 | | Journal (article/letter/editorial) | | 271–305 Geologic Evolution of the Escondida Area, Northern Chile: A Model for Spatial and Temporal Localization...Cu deposits at Escondida, Zaldívar, and Chimborazo (Cordillera de Domeyko, northern Chile). The purpose...explain the giant scale of mineralization at Escondida and provide predictive tools for exploration in...intermediate to felsic Permo-Carboniferous volcanism (La Tabla Formation), and these rocks appear to constitute...throughout much of the porphyry belt of northern Chile. Geochemically, they are I-type in character, but |  | | 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 |  | Correa, Karen J., Rabbia, Osvaldo M., Hernández, Laura B., Selby, David, Astengo, Marcelo (2016) The Timing of Magmatism and Ore Formation in the El Abra Porphyry Copper Deposit, Northern Chile: Implications for Long-Lived Multiple-Event Magmatic-Hydrothermal Porphyry Systems. Economic Geology, 111 (1) 1-28 doi:10.2113/econgeo.111.1.1 | Journal (article/letter/editorial) | | in the El Abra Porphyry Copper Deposit, Northern Chile: Implications for Long-Lived Multiple-Event Magmatic-Hydrothermal...Ciencias de La Tierra, Casilla 160-C, Universidad de Concepción, Concepción CP 4030000, Chile 2 Instituto...Universidad de Concepción, Concepción CP 4030000, Chile 3 Department 4 Superintendencia of Earth Sciences...Contractual Minera El Abra, Calama CP 1390000, Chile Abstract Zircon LA-ICP-MS and CA-TIMS and molybdenite Re-Os...geochronology for the El Abra porphyry copper deposit (Chile) document a ~8.6 Ma protracted magmatic-hydrothermal |  | | Journal (article/letter/editorial) | | Canyon, Utah; Collahuasi, Chuquicamata, La Escondida, El Teniente, Chile) makes them valuable exploration targets... RICHARDS 10000 Chimborazo Escondida (RP) Escondida (EP) 1000 Zaldívar (LP) Primitive Mantle Normalized...Ti Sn Eu Zr Hf Nd Sm Sr P Pr M Ce Pb K La U Nb Th Ba Tl Rb Cs 0.1 Element FIG. 2....intrusions from Escondida, Zaldívar, and Chimborazo, northern Chile, and coeval regional diorite intrusions...normalization values from Sun and McDonough (1989). EP = Escondida porphyry, LP = Llamo porphyry, RP = Rhyolitic |  | Perello, J., Carlotto, V., Zarate, A., Ramos, P., Posso, H., Neyra, C., Caballero, A., Fuster, N., Muhr, R. (2003) Porphyry-Style Alteration and Mineralization of the Middle Eocene to Early Oligocene Andahuaylas-Yauri Belt, Cuzco Region, Peru. Economic Geology, 98 (8) 1575-1605 doi:10.2113/gsecongeo.98.8.1575 | Journal (article/letter/editorial) | | Peru JOSÉ PERELLÓ,† Antofagasta Minerals S.A. Ahumada 11, Oficina 602, Santiago, Chile VÍCTOR CARLOTTO...Universidad Nacional San Antonio Abad del Cuzco. Avenida de la Cultura, Cuzco, Perú ALBERTO ZÁRATE, PEDRO RAMOS...CABALLERO, Minera Anaconda Perú S.A. Avenida Paseo de la República 3245, Piso 3, San Isidro, Lima 27, Perú...AND RICARDO MUHR Antofagasta Minerals S.A. Ahumada 11, Oficina 602, Santiago, Chile Abstract Originally...rapidly emerging as an important porphyry copper province. Field work by the authors confirms that mineralization |  | Munizaga, Francisco, Maksaev, Victor, Fanning, C.M., Giglio, S., Yaxley, G., Tassinari, C.C.G. (2008) Late Paleozoic–Early Triassic magmatism on the western margin of Gondwana: Collahuasi area, Northern Chile. Gondwana Research, 13 (3) 407-427 doi:10.1016/j.gr.2007.12.005 | Journal (article/letter/editorial) | | western margin of Gondwana: Collahuasi area, Northern Chile Francisco Munizaga a , Victor Maksaev a,⁎, C.M....Departamento de Geología, Universidad de Chile, Plaza Ercilla 803, Santiago, Chile Research School of Earth Sciences...de Collahuasi, SCM, Pedro Lagos 1090, Iquique, Chile d Research School of Earth Sciences, Australian...