 | | Report (issue) | | synthetic X-ray Powder Pattern: Chilena mine, Antofagasta Province, Chile. 3.022 (100), 1.877 (47), 1.667 (13)...20.99 34.04 100.00 (1) Chilena mine, Antofagasta Province, Chile; average of 36 electron microprobe...hosted in volcanic rocks. Association: Barite alunite, jarosite, olivenite, scorodite, chalcopyrite,...Chilena mine, Soledad property, El Guanaco gold deposit, Atacama desert, Antofagasta Province, Chile. Name:...crystallography, and metallurgy at Copiapo University, Chile, and was the first director of the Mineralogical |  | | Journal (article/letter/editorial) | | mineralization in the Atacama segment of the South American Andes, northern Chile (26°15'-27°25'S) Received:...magmatism and the rich ore deposits of northern Chile have been the focus of numerous studies. Significant...feature of the geology of this part of northern Chile is the existence of n o r t h - south to north-east-...alteration and cama segment - Andes - northern Chile mineralization (Baker and Guilbert, 1987; Colley...metallogenic belts Introduction (Fig. 1): (1) along the Atacama Fault System; (2) along the Inca de Oro Belt; (3) |  | | Journal (article/letter/editorial) | | ages of hypogene mineralization, and supergene alunite and jarosite provide ages for erosional and weathering...6±1.0 Ma at Llallagua. Fine grained supergene alunite (δ34S = –10.1 ‰) and jarosite yield K-Ar ages of...were active at those times. Keywords: K-Ar, age, alunite, jarosite, sericite, sulfur isotope, Oruro, Bolivia...part (Sugaki et al., 1981a). Several veinlets of alunite and jarosite are found in the deposits of this...latest stage products (Sugaki et al., 1981a). Alunite commonly occurs with halloysite and gibbsite in |  | Schl�ter, Jochen, Malcherek, Thomas, Stanley, Chris, Dini, Maurizio, Donoso, Arturo Molina (2017) Erazoite, a new copper tin sulfide from the El Guanaco gold deposit, Antofagasta Province, Chile. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 194 (1) 91-96 doi:10.1127/njma/2016/0028 | Journal (article/letter/editorial) | | from the El Guanaco gold deposit, Antofagasta Province, Chile Jochen Schlüter, Thomas Malcherek, Chris Stanley...found in 2012 in the Chilena mine at the El Guanaco ore deposit, Northern Chile. Erazoite occurs as tiny...Guanaco gold deposit, copper tin sulphide, Taltal, Chile Introduction The new copper tin sulphide erazoite...the Chilena mine at the El Guanaco ore deposit (25° 06′ 22″ S 69° 32′ 10″ W), in the Atacama desert about...Taltal, 180 km ESE of Antofagasta, Antofagasta Province, Chile. The El Guanaco gold mineralization was discovered |  | | Journal (article/letter/editorial) | | groundwaters associated with porphyry-Cu deposits, Atacama Desert, Chile: Elemental and isotopic constraints on water...the Spence porphyry copper deposit, Atacama Desert, northern Chile, to study waterporphyry copper ore...groundwaters recovered elsewhere in the Atacama Desert of Northern Chile. In contrast, groundwaters recovered...Development, 1997; Meigh et al., 1999). The Atacama Desert of northern Chile, the driest region on Earth, receives...et al., 1989). In the hyperarid climate of the Atacama Desert, there are competing interests for limited |  | | Journal (article/letter/editorial) | | Magmatic Evolution of the Maricunga Mineral Belt in Chile a b c Suzanne Mahlburg Kay , Constantino Mpodozis...y Mineria, Avenida Santa Maria 0104, Santiago, Chile c Department of Geological Sciences, Snee Hall...y Mineria, Avenida Santa Maria 0104, Santiago, Chile Version of record first published: 06 Jul 2010....Magmatic Evolution of the Maricunga Mineral Belt in Chile, International Geology Review, 36:12, 1079-1112...Magmatic Evolution of the Maricunga Mineral Belt in Chile SUZANNE MAHLBURG KAY, Department of Geological Sciences |  | | Journal (article/letter/editorial) | | ileLtda., AvenidaPedrode Valdivia295, Santiago,Chile AND RICHARD H. SILLITOE 27 WestHill Park,HighgateVillage...and 28 ø S in the Andean Cordillera of northern Chile. After 10 yearsof exploration,three preciousmetal...swarmof gold-poor,polymetallicveinswith quartz-alunite selvagesat Aldebaran. Marte andLobo are rich in...38-2353.00 1238 Au PORPHYRY,MARICUNGA BELT, CHILE 1239 and west of Marte which compriseadvancedargillic...central and northern Chile. The the Atacama desert. Maricungabelt in northern Chile is one of the most |  | | Report (volume) | | technical assistance to private mine operators about mineral exploration, mine development and operation,...trained to provide technical assistance to private mine operators, as well as to conduct reconnaissance...personnel were to supply guidance to small private mine operators on management and bookkeeping, service...1959, when the program ceased to grant loans to mine operators, the small staff consisted of one geologist...that extends from the Corocoro mine southeast to the Chacarilla mine. The second project mapped a belt-like |  | Blaske, Allan R., Bornhorst, Theodore J., Brady, James M., Marsh, Timothy M., McKittrick, Scott A. (1991) The Shumake volcanic dome-hosted epithermal, precious metal deposit, western Mojave Desert, California. Economic Geology, 86 (8) 1646-1656 doi:10.2113/gsecongeo.86.8.1646 | Journal (article/letter/editorial) | | alterationandoverlainin one part of the depositby alunite and white kaolinite alteration.Thesemain-stagealterationswere...seven the other depositswhich are characterizedby alunite low-grade orebodiesthat have been discoveredon...