 | | 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...c alteration,whichcarriesbarite, nativesulfur,enargite,andat La Pepa,high-grade,vein-type goldmineralizationof...38-2353.00 1238 Au PORPHYRY,MARICUNGA BELT, CHILE 1239 and west of Marte which compriseadvancedargillic...gold-silver-copperprogressivelysouthwardand ends about latitude (enargite-gold) depositfrom 1976 to 1978, intensive 27ø30' |  | | 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) | | Vol. 86, 1991, pp. 1187-1205 Gold Metallogeny of Chile RICHARD an Introduction H. SILLITOE 27 WestHill...includingnewly recognizedgold-onlyexamplesat Marte and Lobo, accompany quartzstockworks developedin dioriticto...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-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...-LAMA VELADERO EL INDIO -30° -30° El Indio belt LOBO LA PEPA VOLCAN PANTANILLOS Santiago -70° -27°30’ |  | 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...chalcopyrite, covellite,tennantitetetrahedrite,enargite,galena,andsphaleritealsohavebeenobservedin the...1980-1985, suchasLa Coipa (1980-1982), Esperanza (1981), Lobo-Marte (1982-1984), E1 The earliestwritteninformationaboutLa |  | 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...alteration, accompanied by minor high-sulfidation enargite mineralization, locally affected the southern...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...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 Pascua-Lama |  | | 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...zones of vuggy residual quartz that can contain enargite or, at higher elevations, barite. Of the three...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) | | Geochronologyof the Maricunga Gold-Silver Belt, Northern Chile RICHARD H. SILLITOE, 27 WestHill Park, HighgateVillage...ileLtda., AvenidaPedrode Valdivia295, Santiago,Chile Abstract The Maricungametallogenicbelt in northernChile...Reand 28 ø S in the Andean Cordillera of northern Chile at Aldebaran,gold-silverat (Fig. 1) at altitudesrangingfromabout4...LA COIPA/24-20) - 27" MARTE(14-13) .• \.•../ LOBO(13)' i LA PEPA I L ß PANTANILLOS (22) •.-.j...teethon upthrownside ALTERATION AGE,(Ma) (22) MINE OR PROSPECT VOLCANIC CENTER FIG.1. Location of |  | | Journal (article/letter/editorial) | | The specimens from the Hokuetsu mine, Japan and the Mankayan mine, Philippines have most nearly stoichiometric...mol % Cu3SbS4. They from the Lobo mine, Philippines and the Kinkaseki mine, Formosa have from 2 to 12 mol...Skinner (1960). Lz: luzonite, Fm: famatinite, En: enargite. (昭 和53年2月8日 受 理) 64 苣木 Cu3SbS4成 AsS4成 分...して検 量 線 を求 めれ ば,こ れ に よ って ル ゾ ナ イ Mankayanお よ びLobo両 新 潟 県 北 越 鉱 山,北 赤 石 両 鉱 山,台 の 鉱 山 産 ル ゾ ナ イ...bismuthinite and emplectite from the Toriyabe vein, Teine mine. B: Growth zoning band of mineral in luzonitefamatinite | | | Report (issue) | | Mountain (British Columbia, Canada) and El Teniente (Chile) porphyry copper deposits.........................important copper ore minerals may include bornite and enargite. Ore minerals occur as disseminations and in stockworks...deposits include El Teniente and El Salvador in Chile, Bajo de la Alumbrera in Argentina, Grasberg in...regional faults such as near deposits in northern Chile (Behn and others, 2001; Gow and Walshe, 2005), central...substantial amounts of copper may occur as bornite, enargite, and chalcocite. By-product minerals frequently |  | | Journal (article/letter/editorial) | | deposits in the western Luzon arc are determined: Lobo-Boneng (10.5±0.4 Ma), Santo Niño (9.5±0.3 Ma), Black...Solomon Islands defines a significant metallogenic province. The purpose of this paper is to document the...(Fig. 1) delineates late Cenozoic metallogenic province typical of the western Pacific margin. The chain...Guinaoang (Tirad) (Sillitoe and Angeles, 1985), the Lobo and Boneng (Jacinto, 1977), the Santo Niño (Bryner...