 | | Journal (article/letter/editorial) | | on the scaleof a mining district (El Salvador-Potrerillos), then on the scale of a singletraverse(El Salvador-Chilean...may provefruitful, providedsuitabletechniquescan mine scale,but their applicabilityon a regionalscale...E1Salvador-Potrerillos Severalattemptshavebeenmadeto do thisin other in central and northern Chile; (2) on...(ore-forming) and nonproductiveintrusions,have province,the Chilean Andes.The techniquesdevelbeenshownby...whole-rockanalyses. THE Andes of central and northern Chile contain The most comprehensivestudy basedon other |  | | Journal (article/letter/editorial) | | between 17 and 27S across the forearc of northern Chile and southern Peru from 44 to 6 Ma, and on the Bolivian...directly dated (southern Peru and south of 26S in Chile) and suggest formation post 14 Ma. Sedimentological...fluctuating arid/semi-arid climate prevailed across the Atacama Desert until between 4 and 3 Ma, climatic conditions...is unlikely to be widely applicable in northern Chile. General models that involve climatic desiccation...Introduction The Central Andes, and in particular northern Chile, host some of the world’s largest porphyry copper |  | Cornejo, Paula, Tosdal, Richard M., Mpodozis, Constantino, Tomlinson, Andrew J., Rivera, Orlando, Fanning, C. Mark (1997) El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and Geochronologic Framework. International Geology Review, 39 (1) 22-54 doi:10.1080/00206819709465258 | Journal (article/letter/editorial) | | http://www.tandfonline.com/loi/tigr20 El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and...Mineria , Avenida Santa Maria, Santiago, 0104, Chile b U.S. Geological Survey , 345 Middlefield Road...Mineria , Avenida Santa Maria, Santiago, 0104, Chile d Australian National University , Canberra, Australia...Orlando Rivera & C. Mark Fanning (1997) El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and...& Son, Inc. All rights reserved. El Salvador, Chile Porphyry Copper Deposit Revisited: Geologic and |  | | Journal (article/letter/editorial) | | Cu-AuandAu-AgMineralization in the PotrerillosDistrict, Chile TIMOTHYM. MARSH, • AMT (USA), Inc., 7400 North Oracle...phenocrysts (35.87+ 0.21Ma), primaryandsecondary biotite(35.65_+0.03Ma), andsericite fromlate-stage veinenvelopes...temperature (ca. 250øC)in 120,000yr or less. Magmatic biotite(40.82+ 0.19 Ma) in a porphyry stockthatis spatially... 4øARfløAR GEOCHRONOLOGYOF CUAU& AUAGDEPOSITS,POTRERILLOS,CHILE 785 hypotheses: (1) the Cobreporphyry copperdeposit...igneous andhydrothermal minerals relatedto / .?-Potrerillos District copperand goldmineralization in sevendistinctintrusive |  | | 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) | | Processes in the El Indio-Pascua Au-Ag-Cu Belt, Chile and Argentina THOMAS BISSIG,* ALAN H. CLARK,† JAMES...the enormous erosion surfaces of the Atacama desert of northern Chile and southern Peru, are considered...on supergene processes in the Andes of northern Chile and southern Peru has long been recognized (e.g...Indio-Pascua gold-silver-copper belt which straddles the Chile-Argentina frontier along the tectonic and physiographic...formed the geochronologic 971 972 BISSIG ET AL. Chile Antofagasta PE R U -C Puna Tucumán La Coipa |  | Roebbert, Y., Rabe, K., Lazarov, M., Schuth, S., Schippers, A., Dold, B., Weyer, S. (2018) Fractionation of Fe and Cu isotopes in acid mine tailings: Modification and application of a sequential extraction method. Chemical Geology, 493. 67-79 doi:10.1016/j.chemgeo.2018.05.026 | Journal (article/letter/editorial) | | Manuscript Fractionation of Fe and Cu isotopes in acid mine tailings: Modification and application of a sequential...Weyer , Fractionation of Fe and Cu isotopes in acid mine tailings: Modification and application of a sequential...MANUSCRIPT Fractionation of Fe and Cu isotopes in acid mine tailings: modification and application of a sequential...Engineering, F861 Luleå, Sweden PT Abstract Sulfidic mine tailings have a high potential for contamination...contamination of the environment by RI triggering acid mine drainage. Hence, it is crucial to understand metal |  | | Journal (article/letter/editorial) | | Hasvik, SOrOy, gabbro, 815. Sulitjehna, almandine, biotite, hornblende, muscovite, paragonite, 693. Sweden...Cumberland, gilbertitc, 6o6. George and Charlotte mine, Tavistock, Devon, 'tavistockite', [ 23. Grassington...Upnor, Kent. Cornwall Bosahan quarry, Falmoath, biotite, 21o. Dean quarry, Coverack, The Lizard, analcime... INDEX Drakewalls mine, Gunnislake, posnjakite, 740. Hingston Down Consols" mine, arthurite, 52o. Lee...