 | | Journal (article/letter/editorial) | | Andacollo copperâgold district, La Serena, Chile: preliminary data from the porphyry copper and possible...and R. Oyarzun The Andacollo mining district is located in the Coquimbo region of Chile at 30°14â south...recent study,11 but comparable information on the Andacollo porphyry has not become available. A brief, updated...deposits are analysed. Geology of district The Andacollo district is mostly confined to a fault-bounded...age.1,14 The stratigraphy of this formation at Andacollo is shown in Table 1. Table 1 Units and ore deposits |  | Richards, Jeremy P., LĂłpez, 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) | | Intrusion-Related Iron Oxide Cu-Au Deposits in Northern Chile* Jeremy P. Richards,1,â Gloria P. LĂłpez,1 Jing-Jing...In the Mesozoic Coastal Cordillera of northern Chile, both porphyry and IOCG deposits occur in close...phenocrysts from the Carmen de Andacollo porphyry Cu-Au deposit (Re-Os molybdenite ages of 103.9 ± 0.5...magmatic sulfur contents of ~0.02 wt % S in the Carmen de Andacollo magmas versus ~0.001 to 0.005 wt % S in the...precipitation of sulfide minerals (pyrite, chalcopyrite, molybdenite) from hydrothermal fluids exsolved from shallowly |  | Higueras, Pablo, Oyarzun, Roberto, OyarzĂșn, Jorge, Maturana, Hugo, Lillo, Javier, Morata, Diego (2004) Environmental assessment of copperâgoldâmercury mining in the Andacollo and Punitaqui districts, northern Chile. Applied Geochemistry, 19 (11) 1855-1864 doi:10.1016/j.apgeochem.2004.04.001 | Journal (article/letter/editorial) | | copperâgoldâmercury mining in the Andacollo and Punitaqui districts, northern Chile Pablo Higuerasa,*, Roberto...Departamento de Ingenierıa Geologica y Minera, Escuela Universitaria Politecnica de Almaden, Universidad...Universidad de Castilla-La Mancha, Plaza M. Meca 1, 13400 Almaden, Spain b Departamento de Cristalografıa...Facultad de Ciencias Geologicas, Universidad Complutense, 28040 Madrid, Spain c Departamento de Minas and...Facultad de Ingenierıa, Universidad de La Serena, Casilla 554, La Serena, Chile d Departamento de Minas |  | Kojima, Shoji, San MartĂn, MarĂa Constanza, Nagase, Toshiro, Nakashima, Daisuke, Bisso, Claudio, Menzies, Andrew (2021) Distribution of gold and silver and its relation with hypogene ore minerals in the Esperanza porphyry deposit, Antofagasta Region, Chile. Resource Geology, 71 (1). 80-90 doi:10.1111/rge.12250 | Journal (article/letter/editorial) | | Esperanza porphyry deposit, Antofagasta Region, Chile Shoji Kojima1 | MarĂa Constanza San MartĂn1 Daisuke...Departamento de Ciencias GeolĂłgicas, Universidad CatĂłlica del Norte, Antofagasta, Chile 2 Tohoku University...Japan 4 Minera Los Pelambres Ltd., Provincia de Choapa, Chile 5 Bruker Nano GmbH, Berlin, Germany Correspondence...Departamento de Ciencias GeolĂłgicas, Universidad CatĂłlica del Norte, Av. Angamos 0610, Antofagasta, Chile. Email:...Email: skojima@ucn.cl Funding information Esperanza mine geologists Abstract Modes of occurrence of Au- |  | | Journal (article/letter/editorial) | | Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real, John F.H. Thompson, Jorge Carriedo...Cobre Iron Oxide Copper Gold district, Northern Chile, Ore Geology Reviews (2018), doi: https://doi.org/10...Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real (1), John F.H. Thompson (1), Jorge...smaller producers (Carola, Punta del Cobre, Mantos de Cobre, Candelaria Norte, Granate, Alcaparrosa, Atacama...Carajas, Brazil, and Candelaria and Mantoverde in Chile. Candelaria and other deposits in the Punta del |  | | Journal (article/letter/editorial) | | within error, and both are consistent with the molybdenite ReâOs ages of 1680 6 44 Ma (Han et al., 2014)...sericitic alteration is characterized by quartzâmolybdenite veins Downloaded from https://academic.oup....porphyry; (b) biotite granodiorite; (c) quartzâmolybdenite vein and quartzâpyrite vein in the granite porphyry;...hydrothermal chlorite replacing biotite; (f) quartzâmolybdenite vein with sericitic alteration halo. Bi, biotite;...biotite; Chl, chlorite; Kfs, K-feldspar; Mol, molybdenite; Pl, plagioclase; Py, pyrite; Qtz, quartz; Ser |  | | Journal (article/letter/editorial) | | central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus, 2003)...Teniente Mamut Grasberg-Ertsberg Ok Tedi Cerro de Pasco & Colquijirca Choquelimpie Esperanza Escondida...Potrerillos Marte & Caspiche Taca Taca Bajo Bajo de la Alumbrera (FarallĂłn Negro dist.) & Agua Rica Nevados...Famatina Northparkes Pascua-Lama & Veladero Andacollo Principal metals Cu-Mo Cu-Mo-Au Cu-Au Ag-Pb-Zn-Cu...to global-scale anomalies for Cu (e.g., northern Chile-southern Peru, southwestern North America) or Au |  | Chen, Xilian, Liang, Huaying, Zhang, Jian, Huang, Wenting, Ren, Long, Zou, Yinqiao (2020) Geochemical characteristics and oxidation states of the Xietongmen oreâbearing porphyries: Implication for the genetic types of the Xietongmen No. I and No. II deposits, southern Tibet. Geological Journal, 55 (6). 4691-4712 doi:10.1002/gj.3712 | Journal (article/letter/editorial) | | field of the ore-bearing intrusions in northern Chile; (c) low apatite CeN/CeN* ratios (0.97â1.02 and...2009). Previous studies suggested that the molybdenite from the Xietongmen No. I and No. II deposits...pyrite, chalcopyrite, sphalerite, galena and molybdenite, but pyr- seven days at ~100 C to dissolve...ore-bearing intrusions and barren intrusions of northern Chile are from Ballard et al. (2002) 8 CHEN ET AL....discrimination diagram mineralization ages (molybdenite Re-Os ages) of 161.5 ± 2.7 and (Figure 11a) |  | | Book (edition) | | Exploration TeamâTarget Generation QPX Chile Las Condes, Santiago Chile David I. Groves Department of Geology...new data and references from Argentina, Canada, Chile, China, Iran and the USA, including new maps and...Billiton in Perth, Singapore and Santiago, and QPX Chile in Santiago for encouraging the completion and revision...Zhiming Yang, Andi Zhang and Lin Zhang. Santiago, Chile Perth, Australia Daniel MĂŒller David I. Groves.... . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting |  | | Book | | IntelliMineÂź for Underground Mine Management J.Paraszczak Development Trends in Mine Hoisting and Drainage G...in an Air-Conditioning System in âPniowekâ Coal Mine N.SzlÄ
zak, A.Tor, A.JakubĂłw & K.Gatnar New Technologies...Underground at Minera Michilla, II Region AntofagstaâChile A.R.Carvajal, C.G.FernĂĄndez & J.M.Carmona Underground...Method of Extraction at âKazimierz-Juliuszâ Coal Mine in Sosnowiec S.Gajos, M.UrbaĆ & T.Lamot Application...Application of the SF6 Tracer Gas in Identifying Mine Air Flows through Abandoned Workings Sealed from the Ventilation |
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