 | | Journal (article/letter/editorial) | | Vol. 86, 1991, pp. 1187-1205 Gold Metallogeny of Chile RICHARD an Introduction H. SILLITOE 27 WestHill...poorlymineralized. Paucityof golddepositsin the coastalzoneof Chile, concentration of highsulfidationand porphyry-typedepositsin...copper and silver enrichmentin northernand central Chile which took place during the Oligoceneand early Mioceneand...CHILEhasbeena modestgoldproducerfor the last central Chile (24o-37 ø S; Flores, 1942; Ruiz et al., fivecenturies...by-product of coppermining.The 18 principal tral Chile, commonlyat altitudescloseto or greater depositsincludedin |  | Deyell, C. L., Leonardson, R., Rye, R. O., Thompson, J. F. H., Bissig, T., Cooke, D. R. (2005) Alunite in the Pascua-Lama High-Sulfidation Deposit: Constraints on Alteration and Ore Deposition Using Stable Isotope Geochemistry. Economic Geology, 100 (1) 131-148 doi:10.2113/100.1.0131 | Journal (article/letter/editorial) | | Ciencias Geológicas, Av. Angamos 0610, Antofagasta, Chile AND D. R. COOKE Centre for Ore Deposit Research...system, located in the El Indio-Pascua belt of Chile and Argentina, contains over 16 million ounces (Moz)...deposit is situated in the Cordillera Principal of Chile and Argentina at the north end † Corresponding ...of high-sulfidation 131 132 DEYELL ET AL. Chile Princ ipal Cord Arge illera El Indio-Pascua Belt... and breccia- and veinhosted mineralization at Tambo (Jannas et al., 1999; Deyell et al., in press). |  | Deyell, C.L., Rye, R.O., Landis, G.P., Bissig, T. (2005) Alunite and the role of magmatic fluids in the Tambo high-sulfidation deposit, El Indio–Pascua belt, Chile. Chemical Geology, 215 (1) 185-218 doi:10.1016/j.chemgeo.2004.06.038 | Journal (article/letter/editorial) | | magmatic fluids in the Tambo high-sulfidation deposit, El Indio–Pascua belt, Chile C.L. Deyella,*, R.O....Abstract The Tambo high-sulfidation deposit, located within the El Indio–Pascua belt in Chile, produced...and was contemporaneous with the volcanism of the Tambo Formation. Alunite from this stage of alteration...aluniteFhematite-quartz veins that crosscut the breccias in the Tambo area. Analyses of fluid-inclusion gas from alunite...belt; Tambo deposit; Acid-sulfate; Stable isotopes; Epithermal; Gold 1. Introduction The Tambo high-sulfidation |  | | Journal (article/letter/editorial) | | February 2014 Article Hydrothermal corundum, topaz, diaspore and alunite supergroup minerals in the advanced...corundum-sericite-feldspar-, corundum-quartz-, and quartz-diaspore-topaz-APS minerals-pyrophyllite-sericite bearing...hydrothermal fluid. The disequilibrium assemblage quartz+diaspore+topaz (± pyrophyllite sericite) formed between...present as pseudocubic crystals enclosed within diaspore and natroalunite. High level lithocaps include...mineralization. Key words: Hydrothermal corundum, topaz, diaspore, aluminum-phosphate-sulfate minerals, alunite |  | | Journal (article/letter/editorial) | | intrusive, including quartz, sericite, pyrophyllite, diaspore, aluminum-phosphates-sulfates (APS) and pyrite...lithocap composed of quartz, natroalunite, and minor diaspore and pyrophyllite. The APS minerals are Ca-Sr-Ba-Pb-rich...al. 1998), Maricunga, Chile (MUNTEAN & EINAUDI 2001), Nevados de Famatina, Chile (PUDACK et al. 2009)...dominated by quartz-dickite r pyrophyllite r diaspore, to sericitic (quartz-sericitepyrite) alteration...in several porphyry systems, e.g. El Salvador, Chile (WATANABE & HEDENQUIST 2001), Hugo Dummett, Mongolia |  | Kerrich, R., Fyfe, W. S., Barnett, R. L., Blair, B. B., Willmore, L. M. (1988) Reply to: ?A discussion of corundum, Cr-muscovite rocks at O'Briens, Zimbabwe: the conjunction of hydrothermal desilicification and LIL-element enrichment-geochemical and isotopic evidence/rd. Contributions to Mineralogy and Petrology, 100 (4) 555-559 doi:10.1007/bf00371384 | Journal (article/letter/editorial) | | komatiite-~ chloriffte --* corundum ~ corundum + diaspore; followed by variable degrees of overprinting...identified hydrothermal corundum, andalusite and diaspore. Wojdak and Sinclair (1984) document the occurrence...contrast, the hydrothermal corundum, andalusite, diaspore, muscovite assemblages from