 | | 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 |  | | 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) | | 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 |  | | 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 |  | 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 |  | | Journal (article/letter/editorial) | | east of the main Andean porphyry copper belt of Chile. The deposit consists of a composite stock of dacitic...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...producer in the world. Total reserves in the current mine plan are 402 million tons (Mt) with an average ore |  | | Journal (article/letter/editorial) | | east of the main Andean porphyry copper belt of Chile. The deposit consists of a composite stock of dacitic...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...producer in the world. Total reserves in the current mine plan are 402 million tons (Mt) with an average ore |  | | 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'""""'"'""'"'•..".......'_..'•.'.•:.•':....([Bi,Sb]2S3)around the ore zone. andtracesof sphalerite, galena,chalcopyrite, arseno- The smallNody mercurydeposit...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...as free grains of high fineness (910 to 990). At Marte, gold grains were found in the argillized groundmass...pyrite, less commonly chalcopyrite, galena, and sphalerite) and their oxidation products, as well as attached...chalcopyrite ± magnetite, marcasite, galena, sphalerite), accompanied mainly by chlorite and illite–smectite...illite–smectite, smectite Chalcopyrite, pyrite, galena, sphalerite, magnetite, rutile a Pyrophyllite, chalcopyrite |  | | 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...£95 13. PYROMORPHITE (8cm x 5cm x 3cm) Pc/1c/ojad Mine. Kurdja/1, Bulgaria A lovely display spccunon with |  | | 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...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...formed during pyrite oxidation throughout northern Chile (Sillitoe and McKee, 1996) and elsewhere, but quite |  | 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) | | gold–sulfide assemblages (pyrite ± chalcopyrite + sphalerite + pyrrhotite is confined to chlorite–albite and...with partial faceting and xenomorphic grains. Sphalerite makes up inclusions in pyrite, which are irregular...“captured” by pyrite metacrystals; (b) skarn: sphalerite starlets and xenomorphic impregnation of chalcopyrite...–carbonate 4 Tellurobismuthite Chalcopyrite Sphalerite Galena Native gold Alaite Calaverite Petzite...apparently related to submicroscopic galena and sphalerite inclusions. According to EPMA, small Bi, Se, |  | | Journal (article/letter/editorial) | | 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...belt and an intra-arc fault zone: the northern Chile part of the central Andean middle Eocene to early |  | 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) | | ®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 |  | | Journal (article/letter/editorial) | | portion of a quartz vein from the Marte porphyry-epithermal system, Chile, showing an FIA consisting of vapor-rich...of a quartz vein from the North American Emerald mine, North Carolina, showing six healed fractures containing...data from a large, chemically and color-zoned sphalerite crystal (Fig. 3a) from the OH vein of the Creede...temperature and salinity during formation of the sphalerite crystal are known, but how these parameters varied...The same microthermometric data for the Creede sphalerite shown in Figure 3 have been replotted on Figure |  | Volkov, A. V., Savva, N. E., Sidorov, A. A., Kolova, E. E., Chizhova, I. A., Alekseev, V. Yu. (2015) The Agan epithermal gold-silver deposit and prospects for the discovery of high-sulfidation mineralization in northeast Russia. Geology of Ore Deposits, 57 (1) 21-41 doi:10.1134/s1075701515010067 | Journal (article/letter/editorial) | | pyrite–pyrrhotite–arsenopyrite mineral complex with Ferich sphalerite. The HS deposits contain an enarg ite–luzonite–covellite...tennantite–tetrahe drite–chalcopyrite assemblage and sphalerite with small Fe admixture, and they contain rhodochrosite...Martabe Wafi River Ladolam Veladoro Pascua Lama Lobo Marte Cerro Casale El Indio Alto Chicama Yanacocha Pierina...Indonesia Papua Papua Argentina Argentina Chile Chile Chile Peru Peru Peru Peru Ecuador Columbia Dominican...subordinate ore minerals include pyrrhotite, sphalerite (cleiophane), stephanite, selenbearing canfieldite |  | | 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) | | discrete faults and veins. Chalcopyrite-galena-sphalerite-pyrite infill is typically associated with this...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 |  | | 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, |  | | Book | | Manchester in 1973 (Ph.D.) and was then employed as a mine and exploration geologist by Falcon Mines Ltd in...economic geologist with the Geological Survey of Chile. During the last 19 years he has worked as an independent...13.1 Introduction 13.2 Market setting 13.3 Gold-mine production 13.3.1 World-wide trends 13.3.2 Brazil...average 3.5 ppb gold with little variation in anyone province (3.7, 3.8 and 3.1 ppb respectively). In comparison...mafic syenite; Montana, US 2.85 1.9 Trans-Pecos province; syenogabbro, syenite, granite; Texas, US 0.74 |  | | 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 |  | Voudouris, Panagiotis, Mavrogonatos, Constantinos, Melfos, Vasilios, Spry, Paul G., Magganas, Andreas, Alfieris, Dimitrios, Soukis, Konstantinos, Tarantola, Alexandre, Periferakis, Argyrios, Kołodziejczyk, Joanna, Scheffer, Christophe, Repstock, Alexander, Zeug, Manuela (2019) The geology and mineralogy of the Stypsi porphyry Cu-Mo-Au-Re prospect, Lesvos Island, Aegean Sea, Greece. Ore Geology Reviews, 112. 103023 doi:10.1016/j.oregeorev.2019.103023 | Journal (article/letter/editorial) | | gold were followed in time by pyrite, hematite, sphalerite and galena. Stage I mineralization was synchronous...chalcopyrite (for Fe, Cu and S), galena (for Pb), sphalerite (for Zn), HgS (for Hg), Sb2S3 (for Sb) and synthetic...hematite, galena, and sphalerite (substage IC; Figs 8f-h and 9c-h). Pyrite and sphalerite also fill fractures...which accompany pyrite, hematite, chalcopyrite, sphalerite, galena, molybdenite, and bornite (Figs 8b,h...contain pyrite, hematite chalcopyrite, molybdenite, sphalerite, galena, and tetrahedrite/tennantite within a |  | | 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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