 | | Journal (article/letter/editorial) | | Vol. 96, 2001, pp. 1799–1826 The Candelaria-Punta del Cobre Iron Oxide Cu-Au(-Zn-Ag) Deposits, Chile ROBERT...large Candelaria mine and a group of middle- and small-sized mines in the Punta del Cobre district, which...by volcanic and volcaniclastic rocks of the Punta del Cobre Formation and, in places, also occur in volcaniclastic...deposit. Chalcopyrite is the only hypogene Cu mineral. The Cu-Au ore is characterized by abundant magnetite...± epidote alteration at Candelaria. In the Punta del Cobre district, ore in the deeper parts of the deposits |  | Veloso, E., Cembrano, J., Arancibia, G., Heuser, G., Neira, S., Siña, A., Garrido, I., Vermeesch, P., Selby, D. (2017) Tectono-metallogenetic evolution of the Fe–Cu deposit of Dominga, northern Chile. Mineralium Deposita, 52 (4) 595-620 doi:10.1007/s00126-016-0682-8 | Journal (article/letter/editorial) | | structural elements and Fe–Cu-rich paragenetic mineral assemblages. Deep seated, NE-to-E striking structural...(vermiculite–anhydrite–chalcopyrite, stage IIIb) mineral associations. Shallowly developed, NNE-striking...(Intermediate Structural System, ISS) on which a hematite–calcite assemblage (stage IV) occurs mostly as infill material...Keywords Structural element . Stress . Strain . Mineral paragenesis . Radiometric dating Introduction...sedimentary rocks of the Punta del Cobre Formation (e.g., Creixell and Arévalo 2009) and into previously uncharted |  | | Journal (article/letter/editorial) | | relationships between the pyrobitumen-rich lavas and the mineral deposits allow us to define this volcanic belt...Cretaceous . Chile Introduction Strata-bound mineral deposits hosted in solid hydrocarbonbearing Cretaceous...pyrobitumen), δ13C values of pyrobitumen and hydrothermal calcite, δ34S values of the Fe- and Cu-sulphides stages...in the successive generations of hydrothermal calcite and δ18O values of the late calcites. The principle...to investigate (1) the thermal history of the mineral deposits by characterising the thermal maturity |  | Lieben, Franç, Moritz, Robert, Fontboté, Lluí (2000) Mineralogy, Geochemistry, and Age Constraints on the Zn-Pb
Skarn Deposit of Maria Cristina, Quebrada Galena, Northern Chile. Economic Geology, 95 (6) 1185-1196 doi:10.2113/gsecongeo.95.6.1185 | Journal (article/letter/editorial) | | diorite porphyry of mid-Cretaceous age. The skarn mineral compositions, similar to those of Cu skarns, may...described in the western United States, northern Mexico, and Peru (e.g., Einaudi et al., 1981; Titley,...compressive tectonic phase (Segerstrom, 1968; Arévalo and Grocott, 1997). The Chañarcillo Group in the...Formation (Arévalo and Grocott, 1997). A north-northeast-oriented lens south of the Maria Cristina mine, previously...Sulfides, –9 to +7 0.7048-0.7059 (Brt) Type Mineral abbreviations: Brt = barite, Gn = galena, Mag = |  | Arevalo, C., Grocott, J., Martin, W., Pringle, M., Taylor, G. (2006) Structural Setting of the Candelaria Fe Oxide Cu-Au Deposit, Chilean Andes (27 30' S) Economic Geology, 101 (4) 819-841 doi:10.2113/gsecongeo.101.4.819 | Journal (article/letter/editorial) | | Cu-Au Deposit, Chilean Andes (27º30' S) CARLOS ARÉVALO,† Servicio Nacional de Geología y Minería, Av....magmatic arc plutonic suite in the Candelaria-Punta del Cobre district, Atacama region, northern Chile (27º30'...altered volcanic and volcaniclastic rocks of the Punta del Cobre Formation. In the Candelaria shear zone, there...fractionating magmas into a structural trap in the Punta del Cobre Formation below the carbonate rocks of the...(Fig. 1), adjacent to the very well known Punta del Cobre mining district, which lies in the Copiapó |  | | Journal (article/letter/editorial) | | Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real, John F.H. Thompson...controls on the genesis of the Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile...Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real (1), John F...Toronto, ON, M5H1J9, Canada The Candelaria-Punta del Cobre district is the largest Iron-Oxide Cu and Au...includes seven other smaller producers (Carola, Punta del Cobre, Mantos de Cobre, Candelaria Norte, Granate |  | Mathur, R., Marschik, R., Ruiz, J., Munizaga, F., Leveille, R. A., Martin, W. (2002) Age of Mineralization of the Candelaria Fe Oxide Cu-Au Deposit and the Origin of the Chilean Iron Belt, Based on Re-Os Isotopes. Economic Geology, 97 (1) 59-71 doi:10.2113/gsecongeo.97.1.59 | Journal (article/letter/editorial) | | initial 187Os/188Os ratio for sulfide from Bronce mine, a small satellite of the Candelaria orebody, is...emplacements were contemporaneous (e.g., Zentilli 1974; Arévalo, 1994, 1995, 1999; Marschik et al., 1997a; Ullrich...iron oxide Cu-Au districts such as CandelariaPunta del Cobre (e.g., Marschik and Fontboté, 1996) and Manto...A' A Paipote smelter Mine in operation (1998) WSW NNE Bronce deposit Mine closed Punta Negra Tailing...Tailing impoundments 1000 m N Viñita Azul 5 Mine area 500 m Open pit Candelaria deposit 4 6 3 |  | Salazar, Eduardo, Barra, Fernando, Reich, Martin, Simon, Adam, Leisen, Mathieu, Palma, Gisella, Romero, Rurik, Rojo, Mario (2020) Trace element geochemistry of magnetite from the Cerro Negro Norte iron oxide−apatite deposit, northern Chile. Mineralium Deposita, 55 (3) 409-428 doi:10.1007/s00126-019-00879-3 | Journal (article/letter/editorial) | | University Ave., Ann Arbor, MI, USA 4 Compañía Minera del Pacífico (CMP), Pedro Pablo Muñoz 675, La Serena...Jurassic to Late Cretaceous age, and diverse types of mineral deposits, including stratabound Cu(–Ag), porphyry...Nadoll et al. 2014). Magnetite is a ubiquitous mineral phase in different geological environments and...flotation model is supported by variations in the mineral chemistry observed in different textural types... from purely magmatic at deeper levels of the mineral system to low-temperature hydrothermal at shallow |  | Navarro-Ciurana, Dídac, Campos-Quispe, Luis Alberto, Cardellach, Esteve, Vindel, Elena, Gómez-Gras, David, Griera, Albert, Corbella, Mercè (2016) Mineralogical and geochemical characterization of the Riópar non-sulfide Zn-(Fe-Pb) deposits (Prebetic Zone, SE Spain) Ore Geology Reviews, 79. 515-532 doi:10.1016/j.oregeorev.2016.05.023 | Journal (article/letter/editorial) | | Barcelona, Edifici Cs s/n, 08193 Bellaterra, (Cerdanyola del Vallès), Spain Departamento de Cristalografía y Mineralogía...fine botryoidal crystals found infill porosity. Calcite and thin gypsum encrustations were also recognized...“calamine”, which is a convenient field term used by mine geologists to designate a mixture of Zn minerals...resource of mixed oxide and sulfide at Resurrección mine was 30,000 t at 6.7% Zn (Grandia et al., 2003b)...Chain is characterized by an abundance of varied mineral deposits (e.g., Fe, Pb, Zn, Ag, Au) which gives |  | Heuser, Gert, Arancibia, Gloria, Veloso, Eugenio E., Cembrano, José, Cordeiro, Pedro Filipe Oliveira, Nehler, Mathias, Bracke, Rolf (2020) The evolution of the Dominga Fe-Cu deposit (northern Chile): Insights from mineral textures and micro-CT analysis. Ore Geology Reviews, 119. 