•,+++++ Tehachapi I +++++++ •++++++ '+++++• Soledad Mtn.+ +• Thesevolcaniccentershosta numberof gold-silver...to 1950, the mostproductive beingthe GoldenQueen mine on SoledadMountain. This miningactivitywasfocusedonhigh-gradeveins...basedon correlation with similar rocks at nearby Soledad Mountain. FIG. 1. Map of the westernend of the |  | Cunningham, C. G., Zartman, R. E., McKee, E. H., Rye, R. O., Naeser, C. W., Sanjinés V, O., Ericksen, G. E., Tavera V, F. (1996) The age and thermal history of Cerro Rico de Potosi, Bolivia. Mineralium Deposita, 31 (5) 374-385 doi:10.1007/bf00189185 | Journal (article/letter/editorial) | | fission-tract dating. Minor sericite, and magmatic-steam alunite veins, were episodically formed around 11 Ma and...now host small-scale mining operations, and many mine dumps, two of which are being leached for Ag. Recent...similar grade is present in alluvium/colluvium and mine dumps (Bernstein 1989). Cerro Rico is situated within...grayish-blue altered dacite covered with m a n y mine dumps. Cerro Rico has been variously interpreted...bordering, generally symmetrical, replacement alunite-kaolinite zones of acid-sulfate systems, the cap |  | | Report (volume) | | area.___________________________________________ Soledad Mountain area.___________________________-____---__-_Middle...___________________________________________ 225 Mines of Soledad Mountain area. __---_--___-__._,:-_________ 226...area.__._-.--__-___-_____________._________. 237 Soledad Mountain area.-...-----_-------___-__.____________...quartz latite member of Gem Hill formation in Soledad Mountain ______________________-__--------_--------_...geologic map and report of the Rosamond Hills-Soledad Mountain area by Noble (1954) gives a more detailed |  | | Report (issue) | | geochemistry of acid-sulfate alteration and vein forming alunite by Robert O. Rye 1 Philip M. Bethke2 Michael D...wall-rock alteration, characterized by the assemblage alunite+kaolinite+ quartz±pyrite, results from base-leaching...andesitic volcanic terrains. In addition, coarse vein alunite may form in a magmatic-steam environment from rapid...oxygen in the carapace of a volcanic edifice. Alunite [KAh(SO4)2(OH)fil contains four stable isotope...measurements have been made on nearly 200 samples of alunite and associated minerals from 20 localities and |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N. Y. Chromite-chromium ore, Washington Zinc ore...Carolina World Nonbauxite Aluminum Resources Alunite By ROBERT B. HALL GEOLOGY GEOLOGICAL AND RESOURCES...domestic and foreign alunite resources including discussion of possible use of alunite as a nonbauxite ore... Robert B World nonbauxite aluminum resources alunite. (Geology and resources of aluminum) (Geological...not yet discovered or not currently profitable to mine. The mining of mineral deposits, once discovered |  | Dyar, M. D., Breves, E., Jawin, E., Marchand, G., Nelms, M., O'Connor, V., Peel, S., Rothstein, Y., Sklute, E. C., Lane, M. D., Bishop, J. L., Mertzman, S. A. (2013) Mossbauer parameters of iron in sulfate minerals. American Mineralogist, 98 (11) 1943-1965 doi:10.2138/am.2013.4604 | Journal (article/letter/editorial) | | 1 Rhomboclase Alcaparra, Chile ML-S85 29.1.1.1 Rhomboclase Alcaparra, Chile ML-S89 29.1.1.1 Rhomboclase...Bay, Alcaparrosa, Chile ML-S84 29.4.4.1 Ferrinatrite Sierra Gorda, Cahacoles, Chile R6214 29.4.4.1 Ferrinatrite...Antofagaste, Chile VZO105/106 29.4.6.1 Metavoltine Mina Alcaparrosa, Calama, Atacama Desert, Chile G2677 29...29.4.6.1 Metavoltine Cetine Mine, Siena, Tuscany, Italy VZO1142 29.5.1.1 Krausite Sulfur Hole, Mule Canyon...Italy 123922 29.5.3.2 Amarantite Los Pintados, Chile G37754 29.6.10.1 Melanterite Locality unknown; Mount |  | | Report (issue) | | ................................... 