unmetamorphosed terrains...significant that where andalusite, pyrophyllite, diaspore and corundum likely formed from metamorphism of...Marysvale, Utah NW Queensland, Australia El Indio, Chile Natroalunite, alunite natrojarosite Opaline silcia |  | Juliani, Caetano, Rye, Robert O., Nunes, Carmen M.D., Snee, Lawrence W., Corrêa Silva, Rafael H., Monteiro, Lena V.S., Bettencourt, Jorge S., Neumann, Rainer, Neto, Arnaldo Alcover (2005) Paleoproterozoic high-sulfidation mineralization in the Tapajós gold province, Amazonian Craton, Brazil: geology, mineralogy, alunite argon age, and stable-isotope constraints. Chemical Geology, 215 (1) 95-125 doi:10.1016/j.chemgeo.2004.06.035 | Journal (article/letter/editorial) | | high-sulfidation mineralization in the Tapajós gold province, Amazonian Craton, Brazil: geology, mineralogy...June 2004 Abstract The Brazilian Tapajós gold province contains the first evidence of high-sulfidation...Tapajós–Parima (or Ventuari–Tapajós) geological province consists of a metamorphic, igneous, and sedimentary...natroalunite, pyrophyllite, andalusite, quartz, rutile, diaspore, woodhouseite–svanbergite, kaolinite, and pyrite...shallow crustal levels, the discoveries in Tapajós province provide new perspectives for mineral exploration |  | | Journal (article/letter/editorial) | | geology During the Tertiary, the Rhodope metamorphic province in Bulgaria and Greece underwent a penetrative...normal alunites and the absence of pyrophyllite and diaspore from the mineralization suggest a decline in temperatures...as was proposed for its formation in the Sungsan mine, Korea (Cho and Kim 1993). This oscillatory zoning...superficially resembles the Pascua-Lama and Tambo Au– Ag–Cu deposits, Chile (Deyell et al. 2005a, b; Chouinard...(1993) Oscillatory zoning in alunite from the Sungsan mine, Korea. N Jb Miner Mh 4:185–192 Chouinard A, Williams-Jones |  | | Journal (article/letter/editorial) | | alunite, kaolinite, dickite, pyrophyllite, and diaspore, host highsulfidation epithermal gold deposits...until World War II, when Mitsui Mining operated the mine, and then again by LCMC from 1948 to 1996. The total...98 holes from the 700 m level (mL) of the Lepanto mine. This study confirmed an inferred resource of 892...location of the samples from the Lepanto underground mine (Appendix Table A1) are plotted on the 680 to 1150...assemblages of kaolinite, dickite, pyrophyllite, and diaspore. The alunite has been dated at 1.42 ± 0.08 Ma |  | | Journal (article/letter/editorial) | | crusts (up to 0.5 mm) on quartz at the McAlpine mine, Tuolumne County, California, U.S.A; mcalpineite...minerals. Also recorded from the Centennial Eureka mine, Juab County, Utah, U.S.A. Cu3TeOo6.H20. Cubic,...up to I mm in quartz from the Alaska geochemist. mine, San Juan County, Colorado, U.S.A. Montesommaite...C2/c or Cc, a 9.513, b 8.615, c 5.356, [3 Cerchiara mine, Faggiona, La Spezia, Liguria, 105.12 ~ Z = 4. Dmeas...F~ibry, J. Hybler Section 27 South, N'Chwaning II Mine, Farm and B.A. Maximov, 1992. Can. Min., 30, 215 |  | Franchini, Marta, Impiccini, Agnes, Lentz, David, Ríos, Francisco Javier, O'Leary, Sol, Pons, Josefina, Schalamuk, Abel Isidoro (2011) Porphyry to epithermal transition in the Agua Rica polymetallic deposit, Catamarca, Argentina: An integrated petrologic analysis of ore and alteration parageneses. Ore Geology Reviews, 41 (1) 49-74 doi:10.1016/j.oregeorev.2011.06.010 | Journal (article/letter/editorial) | | argillic alunite (svanbergite + woodhouseite) ± diaspore ± zunyite as breccia cement along with abundant...porphyry-epithermal Cu–Au–Mo deposit is located in Catamarca province of Argentina, 25 km north of Andalgalá (27° 26′...a world-class Cu–Au–Mo deposit, soon to become a mine. It has an estimated resource total 797 Mt of 0...Tampakan: Rohrlach, 2003) and can be very useful for the mine development. 