(1995), Guinaoang: Sillitoe and Angeles (1985), Lobo: this study, Santo (Wolfe et al., 1978) in the southwestern |  | | Journal (article/letter/editorial) | | enargiteluzonite Cu-Au deposit in Mankayan, Benguet Province, Philippines. The principal orebody consists of...sulfidation-type enargite-luzonite CuAu deposit in the Mankayan Mineral District, Benguet Province, northern...Solomon Islands defines a significant metallogenic province. The Philippine archipelago is situated in the...the Santo Tomas II, Black Mountain, Santo Niño, Lobo and Boneng mines (Balce, 1979; Sillitoe and Gappe...and Au-bearing skarn deposit of the Thanksgiving mine (Callow, 1967). The geologic outline and distribution |  | Deng, Jianghong, Yang, Xiaoyong, Zhang, Li-peng, Duan, Liuan, Mastoi, Abdul Shakoor, Liu, He (2020) An overview on the origin of adakites/adakitic rocks and related porphyry Cu-Au mineralization, Northern Luzon, Philippines. Ore Geology Reviews, 124. 103610pp. doi:10.1016/j.oregeorev.2020.103610 | Journal (article/letter/editorial) | | (Imai, 2002; Sajona and Maury, 1998), e.g., The Lobo-Boneng 218 and Santo Niño porphyry Cu-Au deposits...The Mid-Upper 245 Miocene deposits include the Lobo-Boneng and Santo Niño porphyry Cu-Au deposits 246...are summarized as follows. 253 (1) The Miocene Lobo-Boneng porphyry Cu deposit is located north of the...biotite-altered quartz diorite 262 porphyry from the Lobo deposit, represents the age of biotitization during...extracted by underground mining 318 from 1931 to mine closure in 1991 (Cooke and McPhail, 2001; Cooke |  | | Journal (article/letter/editorial) | | copper-typedepositlocatedin northwesternArgentina in the province of Catamarca. It was investigatedby Cities Service...very unusualassemblage: pyr[te-covellite-bornite-enargite-molybdenite-sphalerite-galena-marcasit. e-rhodochrosite-native... There are someindication.s central Catamarca province to the Mi Vida-Filo suggestinga ,relationbetweenthat...molybdenite, mgt= magnetite, cv = covellite, en = enargite, sph= sphalerite, gn = galena, rho= rhodochrosite...Gonz•tlezBonorino (1950b), a lipariteby Sisterand Lobo (1966), and a quaternarygravelby Navarro (1969) |  | | Journal (article/letter/editorial) | | with sphalerite and galena at deeper part, while enargite and stibnite at shallower levels associated with...through the Cenozoic in the island arc setting in mine was operated by Benguet Corporation by an open pit...municoang (Tirad) (Sillitoe and Angeles, 1985), the Lobo and ipality of San Marcelino, Zambales, about 80... Fig. 2 Geology and alteration map of the Dizon mine and the vicinity (modified after Malihan, 1987)...stibnite cut across the porphyry system (Figs. 2, 3). Enargite is found at a shallower portion of these veins |  | | 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'""""'"'""'"'•..".......'_..'•.'.•:.•':....recently discoveredporphyrygold depositsat Marte, Lobo, and elsewherein the Maricungabelt of northern Chilepossess...ng palcowatertable descent.The La Coipadeposit,Chile, similarlylocated Gold-silver mineralization immediatelybeneatha |  | | Journal (article/letter/editorial) | | Published online September 2008 The reaction of enargite with alkaline NaClO solutions: an AFM and flow-through...08028, Catalunya, Spain Abstract: The reaction of enargite, Cu3AsS4, with alkaline NaClO solutions is of...K). Likewise, the evolution of the reaction of enargite powder (25 < size fraction < 53 lm) interacting...be on the order of 108 mol m2 s1. Key-words: enargite, oxidative dissolution, alkaline solution, AFM...experiment, sulphur, arsenic. 