 | | 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...residual quartz and/or silicified rock. The chalcopyrite-pyrite mineralization in the potassic zone was...argillic overprint, although the underlying chalcopyrite-bornite assemblage was mainly too deep to be...28°S in the high volcanic Andes of the Atacama Region, northern Chile (Fig. 1). The belt, some 200 km long |  | 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...of magnetite ± biotite with minor quartz and chalcopyrite, and K feldspar alteration envelopes to sugary...quartz veinlets <1 cm in width with magnetite and chalcopyrite and no alteration envelopes. Hypersaline liquid...zone. Total sulfide content, predominately as chalcopyrite, is generally <1 vol percent, whereas magnetite...the porphyry gold deposits of the Maricunga belt, Chile (Vila and Sillitoe, 1991). For this reason it is |  | | 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) | | 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...variable amounts of quartz, magnetite, biotite, and chalcopyrite and locally have K feldspar halos. They have...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 |  | | 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...quartzstockworksandadvanced argilliccapsare telescopedat Marte, Valy, SantaCecilia, andLa Pepabut are separatedby...polymetallicveinswith quartz-alunite selvagesat Aldebaran. Marte andLobo are rich in gold(1.43 and 1.6 ppm) andpoorin...,andalongwith lead, are alsoweaklyanomalous at Marte in the underlying,shallow-levelquartz stockwork |  | 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...electrum,andnativegold.Sulfides,suchaspyrite,chalcopyrite, covellite,tennantitetetrahedrite,enargite,galena...suchasLa Coipa (1980-1982), Esperanza (1981), Lobo-Marte (1982-1984), E1 The earliestwritteninformationaboutLa |  | | Journal (article/letter/editorial) | | east of the main Andean porphyry copper belt of Chile. The deposit consists of a composite stock of dacitic...They occur as composite gold sulfide grains (chalcopyrite, rarely bornite), show a close correlation of...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...They occur as composite gold sulfide grains (chalcopyrite, rarely bornite), show a close correlation of...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) | | Vol. 86, 1991, pp. 1187-1205 Gold Metallogeny of Chile RICHARD an Introduction H. SILLITOE 27 WestHill...s,includingnewly recognizedgold-onlyexamplesat Marte and Lobo, accompany quartzstockworks developedin...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 |  | | 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...Santiago,Chile. ** Presentaddress:Avenida11 de Septiembre2250, Oficina1304, Santiago,Chile. 0361-01 |  | | Journal (article/letter/editorial) | | inclusions intimately associated with the main chalcopyrite mineralization. Later bornite deposition took...Norrbotten ore province Æ Sweden Introduction Aitik is Sweden’s largest copper mine and one of Europe’s...had been produced since mining began in 1968. The mine has a remaining reserve of 226 Mt of ore with an...of Gällivare, in the northern Norrbotten ore province (Fig. 1). Several other epigenetic copper–gold...ore deposits occur in the region; the entire ore province produces about 90% of the total tonnage of ore |  | | Journal (article/letter/editorial) | | by significant erosion. Low sulfidation-state chalcopyrite ± bornite assemblages are characteristic of...central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus, 2003)...(Nena) Wafi-Golpu Gaby El Salvador Potrerillos Marte & Caspiche Taca Taca Bajo Bajo de la Alumbrera...to global-scale anomalies for Cu (e.g., northern Chile-southern Peru, southwestern North America) or Au...HI B AR C A 26° El Salvador Potrerillos COPIAPÓ ARGENTINA LA SERENA 30° Lineament Fault Porphyry |  | | 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...In sulfide ore; pyrite up to 8%, with minor chalcopyrite and molybdenite. Anhydrite is common in and...mineralization. EXAMPLES Marte, Chile 46,000,000 mt; 1.43 gpt Au, 549 ppm Lobo, Chile 90,000,000 mt; 1.50...50 gpt Au, 0.1-0.2% Caseli, Chile Caravancha, Chile El Refugio, Chile 130,000,000 st; 1.03-1.51 gpt Au |  | 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” |  | 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) | | pyrrhotite (including Ni–Co varieties), arsenopyrite, chalcopyrite, millerite, galena, and finely dispersed particles...120–150°C. The temperature of formation of the chalcopyrite–pyrite–pyrrhotite assemblage calculated using...