‘Altiplano’ high plateau of the Andes of northern Chile mostly consists of late Paleozoic to Early Triassic...of Chile, the Frontal Cordillera of Argentina (Choiyoi Group or Choiyoi Granite-Rhyolite Province), and |  | Simmons, A. T., Tosdal, R. M., Wooden, J. L., Mattos, R., Concha, O., McCracken, S., Beale, T. (2013) Punctuated Magmatism Associated with Porphyry Cu-Mo Formation in the Paleocene to Eocene of Southern Peru. Economic Geology, 108 (4) 625-639 doi:10.2113/econgeo.108.4.625 | Journal (article/letter/editorial) | | 20° La Colorado Rosario-Uyina-Quebrada Blanca Bolivia N Spence trench Chuquicamata eru-Chile Eocene-Oligocene...Eocene-Oligocene porphyry Cu-Mo belt La Escondida Axis of P 25° El Salvador Bajo de la Alumbrera Miocene porphyry...porphyry Cu-Au belt 30° Chile Argentina Miocene porphyry Cu-Mo belt Santiago 0 50 El Teniente 35° ...belts of the central Andes of southernmost Peru and Chile. Modified from Sillitoe and Perelló (2005). has...equivalent to the Domeyko fault system in northern Chile, which localized most of the younger Eocene porphyry |  | | Journal (article/letter/editorial) | | PALEOPROTEROZOIC PRECURSOR TO THE LARAMIDE PORPHYRY COPPER PROVINCE Richard H. Sillitoe,1,† Robert A. Creaser,2 Richard...Américo Vespucio 100, piso 8, Las Condes, Santiago, Chile Abstract Re-Os dating of two molybdenite samples...(Late Cretaceous-early Tertiary) porphyry copper province of southwestern North America as previously presumed...island-arc setting and are now part of the Yavapai province, which was assembled and accreted to the Archean...slightly older VMS deposits shows that the Laramide province of southwestern North America first developed |  | | Journal (article/letter/editorial) | | ppm, Yb ≤1.9 ppm, Ni ≥20 ppm, Cr ≥30 ppm, Sr/Y ≥20, La/Yb ≥20, and 87Sr/86Sr ≤0.7045. Rocks with such compositions...as low Y and Yb concentrations and high Sr/Y and La/Yb ratios, can be generated in normal asthenosphere-derived...Kay (1978), these rocks were characterized by high La/Yb ratios (i.e., high ratios of light rare earth...Rapp and Watson (1995); the HREE depletions (high La/Yb ratios) indicated residual garnet in the source...(1986), Drummond and Defant (1990) also used a plot of La/Yb versus Yb (Fig. 1b) to emphasize the strong HREE |  | Huang, Xiao-Wen, Sappin, Anne-Aurélie, Boutroy, Émilie, Beaudoin, Georges, Makvandi, Sheida (2019) Trace Element Composition of Igneous and Hydrothermal Magnetite from Porphyry Deposits: Relationship to Deposit Subtypes and Magmatic Affinity. Economic Geology, 114 (5) 917-952 doi:10.5382/econgeo.4648 | Journal (article/letter/editorial) | | Survey of Canada, Natural Resources Canada, 490 rue de la Couronne, Québec, Québec G1K 9A9, Canada 5 Agnico...ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) and then classified by partial least squares-discriminant...ablation-inductively coupled plasma-mass spectrometry (LA-ICPMS). The geochemical data were investigated by...stocks of intermediate to felsic composition, e.g., diorite, monzonite, monzodiorite, syenite, granite, and...Yonsei University user Western South America Bajo de la Argentina Cu-Au Production and Miocene High-K Dacite |  | | Journal (article/letter/editorial) | | areas, we chose a case study area in the Kerman province in southeast Iran where there are only nine known...Sillitoe, 2010). Quartz monzonite, diorite, granodiorite, quartz diorite, and monzonite are the most commonly...rocks consisting mainly