103316 doi:10.1016/j.oregeorev.2020.103316 | Journal (article/letter/editorial) | | Fe-Cu deposit (northern Chile): insights from mineral textures and micro-CT analysis Gert Heuser, Gloria...Fe-Cu deposit (northern Chile): insights from mineral textures and micro-CT analysis, Ore Geology Reviews...Fe-Cu deposit (northern Chile): insights from mineral textures and micro-CT analysis Gert Heuser*1,2...Chile, is hosted by volcanic rocks of the Punta del Cobre Formation (131.5±1.5 Ma zircon U-Pb) and into...veins (3B ores). This work presents a detailed mineral texture study of veins, hydrothermal breccias and |  | Avellaneda-Jiménez, D. S., Cardona, A., Valencia, V., Barbosa, J. S., Jaramillo, J. S., Monsalve, G., Ramírez-Hoyos, L (2020) Erosion and regional exhumation of an Early Cretaceous subduction/accretion complex in the Northern Andes. International Geology Review, 62 (2) 186-209 doi:10.1080/00206814.2019.1596042 | Journal (article/letter/editorial) | | contribution, we integrate sandstone petrography, heavy mineral analysis, U-Pb detrital zircon geochronology and...Central Cordillera in Central Colombia (Figure 1; Arévalo et al. 2001), which is juxtaposed against amphibolitic...(Figure 2; González 1980; Maya and González 1995; Arévalo et al. 2001; Nivia et al. 2006; Jaramillo et al...column with fossil location and ages raised by Arévalo et al. (2001) at the Maizena Creek with samples...Meltmount ® resin with a refraction index of 1.539. Mineral identification of 300 translucent grains was carried |  | Richards, Jeremy P., López, Gloria P., Zhu, Jing-Jing, Creaser, Robert A., Locock, Andrew J., Mumin, A. Hamid (2017) Contrasting Tectonic Settings and Sulfur Contents of Magmas Associated with Cretaceous Porphyry Cu ± Mo ± Au and Intrusion-Related Iron Oxide Cu-Au Deposits in Northern Chile. Economic Geology, 112 (2) 295-318 doi:10.2113/econgeo.112.2.295 | Journal (article/letter/editorial) | | Negro Norte (116 Ma) Candelaria (116–110 Ma) Punta del Cobre (116 Ma) 28°S Productora (129 Ma) Trapiche...(~125–~110 Ma; Aptian-Albian; Gelcich et al., 2005; Arévalo et al., 2006; Rieger et al., 2010; Tornos et al...Candelaria-Punta del Cobre Cu-Au-Ag 501 Mt at 0.54% Cu, 0.13 g/t Au 116–110 (Ar-Ar Bt; Re-Os Mo) Arévalo et al....at 0.55% Cu, 0.22 g/t Au 93–89 (U-Pb Zr); 88–86 Del Real and Arriagada (2015); (Ar-Ar Act, Ser,...predominantly transtensional (Brown et al., 1993; Arévalo et al., 2003) and was characterized by episodic |  | | Journal (article/letter/editorial) | | is now best known for its highly sought-after mineral specimens, including arguably the world’s premier...consequent folding and thin-skinned thrusting (Arévalo and Grocott, 1997), rocks in the immediate Chañarcillo...reported that the veins are composed mainly of calcite, barite, and subordinate siderite and quartz. At...Minor dyscrasite and native silver also replaced calcite or lined cavities (Fig. 3a). Oxidized Zone The...Shcherbina, 1972). However, the halides also replaced calcite as well as being precipitated in cavities and fractures |  | Carreño-Márquez, Iván, Castillo-Sandoval, Isaí, Pérez-Cázares, Bernardo, Fuentes-Cobas, Luis, Esparza-Ponce, Hilda, Menéndez-Méndez, Esperanza, Fuentes-Montero, María, Montero-Cabrera, María (2021) Evolution of the Astonishing Naica Giant Crystals in Chihuahua, Mexico. Minerals, 11 (3) 292 doi:10.3390/min11030292 | Journal (article/letter/editorial) | | Astonishing Naica Giant Crystals in Chihuahua, Mexico Iván Jalil Antón Carreño-Márquez 1 , Isaí Castillo-Sandoval...Astonishing Naica Giant Crystals in Chihuahua, Mexico. Minerals 2021, 11, 292. https://doi.org/10.3390/...Universidad La Salle Chihuahua, Chihuahua 31625, Mexico; 10307@ulsachihuahua.edu.mx Department of Environment...Investigación en Materiales Avanzados, Chihuahua 31136, Mexico; isai.castillo@cimav.edu.mx (I.C.-S.); luis.fuentes@cimav...Universidad Autónoma de Chihuahua, Chihuahua 31125, Mexico; bernardoperez.cazares@gmail.com (B.E.P.