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 |  | | 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'""""'"'""'"'•..".......'_..'•.'.•:.•':....the ore zone. andtracesof sphalerite, galena,chalcopyrite, arseno- The smallNody mercurydeposit,exploitedforpyrite...the recently discoveredporphyrygold depositsat Marte, Lobo, and elsewherein the Maricungabelt of northern |  | Koděra, Peter, Kozák, Jaroslav, Brčeková, Jana, Chovan, Martin, Lexa, Jaroslav, Jánošík, Michal, Biroň, Adrián, Uhlík, Peter, Bakos, František (2018) Distribution and composition of gold in porphyry gold systems: example from the Biely Vrch deposit, Slovakia. Mineralium Deposita, 53 (8) 1193-1212 doi:10.1007/s00126-018-0798-0 | Journal (article/letter/editorial) | | including the classical Maricunga belt in N Chile (e.g., Lobo, Marte, Maricunga (previously Refugio); Vila...solution in bornite and, to a lesser degree, chalcopyrite (Kesler et al. 2002; Sillitoe 2010). Sillitoe...as free grains of high fineness (910 to 990). At Marte, gold grains were found in the argillized groundmass...with sulfides (mostly pyrite, less commonly chalcopyrite, galena, and sphalerite) and their oxidation...symmetry. Uncommon sulfide veinlets (pyrite, chalcopyrite ± magnetite, marcasite, galena, sphalerite) |  | | Catalog/List | | piece. 1. GOLDEN BARYTE (9cm l 8cm l 7an) Meil:Je Mine, EU:o Co1U1ty, Nn-ada, USA Highly lusirou, brighl...CINNABAR ON DOLOMITE (3.5cm l 3cm l Ian) Xowidlow Province. China Sleoder modified beugooal cochineal - red...RHODONITE A QUARTZ (12cm 18cm x 4an) Clw,n,cM Mine, Dos� Mayo Province, Huanon Departement, Peru AA )OU can -...rare indeed and this recall fiDd a1 lbe Cbl11111cu mine produced some very fine material. This ,pecimen...pscudomoq,h. (See piclure on page 8) £125 4 12. CHALCOPYRITE & DOLOMITE ON UAH.YTE (6cm x 4cm x 2cm) Drieslar |  | Vikentyev, I. V., Mansurov, R. Kh., Ivanova, Yu. N., Tyukova, E. E., Sobolev, I. D., Abramova, V. D., Vykhristenko, R. I., Trofimov, A. P., Khubanov, V. B., Groznova, E. O., Dvurechenskaya, S. S., Kryazhev, S. G. (2017) Porphyry-Style Petropavlovskoe Gold Deposit, the Polar Urals: Geological Position, Mineralogy, and Formation Conditions. Geology of Ore Deposits, 59 (6) 482-520 doi:10.1134/s1075701517060058 | Journal (article/letter/editorial) | | 25–30 ppm on average. In addition to pyrite, chalcopyrite and pyrrhotite occur and native gold is identified...vol %. Pyrite is the main mineral; galena and chalcopyrite occur in subordinate amounts; pyrrhotite is...productive gold–sulfide assemblages (pyrite ± chalcopyrite + sphalerite + pyrrhotite is confined to chlorite–albite...pyrite, on the surface of its crystals or in chalcopyrite that is cementing pyrite (Figs. 9d, 9e). In...DEPOSITS Vol. 59 No. 6 2017 493 chalcopyrite or chalcopyrite + galena; no native gold has been established |  | | Report (issue) | | present in the general area of the Morning Star Mine a small polymetallic vein occurrence in the northeast...temperatures toward the area of the Morning Star Mine implying that an apophysis of the igneous phase...stockworks, may be close to the surface near the mine. East of, and near the margin of the quartz stockworks...gold in quartz stockworks near the Morning Star Mine must be mesothermal, and must be related to fluids...Hill/UNR) in the general area of the Old Marigold Mine (Graney and Wallace, 1988; Graney and McGibbon, |  | | Journal (article/letter/editorial) | | ®eld work in the Kwekwe district near the Indarama mine, approximately 200 km southwest of Harare, Zimbabwe...Zimbabwe and, on a world scale, represents a major province of vein and shear-zone hosted gold- and gold-antimony...gold production has not been recorded. The Ford mine is located about 10 km north of the town of Kwekwe...and processed at the nearby Indarama/Broomstock mine site. Gold is extracted by carbon-in-pulp cyanide...with a recovery of 90%. Mineralization at the Ford mine is not spatially related to major veins as are many |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | alteration assemblage in the deposit core, with minor chalcopyrite and lesser digenite, chalcocite, tetrahedrite-tennantite...halos occur around discrete faults and veins. Chalcopyrite-galena-sphalerite-pyrite infill is typically...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 |
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