 | | Journal (article/letter/editorial) | | Porphyry Gold-Copper Deposit, Maricunga Belt, Northern Chile* RICHARD H. SILLITOE,1,† JUSTIN TOLMAN,2,** AND...the Maricunga gold-silver-copper belt of northern Chile, was discovered in 2007 beneath postmineral cover...28°S in the high volcanic Andes of the Atacama Region, northern Chile (Fig. 1). The belt, some 200 km long...-26°30’ ESPERANZA Argentina Chile Antofagasta LA COIPA Fig. 2 PUREN Copiapó Maricunga belt CASPICHE...-27° Salar de Maricunga CASERONES (REGALITO) MARTE PASCUA -LAMA VELADERO EL INDIO -30° -30° El |  | 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...os M og ote sf au lt Refugio CHILE belt A R G E N T I N A Lobo-Marte La Pepa Taguas Pascua-Lama...late Oligocene-Miocene volcanic belt of northern Chile and contiguous Argentina, showing the age assignment |  | | Journal (article/letter/editorial) | | the Refugio District, Maricunga Belt, Northern Chile JOHN L. MUNTEAN†,* AND MARCO T. EINAUDI Department...the porphyry gold deposits of the Maricunga belt, Chile (Vila and Sillitoe, 1991). For this reason it is...prospects and deposits in the high Andes of northern Chile (Vila and Sillitoe, 1991; Fig. 1). Zones of hydrothermally...porphyry gold-(copper) deposits (Refugio, Aldebaran, Marte, Lobo). Since 1980, an aggregate geologic resource...Segerstrom (1968), Zentilli (1974), La Coipa 27 o Marte Lobo Volcan Laguna Refugio 0 20 50 0 Volcan |  | | Journal (article/letter/editorial) | | Porphyry-Epithermal Transition: Maricunga Belt, Northern Chile JOHN L. MUNTEAN†,* AND MARCO T. EINAUDI Department...Pepa districts in the Maricunga belt of northern Chile contain advanced argillic alteration zones that...we investigated the Maricunga belt of northern Chile, where numerous districts have zones of advanced...in northern Chile about 700 km north of Santiago (Figs. 1, 2), is a metallogenic province of Miocene age...rocks are overlain by Mesozoic to early Tertiary Marte Lobo Volcan Copiapo La Pepa PERU Volcan Laguna |  | | Journal (article/letter/editorial) | | east of the main Andean porphyry copper belt of Chile. The deposit consists of a composite stock of dacitic...alteration (sericite + pyrite ± clay minerals ± gypsum) overprints the potassic and propylitic alteration...and have a closely overlapping distribution on the mine scale. A well-developed ore shell coincides with...include the porphyry copper deposits of El Salvador, Chile (Gustafson and Hunt, 1975), Ann Mason, Nevada (Dilles...de la Alumbrera as Argentina’s first major metal mine (Guilbert, 1995; Wall, 1997; Ulrich, 1998). Recently |  | | Journal (article/letter/editorial) | | east of the main Andean porphyry copper belt of Chile. The deposit consists of a composite stock of dacitic...alteration (sericite + pyrite ± clay minerals ± gypsum) overprints the potassic and propylitic alteration...and have a closely overlapping distribution on the mine scale. A well-developed ore shell coincides with...include the porphyry copper deposits of El Salvador, Chile (Gustafson and Hunt, 1975), Ann Mason, Nevada (Dilles...de la Alumbrera as Argentina’s first major metal mine (Guilbert, 1995; Wall, 1997; Ulrich, 1998). Recently |  | | Journal (article/letter/editorial) | | Porphyry Gold Deposit at Marte, Northern Chile TOMkS VILA, Minera Anglo American Chile Ltda., Avenida Pedro...Pedro de Valdivia 295, Santiago,Chile RICHARD H. SILLITOE, 27 West Hill Park, Highgate Village, London N6...CopiapS,Chile AND ENRIQUEVITERI** Minera AngloAmericanChile Ltda., ChaKarcillo840, CopiapC,Chile Abstract...porphyrygolddeposithasbeendocumentedfor the firsttime at Marte in the Maricunga belt of the AndeanCordillera,northernChile...formerlymoreextensivetabularalterationzone. Abundantpyrite, gypsum,native sulfur,and barite and trace amountsof enargiteand |  | Oviedo, Luis, Fuster, Nicolas, Tschischow, Natasha, Ribba, Luis, Zuccone, Alvio, Grez, Enrique, Aguilar, Angelo (1991) General geology of La Coipa precious metal deposit, Atacama, Chile. Economic Geology, 86 (6) 1287-1300 doi:10.2113/gsecongeo.86.6.1287 | Journal (article/letter/editorial) | | Deposit, Atacama,Chile Luis OVIEDO, Los Quillayes191, Las Vertientes,SanJosdde Maipo, Chile NICOLAS...6651, Copiapd,Chile ENRIQUE GREZ, Goldfields,Chile, S.A.,CarmenSylva2449, Santiago,Chile AND ANGELO AGUILAR...AGUILAR Minera Homestake,Chile S.A.,Pedrode Valdivia 0193, 4 ø Piso,Santiago,Chile Abstract The La Coipaore...suchasLa Coipa (1980-1982), Esperanza (1981), Lobo-Marte (1982-1984), E1 The earliestwritteninformationaboutLa...and 6 oz/metricton (93.3 and 186.6 g/ a 12-year mine life. metric ton) and a gold gradeover 0.1 oz/metric |  | | Report (issue) | | Enrique Viteri, The porphyry gold deposit at Marte, northern Chile, Economic Geology Monograph 8, in press...by geologists at La Pepa, Alderberan, Marte and Lobo Mines, Chile. REGIONAL GEOLOGIC ATTRIBUTES TECTONIC...oxidized ore; goethite, jarosite, hematite and gypsum. Specular hematite is locally abundant (Caseli)...anhydrite and its near surface alteration product, gypsum, are ubiquitous. Overprinting by kaolinite-alunite...mineralization. EXAMPLES Marte, Chile 46,000,000 mt; 1.43 gpt Au, 549 ppm Lobo, Chile 90,000,000 mt; 1.50 |  | | Journal (article/letter/editorial) | | ORIGIN OF THE EL LACO MAGNETITE DEPOSIT, NORTHERN CHILE RICHARD H. SILLITOE† 27 West Hill Park, Highgate...Plio-Pleistocene volcanic arc of Region II, northern Chile, and comprises seven discrete bodies of massive...Norte Laco Sur 0 1 2 km Steam-heated alteration Gypsum body Andesitic volcanic rock Massive magnetite...associated hydrothermal alteration, El Laco, northern Chile (latitude, 23°50'29.6"; longitude, 67°29'24.6")...elsewhere (e.g., Manto Verde copper deposit, northern Chile; Vila et al., 1996). Similar observations, also |  | | Journal (article/letter/editorial) | | MineraFMCLtda.,La Capitanfa163,LasCondes, Santiago, Chile Abstract The ParadisePeakgold-silver-mercury depositin...similarporphyrygolddepositsin the Maricunga belt, northern Chile. An episodeof detachmentfaultingaffectedthe Pa...'"' '"•-. '" •...•......'......'•..5.., '"'. ":" PROVINCE •' "q'""""'"'""'"'•..".......'_..'•.'.•:.•':....left. texturesuggests a supergeneorigin for the gypsum. The detachment faultstruncatethe pre- to synmineral...the recently discoveredporphyrygold depositsat Marte, Lobo, and elsewherein the Maricungabelt of northern |  | Simón, Valeria, Arnosio, Marcelo, Trumbull, Robert B., Caffe, Pablo, Rocholl, Alexander, Sudo, Masafumi, Lucassen, Friedrich, Huidobro, Facundo (2021) Geology, geochemistry and geochronology of Lindero porphyry gold deposit in the Southern Puna plateau, Argentina. Journal of South American Earth Sciences, 105. 103047pp. doi:10.1016/j.jsames.2020.103047 | Journal (article/letter/editorial) | | porphyry gold deposits in the 69 Maricunga belt, Chile, and with the porphyry copper deposits of Argentina...porphyry copper deposits in the frontal-arc setting of Chile, notably by the lack 71 of an adakite-like signature...uncommon. They were defined in the Maricunga belt of Chile in the early 79 1980s (Vila et al., 1991; Vila...worldwide (Sillitoe, 2000), such as Maricunga (e.g., Marte and Lobo; Vila and Sillitoe, 83 1991), the Javorie...level in the Southern Puna plateau, Salta 105 Province, Argentina (latitude 25°04’55” S, longitude 67°46’45” |  | | Journal (article/letter/editorial) | | (AMTC), University of Chile, Av. Tupper 2007 (AMTC Building), Santiago 8370451, Chile; minghai.gim@amtc.cl...Metropolitana, Las Palmeras 3360, Ñuñoa, Santiago 7800002, Chile Correspondence: humberto.estay@amtc.cl; Tel.: +56-2-2977-1011...Water CN- Gypsum THK Copper sulfide Filter Cu 2S Wash Water Gypsum Filter Gypsum Figure 1. Schematic...neutralization reactor to achieve pH 10.5, generating gypsum which is separated in sequential