2. Regional geology Agua Rica is located...Pampeanas geological province close to the southern margin of the Puna geological province (Fig. 1a), and separated |  | | Journal (article/letter/editorial) | | al. (2007); also shown contour of Mezozoic rift province after Yarmolyuk et al. 1998; b Geological sketch...natroalunite NaAl3(SO4)2(OH)6 zircon, hematite, barite, diaspore, boehmite, pyrophyllite, pyrite kaolinite, jarosite...replaced by andalusite, muscovite, more rarely by diaspore and pyrophyllite. Quartz, lazulite, rutile are...compared to kyanite quartzites of the Piedmont Province of Virginia (sample MP-20; Owens and Pasek 2007)...rutile. It is cut by micro-veinlets filled by diaspore and pyrophyllite. Andalusite has cavities filled |  | Chouinard, A., Williams-Jones, A. E., Leonardson, R. W., Hodgson, C. J., Silva, P., Tellez, C., Vega, J., Rojas, F. (2005) Geology and Genesis of the Multistage High-Sulfidation Epithermal Pascua Au-Ag-Cu Deposit, Chile and Argentina. Economic Geology, 100 (3) 463-490 doi:10.2113/gsecongeo.100.3.463 | Journal (article/letter/editorial) | | High-Sulfidation Epithermal Pascua Au-Ag-Cu Deposit, Chile and Argentina ANNICK CHOUINARD,† Department of Geological...Nevada S.A./Barrick Chile Ltda., Barrio Industrial, Alto Peñuelas, Sitio 58, Coquimbo, Chile Abstract The...is located in the El Indio belt of north-central Chile and Argentina and was the product of a high-sulfidation...deposits in the El Indio belt of north central Chile (Fig. 1). With estimated reserves of 17.6 million...DEL MINED DEPOSITS CERRO INTERNATIONAL BORDER CHILE-ARGENTINA POSSIBLE CALDERAS DEL CU RA AZU FRE |  | Sillitoe, Richard H., Devine, Fionnuala A.M., Sanguinetti, Martin I., Friedman, Richard M. (2019) Geology of the Josemaría Porphyry Copper-Gold Deposit, Argentina: Formation, Exhumation, and Burial in Two Million Years. Economic Geology, 114 (3) 407-426 doi:10.5382/econgeo.4645 | Journal (article/letter/editorial) | | located in the Frontal Cordillera of San Juan Province, Argentina, near the present-day northern limit...Cordillera of San Juan Province, Argentina, ~8 km east of the border with Chile (lat 28°26'S, long 69°32'W)...70° 68°W 69°40’ o PERU S BOLIVIA er u - Chile Tambo Alturas ch Los Azules El Altar - Piuquenes...fau Los H e l a d os M og ote sf au lt Refugio CHILE belt A R G E N T I N A Lobo-Marte La Pepa Taguas...late Oligocene-Miocene volcanic belt of northern Chile and contiguous Argentina, showing the age assignment |  | 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) | | Canahuire deposit and the Caspiche porphyry Cu-Au (Chile), La Colosa porphyry gold (Colombia), Lagunas Norte...Shila Paula Baños del Indio 60 km CHILE Legend City Province boundary Road Prospect Deposit Study...from the vibrational process of the O-H bonds. Diaspore was also identified by the broad absorption feature...dickite, kaolinite and/or topaz, pyrophyllite, diaspore (e.g., samples CC-56, CC-55, CC-37, CC-34, 108707)...supergroup minerals-kaolinite group minerals ± topaz ± diaspore ± pyrophyllite), which changes into argillic and |  | | Journal (article/letter/editorial) | | high-sulfidation1 lode-gold deposits such as El Indio, Chile, formed in sub-vertical fracture arrays to depths...Chinkuashih, or the restricted distribution of diaspore at Goldfield) that in turn record relative variations...mineralization in the Mankayan district and Lepanto mine, Luzon Island, Philippines. (a) Diagrammatic, three-dimensional...masses) and major faults in and nearby the Lepanto mine. The location of the Far Southeast (FSE) deposit...deposit and the breccia pipe in the main Lepanto mine. Concurrent reverse-sense motion is evident along |  | | Journal (article/letter/editorial) | | would be useful in genetic studies, exploration, mine planning, and environmental compliance. For example...Rodalquilar (Spain), Paradise Peak (Nevada) and El Indio (Chile; Sidley and Arenada 1986; Hernandez et al. 1989;...samples were obtained for this study Drill hole Mine coordinates Depth(m) NS EW Start End Moore...by deep, pervasive and vein-hosted pyrophyllite±diaspore that graded upward into massive silicification...et al. 1984). This suggests, in turn, that the diaspore–pyrophyllite assemblage indicating temperatures |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile • The Geologica l Society of London Books Editorial...T. & GIBBO, s, W . (eds) 2007 . The Geology of Chile. The Geological Society, London. CHARRIER, R., PINTO...the Andean Orogeo in Chile. Jn: MORENO, T. & GrnsoNs, W. (eds) The Geology of Chile. The Geological Society...Society, London, 21-114. The Geology of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume...\ii . Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno |  | | Journal (article/letter/editorial) | | structurally-controlled lode gold deposits, such as El Indio, Chile. Both formed in active andesite–dacite volcanic...Red Mountain, CO6, Underground sample, Longfellow Mine, Red Mountain, Silverton, Colorado). Images: a)...Reviews 39 (2011) 63–74 kaolinite, pyrophyllite, diaspore, andalusite and disseminated pyrite and in rare...phase relationships of kaolinite, pyrophyllite, diaspore, andalusite, and corundum as a function of temperature...formed during the Sulfate Stage, for example at Tambo, Chile (Jannas et al., 1999), in the presence of aggressively |  | | Book (edition) | | Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...104(3). 326-328 □ Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza...a seri Qlh·enite. compare E\Clte. Chanårcillo. Chile . .\U 6. 320-328 (str.) witb 0/ivenite 0 Adamsite-(\')...AgardJte-(Ce), CeCu.(AsO4)i(OH).-3H1O, hex., Clara mine, central Black Forest, Gennany,A1ifSS(2004),17-23...(Y,Ca)Cu6(AsO.)i(OH).-3H1O. hex., Bou-Skourcoppcr mine, Ouarzazatc. Morocco,SS, 1447 □ Mixite group AgrelUte |  | | Journal (article/letter/editorial) | | Stachel and coworkers18) and the diamonds from Premier mine in South Africa, which are particularly beautiful...The youngest are E-type diamonds from the Orapa mine, Botswana, at 990 m.y.,14 the oldest the 3300-m...513 in the Naboomspruit District of the Northern Province. It contains a dominantly volcanic succession...been undertaken on alunite samples from the Tambo deposit, Chile, held in the Natural History Museum’s ore...minor exceptions exist. Over much of the Rio Tinto mine lease the bimodal sills are either below the ore |  | | Report (volume) | | rhyolite lava flows in the Snake River Plain volcanic province, southwestern Idaho: Geological Society of America...tungsten and gold mineralization near the Getchell mine, Humboldt County, Nevada A discussion: Economic...tungsten and gold mineralization near the Getchell mine, Humboldt County, Nevada: Economic Geology, v. 69...fissurevein gold and base-metal deposits at the Mammoth mine in west-central Idaho yields a plateau age of 69...Pearson reviewed the manuscript. MAMMOTH MINE The Mammoth mine is in the Dixie mining district, about 1 |  | | Report (issue) | | from “ Mount Lyndhurst,” “Leigh Creek,” “Avondale Mine”; all these are in the Leigh Creek District, and...Mount Shamrock Mine. Ihid., No. 168, 1901. 34. On the Mount Biggenden Gold and Bismuth Mine and Paradise...Mineral 9 42b. The.Einasleigli Freehold Copper Mine, North Queensland. GeoL Suru. Q’land, Publication...Junr.) The Walhalla 43. or Thomson River Copper Mine. Bull. Geol. Surv. Viet., 20, 1906. Bartley ...Centres. Ibid., 53, 1913. 63d. The King’s Sound Tin Mine. Ibid., 59, 1914, pp. 232-239. Bleasdale 64. 65 |  | | Journal (article/letter/editorial) | | properties of two kaolin deposits in the Çanakkale Province of NW Turkey that are close to each other in apparently...in the rocks. GEOLOGIC SETTING The Çanakkale Province is located on the Biga Peninsula and is a well-known...alunite, dickite, minor illite, and boehmite or diaspore. Kaolinite occurs with a range of order, having...extended 60 m vertically and 400 m laterally at the Sa1 mine. Zonal extents were smaller in the other mines with...values in kaolin suggest the presence of boehmite, diaspore, or gibbsite in ‘‘advanced argillic’’ alteration |  | | Journal (issue) | | Wise & G. R. Rossman Orpiment from the Twin Creeks mine, Humboldt County, N e v a d a ............................. 311 by B. K. Lees The Purple Passion mine, Yavapai County, A rizona.................. 323...cm from the Meea trom tne M e 8a pit, Twin Creeks mine, Humboldt County, Nevada. Mined by Collector's Edge...11 cm across. In 1935 they leased the San Diego mine in the Mesa Grande pegmatite field, in southern...located just around the hill from the famous Himalaya mine, source of gorgeous red elbaite tourmaline crystals |
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