | Journal (article/letter/editorial) | vein network dominated by northeast-striking gold-silver lodes up to 30 m thick. Gold production was entirely...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...overseas. Regional and Local Geology The Martha Hill mine is part of the Hauraki goldfield on the Coromandel |
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