25 Quartz-alunite gold.............................................gold, polymetallic vein districts, and quartz-alunite gold are most likely to be present. The USGS assessment...precious metal systems Gold-rich types Quartz-alunite* Sado-type, quartz-adularia* Hot-spring Au-Ag*...are represented by a mineral occurrence, deposit, mine, or that might be present in the study area. Metallic...veins.] Deposit type Epithermal Quartz-alunite n Quartz-alunite I, IE Sado Hot-Spring II Hot-Spring I |  | | Journal (article/letter/editorial) | | porphyrybody Santo,the volcanicdome shownin Figure 2A. Mine hostedby sedimentary rocksof Silurianage(Ahlfeld...t caniclastic sediments andiscutby brecciapipes;mine The Carangas district,about18 km northeast of workingsin...individual miners have since reworked old waste dumpsand mine fill to extract and handconcentrate CERRO silver...wide. The vein dipsinwardtowardthe dome,parallel Alunite, kaolinite• I • I-- L•x,.Veins Silicified J t I...brecciacontainingfragmentsof daciteandOrdovician alunite occursin the oxide ores.Current mining opshale |  | | Journal (article/letter/editorial) | | previouslyknownnorthwest-striking Sierravein systemin the Cubo mine. Theseveinscut the Peregrinarhyolite domelocatedin...CONEdO LATITE DIKE HOT SPRING I•SSIVE SULFIDE MINE SHAFT • guanajuato Conglomerate TI--•j Comanja...been consideredby Randall (1990b) and Mar- Cubo mine. Microscopically, tinez (1991) to be a deeper equivalentof...Amparofaultoffsetarea(Ran- or diorite in the Monte de San Nicolf•s mine is the phase,or in realitypart of the root of a... widespreadexplorationfor gold. Within the Cubo mine, in the area of the San Nicolors and related transverse |  | Thompson, J. F. H., Sillitoe, R. H., Baker, T., Lang, J. R., Mortensen, J. K. (1999) Intrusion-related gold deposits associated with tungsten-tin provinces. Mineralium Deposita, 34 (4) 323-334 doi:10.1007/s001260050207 | Journal (article/letter/editorial) | | copper-gold (Grasberg, Indonesia) to goldonly (Refugio, Chile), and typically are associated with highly oxidized...belong to a mid-Carboniferous-Permian magmatic province characterized by intrusion of granitic plutons...base-metal mineralization is present in the igneous province, with gold deposits being concentrated in the...1998). Petersen and Fitzmayer (1998) described alunite-sericite alteration of the dome and reported the...minerals in the ®nal vein stage at Kori Kollo. Alunite and APS minerals are abundant in some advanced |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...and CopperGold Deposits at Los Pelambres, Central Chile José Perelló, Richard H. Sillitoe, Constantino...of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest Known Concentration...Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern Chile Geology of...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco |  | | Report (issue) | | geographical area to which the deposit belongs. 11 PROVINCE The Republic of Bolivia is divided into 9 departments...list the name of the province in which a deposit occurs. PHYSIOGRAPHIC PROVINCE The physiographic provinces...which a mine first produced. YEAR OF LAST PRODUCTION Year in which an inactive producing mine last operated...(PRESENT/LAST) Person or corporation which owns the mine or mining claims. The most recent owner is listed...OPERATOR Person or corporation which operates the mine. This may be a subsidiary or a lessee. TOTAL INVESTMENT |  | | Book | | produced specimens from such places as the La Fé Mine in the state of Chiapas and Santa Rosalia in the...WIC ' ' (OSE INSET) Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...Mexicali Show & Nensengdo Figure 4. The mineral province of Sonora. (Mod ors ified from Berstein, 1964...University of New York, Albany) Provinces / 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United |  | | Book | | Universidad de Concepci6n Casilla 4107 Concepci6n, Chile ISBN 978-3-642-88284-5 DOI 10.1007/978-3-642-88282-1.... . . . 37 The Metalliferous Ore Deposits of Chile and Argentina, and Their Geologic Framework J. Oyarzun... . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc...Sulfides in the Greenstone Belt of South-Central Chile - An Overview G. Alfaro and S. Callao . . . . ....Formation and Massive Sulfide Orebodies, South-Central Chile: Geologic and Isotopic Aspects S. Callao, G. Alfaro | | | Book | | produced specimens from such places as the La Fe Mine in the state of Chiapas and Santa Rosalia in the...CALl[NTCS ... I MI ( Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...University of New York, Albany) Figure 4. The mineral province of Sonora. (Modified from Berstein, 1964, back...Ttcolote • S 0 R A Sor • Provinces I 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United |  | | Report (volume) | | of gold-associated skarn from Nambija, Zamora Province, Ecuador: A reconnaissance study By Jane M. Hammarstrom...Mesozoic structure of the eastern Basin and Range Province, Utah, from COCORP seismic relection data: Geology...Tertiary igneous rocks, eastern Basin and Range Province, western Utah, eastern Nevada, and vicinity, U...Synextensional magmatism in the Basin and Range Province; a case study from the eastern Great Basin: Geological...the transition-Basin and Range province to plateau and thrust belt province, Utah, in Newman, G.W. and Goode |  | | 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...Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno 329 |
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