granodiorite, granite, diorite, gabbro, monzosyenite, and monzonite. Other outcropping...Overheated, Cu-bearing magmas in the Zaldívar porphyry-Cu deposit, Northern Chile: geodynamic consequences. Tectonophysics...deposits spatially localized? A case study in Benguet province, Philippines. Nat. Resour. Res. 11, 45–59. Carranza |  | Stefanova, E., Driesner, T., Zajacz, Z., Heinrich, C. A., Petrov, P., Vasilev, Z. (2014) Melt and Fluid Inclusions in Hydrothermal Veins: The Magmatic to Hydrothermal Evolution of the Elatsite Porphyry Cu-Au Deposit, Bulgaria. Economic Geology, 109 (5) 1359-1381 doi:10.2113/econgeo.109.5.1359 | Journal (article/letter/editorial) | | porphyry in the Zaldivar porphyry Cu deposit in Chile to represent the primary magmatic fluids exsolved...saturation of the Llamo porphyry at depth. At the Bajo de la Alumbrera porphyry Cu-Au deposit in Argentina, Harris...Cu-Au deposit is the largest operating open-pit mine in Bulgaria, located on the Etropole ridge of the...1000 Quartz-monzodiorite porphyries Diorite porphyries Gabbro-diorite porphyries 1090 Paleozoic host rocks...variations ranging from microdiorite to quartz-diorite porphyry. These authors proposed a chemically zoned |  | | Book | | continue in the Patagonian Andes of Argentina and Chile over the last years. As a result of this extensive...de Geología, Universidad Andres Bello, Santiago, Chile Graeme Eagles Helmholtz Centre for Marine and Polar...de Geología, Universidad Andres Bello, Santiago, Chile Gonzalo Galaz Departamento de Geología Regional...Bello, Santiago, Chile; Departamento de Geología, Universidad de Chile, Santiago, Chile Marco Maffione Department...Servicio Nacional de Geología y Minería, Santiago, Chile Christian Sue Bourgogne Franche-Comté University |  | Lang, Xinghai, Wang, Xuhui, Deng, Yulin, Tang, Juxing, Xie, Fuwei, Yang, Zongyao, Yin, Qing, Jiang, Kai (2019) Hydrothermal evolution and ore precipitation of the No. 2 porphyry Cu–Au deposit in the Xiongcun district, Tibet: Evidence from cathodoluminescence, fluid inclusions, and isotopes. Ore Geology Reviews, 114. 103141 doi:10.1016/j.oregeorev.2019.103141 | Journal (article/letter/editorial) | | quartz diorite porphyry (181–175 Ma; Lang et al., 2014a), Early–Middle Jurassic quartz diorite porphyry...Lang et al., 2014b), and Middle Jurassic quartz diorite porphyry (167–161 Ma; Lang et al., 2014a) and diabase...intrusions include biotite granodiorite, quartz diorite, granitic aplite dikes (Tang et al., 2012), and...is mainly hosted in the Early Jurassic quartz diorite porphyry and surrounding contemporary tuff (Fig...dominantly occurs in the Early Jurassic quartz diorite porphyry (Fig. 1e, 2). It is not possible to identify |  | | Journal (article/letter/editorial) | | Lincoln] at 19:53 01 June 2016 Location Southern Chile Solomon Islands Western North America Panama South...the central Aleutian arc and from the southern Chile SRSE. In the central Aleutian example, it was believed...other Cenozoic to recent SRSEs, including southern Chile (Breitsprecher and Thorkelson 2009), the southwestern...association with the Cenozoic to recent SRSEs in southern Chile (Kaeding et al. 1990; Guivel et al. 1999; Anma et...statistics and systematic errors associated with the LA-ICP-MS technique (see Gehrels and Pecha 2014 for |  | | Book | | in deposit scale, but also in semi-regional (near mine) and regional (mineral belts) scales. The models...uncertainty values represent: (1) Observed in field, mine or drill-core; (2) Interpreted from geophysical...reflection seismic profiles between the Neves Corvo mine and the Spanish border allowed to extend