1. Introduction Enargite, Cu3AsS4, is a mineral of remarkable environmental |  | | Journal (article/letter/editorial) | | the country. The Taysan porof Mt. Loboproduced enargite withsilverin a barite phyry copper depositis locatedin...The Tolos intrusive is 11 to 12 km wide and has Province. Gold was producedfrom the Antipolo an exposedlength...elongationapproximately northwest. The batholith is intruded into mine,located 1.5kmwestof theTaysandisseminated copper...peninsulaof Luzon are a complexof intra- Antipolo gold mine 1.5 km west of the batholith arc rifting and minor...theextensive pyroclastics. alongthe roadfrom Dagatanto Lobo. It is magnetic and containsplant remainsand gastropodssuggest- |  | Lescuyer, J. L., Leistel, J. M., Marcoux, E., Milési, J. P., Thiéblemont, D. (1997) Late Devonian-Early Carboniferous peak sulphide mineralization in the Western Hercynides. Mineralium Deposita, 33 (1) 208-220 doi:10.1007/s001260050141 | Journal (article/letter/editorial) | | (stannite, mawsonite), Bi (bismuthinite) and As (enargite) (Cesbron et al. 1985). Armorican Massif (ChaÃteaulin...part of this domain is overthrust by the Pulo do Lobo Unit that has been aected by a Late Devonian compression...1995, 1996), whereas in the neighbouring Pulo do Lobo Unit, Eden and Andrews (1990) de®ne a Givetian to...les Jebilet (Maroc); une correÂlation avec la province pyriteuse du Sud de l'Espagne. CR Acad Sci Paris...Signature isotopique du plomb des amas sulfureÂs de la province de Huelva, Espagne. ConseÂquences meÂtallogeÂniques |  | | Journal (issue) | | crystals on quartz from an abandoned pyrophyllite mine near Snow Camp, Alamance County, North Carolina...it. The efforts of clubs to promote safety during mine and quarry visits should be stressed. As a good...assemble a suite of properly labelled specimens for the mine or quarry office. Many of us know of localities...col lection of these fine stibnites from this new mine near Felsobanya. The xls on these are much larger...at that time geologist at the ASARCO underground mine at Quiruvilca, Peru, presented to the Mineralogical |  | | Journal (article/letter/editorial) | | LOUIS, 14, MO. OPALS, BRILLIANT COLORS-Direct from mine, 15 for $5.00. 10 ringsize cabochons (opal, amethyst...COLLECTION-Miniatures of di optase. Tiger Mine; vanadinite, Old Yuma Mine; enargite crystals, Butte, Mont. $2 each... 75?. Money back Carlsbad, N e w guarantee. Lobo, Box 144-R, Mexico. CAPPING BAROQUES IS N O...garnet dodecahedrons. Collected in 1923 at Trotter Mine. 1 V 2 x2 to 2x3. $2.00; $2.50; $3.00; $4.00. AXINITE...Bakerite Burkeite Actinolite Orpiment Braunite Enargite Priceite Jarosite Linarite •Amethyst •Turquoise |  | | Journal (article/letter/editorial) | | Deposit at Marte, Northern Chile TOMkS VILA, Minera Anglo American Chile Ltda., Avenida Pedro de Valdivia...Valdivia 295, Santiago,Chile RICHARD H. SILLITOE, 27 West Hill Park, Highgate Village, London N6 6ND, England...CopiapS,Chile AND ENRIQUEVITERI** Minera AngloAmericanChile Ltda., ChaKarcillo840, CopiapC,Chile Abstract...Santiago,Chile. ** Presentaddress:Avenida11 de Septiembre2250, Oficina1304, Santiago,Chile. 0361-01...de losAndes)of the Atacamaregion(Regi6nIII) of Chile, some130 km eastof Copiap6(Fig. 1), the regionalcapital |  | 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...Valle, and other gold deposits); at some deposits (Lobo, Refugio), this cap has been eroded. The deposits...a large volume of ore are successfully mined in Chile at a rather great height (3000–4500 m). The Marte...t, 1.43 g/t Au, 500 ppm Cu, and 4.6 ppm Mo; the Lobo deposit, with Au reserves of 128 t, 1.6 g/t Au, |  | | 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 |  | | Report (issue) | | needed) names in capital letters above the list of mine names. For example, the Rawhide and Wonder districts...and Gooseberry. Epithermal quartz-alunite Au (or enargite gold) deposits are represented by the Pyramid...quartz-alunite Au or enargite gold deposits such as Goldfield, NV, Summitville, CO, and El Indio, Chile, are characterized...characterized by quartz-pyritegold-enargite veins and breccias in zones of high-alumina, acid-sulfate hydrothermal...sphalerite + galena + chalcopyrite + bornite to enargite + pyrite ± chalcopyrite in the central area (Wallace |
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