-C.); mfuentes@uach |  | | Journal (article/letter/editorial) | | oxide copper-gold deposit Candelaria and the Punta del Cobre district Atacama Region, Chile (Fig. 1: Marschik...0361-0128/08/3731/387-18 microthermometry in calcite linked to ore minerals, and by stable isotopic...La Serena . .. .... .... .... .... n ... Punta del Cobre .... ica er ... m ...... na ...... a Candelaria... ......... .. .. . .. ... ..... . . .... Punta del Cobre Candelaria Santiago Quebrada Meléndez 35°S...Manto Gloria Manto Delicias Candelaria Punta del Cobre Que brad a Ce rrillo s La Litigiosa EG-831 |  | Rossel, Pablo, Oliveros, Verónica, Ducea, Mihai N., Charrier, Reynaldo, Scaillet, Stéphane, Retamal, Leonardo, Figueroa, Oscar (2013) The Early Andean subduction system as an analog to island arcs: Evidence from across-arc geochemical variations in northern Chile. Lithos, 179. 211-230 doi:10.1016/j.lithos.2013.08.014 | Journal (article/letter/editorial) | | and southern Peru (Chocolate Formation), the Punta del Cobre Formation and the Agua Salada Volcanic Complex...range in composition from gabbro to granodiorite (Arévalo and Walkner, 2008; Emparan and Calderon, in press;...et de l'Environnement (Gif-sur-Yvette, France). Mineral separation was carried out using a Frantz magnetic... The mineral grains were loaded into two 4 mm i.d. holes on an aluminium tray (with the mineral ACR-2...geochemical analysis. The most common secondary mineral phases are: sericite (white mica) replacing plagioclase |  | Oliveros, Verónica, Vásquez, Paulina, Creixell, Christian, Lucassen, Friedrich, Ducea, Mihai N., Ciocca, Isabella, González, Javiera, Espinoza, Mauricio, Salazar, Esteban, Coloma, Felipe, Kasemann, Simone A. (2020) Lithospheric evolution of the Pre- and Early Andean convergent margin, Chile. Gondwana Research, 80. 202-227 doi:10.1016/j.gr.2019.11.002 | Journal (article/letter/editorial) | | Triassic geological record (e.g. Coloma et al., 2017; Del Rey et al., 2016, 2019; Espinoza et al., 2019; Jo...Chañaral Epimetamorphic Complex, QCMC: Quebrada del Carrizo Metamorphic Complex; PCMC: Punta de Choros...Sierra del Jardín Rhyolites; CEA: Cerro El Árbol Fm; UG: Undiferentiated granitoids; SCB: Sierra del Castillo...Batholith; PB: Pedernales Batholith; PVPC: Punta del Viento Plutonic Complex; UCI: Upper Carboniferous...Fm and Paso del Guanaco Sonso Beds; LT: La Tabla Fm; LC: Laguna Chica Fm; QPT: Quegrada del Pintado Tonalites; |  | | Journal (article/letter/editorial) | | Corporation, has announced a proven and probable mineral reserve of 1,091 million tonnes (Mt) averaging...narrow veinlets and disseminations, abuts the late-mineral diatreme contact. Supergene sulfide oxidation throughout...metals, and the addition of arsenic. The late-mineral diatreme was emplaced west of the Caspiche deposit...only its uppermost peripheral parts. The late-mineral diatreme was both pre- and postdated by advanced...along the underside of the upward-flared, late-mineral diatreme contact. Introduction and Exploration |  | | Journal (issue) | | Mineralogical Record The International Magazine for Mineral Collectors VOLUME 50 • NUMBER 1 Publisher & Editor-in-Chief...Collector & Dealer Biographies • Mineral Artists • Antiquarian Mineral Literature Bio-bibliography The...SPONSORING ORGANIZATIONS Houston Area Mineral Society (HAMS) (2009–2018) Mineral Association of Dallas (MAD) (2009–2018)...(2009–2018) Arizona Mineral Minions (2016–2017) 2 FELLOWS Bryan K. Lees (2008–2017) Stephanie & Robert...