steps neutralization...reactor to achieve 10.5, generatingconfiguration gypsum which separated in sequential of thickening and |  | Gurbanov, A. G., Bogatikov, O. A., Dokuchaev, A. Ya., Gazeev, V. M., Abramov, S. S., Groznova, E. O., Shevchenko, A. V. (2008) Ore-bearing hydrothermal metasomatic processes in the Elbrus volcanic center, the northern Caucasus, Russia. Geology of Ore Deposits, 50 (3) 199-217 doi:10.1134/s1075701508030033 | Journal (article/letter/editorial) | | time. By analogy with porphyry Cu–Mo deposits in Chile and the United States, the ore mineralization of...that are mined in the Maricunga Belt in northern Chile are localized in early and late Miocene volcanic...argillic cap commonly covers the subvolcanic bodies (Marte, La Pepa, Valle, and other gold deposits); at some...successfully mined in Chile at a rather great height (3000–4500 m). The Marte deposit, with Au reserves...volcanic belts of California, Nevada, Italy, Japan, Chile, the Kurile Islands (Kudryavy volcano), and Kamchatka |  | | Journal (article/letter/editorial) | | result of natural acid rock drainage (NARD) and acid mine drainage (AMD) which tend to revert to goethite...pigments in Epipalaeolithic to Neolilithic (10–3.7 ka) Chile. The Chinchorro hunter-gathers used a manganese...Highlands. These were provenanced to Los Pumas in the Atacama Desert. In Argentinian Patagonia, Minerals 2018...jarosite ochres from locations as diverse as Sia Copper Mine, Cyprus and Minerals 2018, 8, 201 10 of 35 Kimmeridge...in supergene environments and in association with mine waste [77–80]. Jarosite group minerals are readily |  | Bishop, J. L., Lane, M. D., Dyar, M. D., King, S. J., Brown, A. J., Swayze, G. A. (2014) Spectral properties of Ca-sulfates: Gypsum, bassanite, and anhydrite. American Mineralogist, 99 (10) 2105-2115 doi:10.2138/am-2014-4756 | Journal (article/letter/editorial) | | Perchlorates Spectral properties of Ca-sulfates: Gypsum, bassanite, and anhydrite† Janice L. Bishop1,*...support remote detection of these minerals on Mars. Gypsum, bassanite, and anhydrite are the currently known...spectra are discussed here for various sample forms. Gypsum and bassanite spectra exhibit characteristic and...μm attributed to H2O. Anhydrite, bassanite, and gypsum all have SO4 combination and overtone features...a sharp band for anhydrite and a broad peak for gypsum. The band center of the ν1 vibration follows a |  | | Journal (article/letter/editorial) | | Mineralization at the El Teniente Cu-Mo Porphyry Deposit, Chile Edward T. Spencer,1,† Jamie J. Wilkinson,1,2 Robert...Teniente, Rancagua, Chile Abstract The El Teniente Cu-Mo porphyry deposit, Chile, is one of the world’s...anhydrite-carbonate ± gypsum (type 10) veins and breccias. These are abundant at shallow mine levels and show...created a distinct Mo-rich grade halo at shallow mine levels. With the exception of minor mineralization...Introduction The El Teniente Cu-Mo porphyry deposit, Chile (34°05'S, 70°21'W), is located approximately 70 |  | Fernández-Remolar, David C., Banerjee, Neil, Gómez-Ortiz, David, Izawa, Matthew, Amils, Ricardo (2018) A mineralogical archive of the biogeochemical sulfur cycle preserved in the subsurface of the Río Tinto system. American Mineralogist, 103 (3) 394-411 doi:10.2138/am-2018-6288 | Journal (article/letter/editorial) | | mining operation area that comprises the Río Tinto mine district, which is one of the world’s largest massive...oxidation. However, it is a well-known fact that acid mine drainage (AMD) originates from sulfide mineral oxidation...extreme acidic system. During 2003 and 2004, the MARTE project (Mars Analog and Technology Experiment)...BH8, BH10, and BH11 (Fig. 1), performed by the MARTE and IPBSL projects that were developed to provide...microbial cycling. The sulfate groups in minerals like gypsum, anhydrite, and basanite, which are abundant mineral |  | | Book (volume) | | existence o f a new unconformity-vein style uranium province in the Proterozoic of the Great Sandy Desert....the largest deposits in any established porphyry province. For a discussion of the accepted terminology...localised in the U.S. “South-west”， and in northern Chile and southern Peru，and were Cu-Mo orebodies (Gilmour...Cook and Porter;all in this publication) and in Chile, Argentina and Peru in South America (see Camus;...Chuquicamata, El Abra, La Escondida and El Teniente in Chile, Cerro Colorado in Panama, Grasberg in Indonesia |  | | Journal (article/letter/editorial) | | quartz-carbonate) and sulfate (anhydrite and/or gypsum) alteration assemblages cut most rock types. The...E26, combined with access to extensive underground mine developments, has permitted the systematic mapping...sets were documented from the 9,800 RL of the E26 mine (Fig. 2 inset). Quartz vein and fault plane orientations...per meter of quartz veins mapped on the 9,800 RL mine development at E26. B. Contour plot of the total...whereas the sheeted veins are <30 mm thick (Fig. 3). Mine development is shown as dotted lines. Outline of |  | Roach, Leah H., Mustard, John, Gendrin, Aline, Fernández-Remolar, David, Amils, Ricardo, Amaral-Zettler, Linda (2006) Finding mineralogically interesting targets for exploration from spatially coarse visible and near IR spectra. Earth and Planetary Science Letters, 252 (1) 201-214 doi:10.1016/j.epsl.2006.09.044 | Journal (article/letter/editorial) | | iron sulfate- and oxiderich (jarosite, rozenite, gypsum, schwertmannite, copiapite, goethite, and hematite...and along wide riverbanks downstream of the active mine. This method uses spatially coarse VNIR spectra...[17]. Fernandez-Remolar et al. [4] have identified gypsum, copiapite group, hydronium jarosite, natrojarosite...identified in the recent soils and all three terraces. Gypsum was frequently found in mixtures with iron oxides...data. We collected gridded data in three large flat mine tailing areas, each covering several 1000 m2 and |  | | 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 |  | | Journal (article/letter/editorial) | | Transept. Here are some winged man-headed Lions, of gypsum, from Nimroud. Some of the great gypseous colossi...deposited by water, which, draining away from a coal-mine, showed for the most part dirty daily layers, but...cock-fighting days, when there were no workmen in the mine to trample about and stain the water. The "Oriental...alabastra." The name, however, has been usurped by gypsum (sulphate of lime), or gypseous alabaster, some...L. Lartet's , Exploration Geologique de la Mer Marte,' &0., 4to. Paris, 1877. 371 OTHER YONUYENTAL |  | | Journal (article/letter/editorial) | | contain ice. 94. Nitrogen Cycling at Yungay in the Atacama Desert Rocco L. Mancinelli Center for the Study...the origin and evolution of life. The Atacama desert in Chile is a large NO3 salt deposit that has been...proven. We analyzed Yungay, the driest area of the Atacama. Rates of denitrification were determined using...http:// www-691.gsfc.nasa.gov/cosmic.ice.lab. 284. MARTE: Simulated Martian Drilling and Remote Sensing of...Astrobiology Research and Technology Experiment (MARTE) assembled a US science team at NASA Ames, CA., |  | | Journal (issue) | | Auburn, Wa; Barney Brawn, Sacramento CA; Hank and Marte Heikkola, Portland, OR; Les Holbrook, Snohomish...with cerussite, chrysocolla, fluorite, goethite, gypsum, mimetite, opal, plumbotsumite, quartz, sepiolite...described as a new mineral species from the Silver Coin Mine, Humboldt Co., Nevada by Chukanov and others in...Fe2+Fe3+2(PO4)2(OH)2 – was first recognized at the Silver Coin Mine in the early 1990s, and was verified by X-ray diffraction...zinclipscombite and lipscombite occur at the Silver Coin Mine. Although this optical test provides a necessary |
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