a 3D-model...predictive model, constructed for the Neves Corvo mine, delineates, not only the known Neves Corvo orebodies...associated iron oxide replacement and skarn in the Cala mine and the Ni-(Cu-PGE) deposit in the Aguablanca mafic |  | | Journal (article/letter/editorial) | | globules from porphyritic intrusions of the Bajo de la Alumbrera porphyry copper deposit in Argentina. Heating...quartz phenocrysts from the Zaldívar porphyry copper deposit of northern Chile. Klemm et al. (2007) observed...from the El Teniente porphyry Cu-Mo deposit in Chile, where salt inclusions with no observable vapour...ablation–inductively coupled plasma mass spectrometry (LA-ICPMS) analyses indicated that these inclusions contained...km2 within the central highlands of the Papua province in eastern Indonesia. The district contains intrusive |  | Koděra, Peter, Takács, Ágnes, Racek, Martin, Šimko, František, Luptáková, Jarmila, Váczi, Tamás, Antal, Peter (2017) Javorieite, KFeCl3: a new mineral hosted by salt melt inclusions in porphyry gold systems. European Journal of Mineralogy, 29 (6) 995-1004 doi:10.1127/ejm/2017/0029-2672 | Journal (article/letter/editorial) | | and Štiavnica; Fig. 1), all hosted by stocks of diorite porphyries emplaced in andesites and prevolcanic...concentration of Cl in some silicate minerals in altered diorite porphyry. There, some of the Fe-rich biotites (annite)...Chlorine-enriched tourmalines in hydrothermally altered diorite porphyry from the Detva, Biely Vrch porphyry gold...Overheated, Cu-bearing magmas in the Zaldívar porphyry-Cu deposit, northern Chile. Geodynamic consequences. Tectonophysics...(1975): The porphyry copper deposit at El Salvador, Chile. Econ. Geol., 70, 857–912. Hanes, R., Bakos, F. |  | Peng, Hui-juan, Mao, Jing-wen, Hou, Lin, Shu, Qi-hai, Zhang, Chang-qing, Liu, Huan, Zhou, Yun-man (2016) Stable Isotope and Fluid Inclusion Constraints on the Source and Evolution of Ore Fluids in the Hongniu-Hongshan Cu Skarn Deposit, Yunnan Province, China. Economic Geology, 111 (6) 1369-1396 doi:10.2113/econgeo.111.6.1369 | Journal (article/letter/editorial) | | the Hongniu-Hongshan Cu Skarn Deposit, Yunnan Province, China Hui-juan Peng,1,2,3 Jing-wen Mao,2 Lin...(after W.C. Li et al., 2012). County, Yunnan Province. The deposit consists of two ore blocks: the Hongshan...monzonite porphyry and porphyritic granite of the mine area, and the petrography, major, and trace element...from Gaogong in Sichuan Province in the north to Zhongdian in Yunnan Province in the south (Fig. 1A)....volcanic rocks, magnetite series granodiorite (diorite), and monzonite granite (W.C. Li et al., 2013; |  | Zhao, Junxing, Qin, Kezhang, Xiao, Bo, McInnes, Brent, Li, Guangming, Evans, Noreen, Cao, Mingjian, Li, Jinxiang (2016) Thermal history of the giant Qulong Cu–Mo deposit, Gangdese metallogenic belt, Tibet: Constraints on magmatic–hydrothermal evolution and exhumation. Gondwana Research, 36. 390-409 doi:10.1016/j.gr.2015.07.005 | Journal (article/letter/editorial) | | throughout (Yang et al., Diorite porphyrite dikes The post-mineralization diorite porphyrite has an outcrop...ablation inductively coupled plasma mass spectrometry (LA-ICPMS) with a COMPex Pro 193-nm excimer laser coupled...spectrometry (SIMS) using a Cameca IMS-1280 at IGGCAS. For LA-ICPMS, the sample was cleaned with ethanol to eliminate...