(2014–2018) Eugene S. Meieran (2014–2018) The Mineral Trust (2015–2018) FELLOWS Herb & Monika Obodda |  | Astudillo, Natalia, Roperch, Pierrick, Townley, Brian, Arriagada, Cesar, Chauvin, Annick (2010) Magnetic polarity zonation within the El Teniente copper–molybdenum porphyry deposit, central Chile. Mineralium Deposita, 45 (1) 23-41 doi:10.1007/s00126-009-0256-0 | Journal (article/letter/editorial) | | from oriented samples at four locations within the mine and from two drill cores, 200 and 400 m long, respectively...alternating field or thermal demagnetization. Within the mine, the magnetic polarity is spatially distributed...magnetization, also observed in the El Teniente sub-6 mine sector immediately to the east and southeast. In...originally referred to as the “Andesites of the mine,” and currently named “Complejo Máfico El Teniente...372 370 Fig. 1 Geological map of the El Teniente mine area and paleomagnetic sampling sites for samples |  | | Journal (article/letter/editorial) | | Los Bronces (LB) open-pit area, the present day mineral extraction zone, porphyries range from 8.49 to...open-pit mine produces annually 400,000 t of fine copper and 2,000 t of Mo. A recent mineral inventory...hydrothermal activity The three inter- to late-mineral main hypabyssal porphyritic intrusions recognized...cluster are presented herein in order of decreasing mineral closure temperature. The alteration centers are...Río Blanco cluster so far. From the LB open-pit mine, which 538 Miner Deposita (2014) 49:535–546 |  | | Journal (article/letter/editorial) | | in the Candelaria-Punta del Cobre Iron Oxide Copper-Gold District, Chile I. del Real,1,†,* J.F.H. Thompson...copper-gold (IOCG) deposits of the Candelaria-Punta del Cobre district, documented from early to late stages...isotopic signature of pyrite from the CandelariaPunta del Cobre district, and most IOCG deposits worldwide...responsible for mineralization in the Candelaria-Punta del Cobre district being predominantly of magmatic origin...July 19, 2019 / Accepted: March 17, 2020 1494 DEL REAL ET AL. can vary from deposit to deposit, with |  | | Journal (article/letter/editorial) | | epidote, and sericite–chlorite alteration zones, and calcite and quartz veinlets are ubiquitous in the late...a genetic relation to the ore deposit. The ore mineral assemblage is dominated by iron oxides such as...and is associated with green-colored garnet and calcite. Sulfide minerals are ubiquitously associated with...green appearance, and is often replaced by quartz–calcite and/or chlorite veinlets (Figure 4, CHU-131, CHU-138)...zones, while epidote is the dominant alteration mineral after hornblende in the epidote alteration zone |  | Díaz, Valentina, Muñoz-Gómez, Marcia, Deckart, Katja, Townley, Brian, Mathur, Ryan, Martínez, Osvaldo (2020) The Miocene Brahma porphyry Cu-Mo prospect in Central Chilean Andes (35°45′S): Geology, geochronology (U-Pb, Re-Os) and geochemistry. Ore Geology Reviews, 122. 103522pp. doi:10.1016/j.oregeorev.2020.103522 | Journal (article/letter/editorial) | | - 181 Universidad Autónoma de México (UNAM), Mexico. Zircon grains were first separated 182 from...211 paragenetic vein relationships (Table 1). Mineral samples of molybdenite were crushed, 212 handpicked...Considering that for such analyses the amount of mineral is not critical (0.1–0.05 g), 219 samples for...is characterized by an epidote- 273 chlorite-calcite-pyrite assemblage with stockworks of quartz–ch...with a 25% volume of mafic minerals. The main mineral phases 284 are plagioclase (50%), quartz (15%) |  | | Journal (article/letter/editorial) | | mines in the north, through the Don Luis mine, to the Sur Sur mine, La Americana and Los Sulfatos in the...ON K7L 3N6, Canada P. Cuadra Corporación Nacional del Cobre de Chile, Divisíon Andina, Sta. Teresa 513...the Andina Division of CODELCO and the Los Bronces mine of Anglo American p.l.c., together produced 448...stocks of the San Francisco batholith, including (mine geology terminology) the Río Blanco (11.96±0.40...Quiroga (1995; C-type). However, Andina Division mine geologists employ a vein classification which highlights |
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