(Ludwig, 2003). Commonly, systematic uncertainties in LA-ICPMS zircon U-Pb dating arise from four major AC...analyses, U-Th-Pb ratios and elemental abundances for diorite porphyrite sample 1604-543 were determined relative |  | | Journal (article/letter/editorial) | | Gil-Crespo c a b c Instituto Andaluz de Ciencias de la Tierra y Departamento de Geodinámica (CSIC-Universidad...Present address: Instituto Andaluz de Ciencias de la Tierra y Departamento de Geodinámica, Universidad...Granada prior to the laser ablation ICP MS (LA-ICPMS) analysis. The LA-ICPMS system is an Agilent-7500 spectrometer...grains from a diorite analysed at the Nordsims laboratory (307 ± 3 Ma) with those obtained by LA-ICPMS (309...multiequilibrium thermobarometry approach. Bulletin de la Societé Gélogique de France 176, 419–432. Azañón |  | | Journal (article/letter/editorial) | | postorogenic intrusions, represented by gabbro–diorite and granite plutons. Part of these rocks presents...the upper crustal conductor beneath the Santa Rita mine is connected to the mid- to lower-crust conductor...conductor C to the surface feature near the Santa Rita mine: systematic forward modeling and inversion with...the near-surface conductor under the Santa Rita mine. (a) Section of the original geoelectric model in...of the Brasília belt external zone, in the gold mine region, and in the central and western side of the |  | Bianchini, Gianluca, Beccaluva, Luigi, Nowell, Geoff M., Pearson, D. Graham, Siena, Franca (2011) Mantle xenoliths from Tallante (Betic Cordillera): Insights into the multi-stage evolution of the south Iberian lithosphere. Lithos, 124 (3) 308-318 doi:10.1016/j.lithos.2010.12.004 | Journal (article/letter/editorial) | | Quaternary sedimentary basins where the SE Volcanic Province of Spain developed (SEVP; Benito et al., 1999;...and orthopyroxenites crosscut by gabbronorite/diorite veins – up to 4 cm thick – and millimetric gab...orthopyroxenites crosscut by anorthosite, gabbronorite and diorite veins and veinlets have been reported by Arai et...Peridotites 1 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu b Rock/Chondrite Quartz-diorite vein Eu 100...Amph-bearing orthopyroxenite 1 Amph-bearing harzburgite La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu c Amph/Phl |  | Zhao, Junxing, Qin, Kezhang, Li, Guangming, Cao, Mingjian, Evans, Noreen J., McInnes, Brent I.A., Li, Jinxiang, Xiao, Bo, Chen, Lei (2015) The exhumation history of collision-related mineralizing systems in Tibet: Insights from thermal studies of the Sharang and Yaguila deposits, central Lhasa. Ore Geology Reviews, 65. 1043-1061 doi:10.1016/j.oregeorev.2014.09.026 | Journal (article/letter/editorial) | | 1–53 Ma), contains quartz monzonite and quartz diorite; Unit 2, Fig. 3. Simplified geological maps and... 206 Pb/238U 3. Analytical methods 3.1. Zircon LA-ICP-MS U–Pb geochronology The ages of intrusions...All results are shown in Table 3. 4. Results 4.1. LA-ICP-MS zircon U–Pb geochronology Analyzed zircon...constraints on the evolution of the Zaldívar porphyry copper deposit, Northern Chile. Mineral. Deposita 44, 329–342...U–Pb, 40Ar/39Ar and (U–Th)/He chronometers, Bajo de la Alumbrera copper–gold deposit, Argentina. Mineral |  | | Report (volume) | | and sediment. Concentrated waters associated with mine wastes may precipitate a variety of metal-sulfate...role of soluble sulfate minerals formed from acid mine drainage (and its natural equivalent, acid rock...ENVIRONMENTS .................................... . 351 Mine drainage .........................................octahedra. The structure of coskrenite-(Ce), (Ce,Nd,La)2(SO4)2(C2O4)(H2O)8, the only sulfateoxalate mineral...Ce)Al(SO4)2(C2O4)·12H2O, and zugshunstite-(Ce), (Ce,Nd,La)Al(SO4)2(C2O4)·12H2O, are known (Peacor et al. 1999b) |
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