('tavistockite'), 123. Tregarden, biotite, 606. Trelavour, biotite, 6o6. WALES Moel Goedog, Harlech |  | Gustafson, L. B., Orquera, W., McWilliams, M., Castro, M., Olivares, O., Rojas, G., Maluenda, J., Mendez, M. (2001) Multiple Centers of Mineralization in the Indio Muerto District, El Salvador, Chile. Economic Geology, 96 (2) 325-350 doi:10.2113/gsecongeo.96.2.325 | Journal (article/letter/editorial) | | Mineralization in the Indio Muerto District, El Salvador, Chile LEWIS B. GUSTAFSON,† 5320 Cross Creek Lane, Reno...89511 WALTER ORQUERA, CODELCO-Chile, Division Salvador, El Salvador, Chile MICHAEL MCWILLIAMS, Department...AND MARCELLO MENDEZ CODELCO-Chile, Division Salvador, El Salvador, Chile Abstract The porphyries that...vertical zonation grades downward to alkali feldspar-biotite alteration with increasing molybdenite and magnetite...chalcopyrite-bornite and quartz veining with K feldspar-biotite alteration, centered within a rhyolitic quartz |  | Lira, R., Galliski, M. A., Bernard, F., Roquet, M. B. (2012) The Intragranitic Potrerillos NYF Pegmatites and Their a-Type Host Granites of the las Chacras - Potrerillos Batholith, Sierra de San Luis, Argentina. The Canadian Mineralogist, 50 (6) 1729-1750 doi:10.3749/canmin.50.6.1729 | Journal (article/letter/editorial) | | INTRAGRANITIC POTRERILLOS NYF PEGMATITES AND THEIR A-TYPE HOST GRANITES OF THE LAS CHACRAS – POTRERILLOS BATHOLITH...Abstract The Potrerillos granitic pegmatites, in the Sierras Pampeanas Orientales of San Luis Province, Argentina...quartz, microcline and albite, with accessory biotite, muscovite, tourmaline, beryl, allanite, fluorite...Las Chacras – Potrerillos batholith, described as biotite porphyritic granite, biotite-bearing equigranular...range 1 to 1.07); the least evolved porphyritic biotite granites of the Las Chacras pluton are depleted |  | Bissig, Thomas, Lee, James K. W., Clark, Alan H., Heather, Kevin B. (2001) The Cenozoic History of Volcanism and Hydrothermal Alteration in the Central Andean Flat-Slab Region: New 40Ar-39Ar Constraints from the El Indio–Pascua Au (-Ag, Cu) Belt, 29°20′–30°30′ S. International Geology Review, 43 (4) 312-340 doi:10.1080/00206810109465016 | Journal (article/letter/editorial) | | Canada b Barrick Chile Ltda. , Barrio Industrial Late 58, Alto Penuelas, Coquimbo, Chile Published online:...HEATHER Barrick Chile Ltda., Barrio Industrial Late 58, Alto Peñuelas, Coquimbo, Chile Abstract Ninety-three...from carefully documented outcrops or underground mine exposures on the Chilean and Argentinian flanks...29° and 30°30' S, north and south of the El Indio mine. Additional ore bodies, all of epithermal type,...information is largely from Martin et al. (1995) for Chile; no comprehensive regional map at an appropriate |  | | Report (chapter) | | Sierra de San Luis: The Renca and Las Chacras-Potrerillos batholiths. The studies comprised systematic...the crystallographic preferred orientations of biotite and amphibole. In ferromagnetic granitoids (k >...obtained from the nearby Renca and Las Chacras-Potrerillos batholiths (L6pez de Luchi et al. 2002c; Siegesmund...part of the Eastern Sierras Pampeanas geologic province of central Argentina (Criado Roque et al. 1981)...Achalian cycle is a period for the granites, both in biotite and muscovite, of heterogeneous deformation along |  | | Journal (article/letter/editorial) | | Vol. 86, 1991, pp. 1187-1205 Gold Metallogeny of Chile RICHARD an Introduction H. SILLITOE 27 WestHill...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...by-product of coppermining.The 18 principal tral Chile, commonlyat altitudescloseto or greater depositsincludedin |  | Lee, Robert G., Dilles, John H., Tosdal, Richard M., Wooden, Joseph L., Mazdab, Frank K. (2017) Magmatic Evolution of Granodiorite Intrusions at the El Salvador Porphyry Copper Deposit, Chile, Based on Trace Element Composition and U/Pb Age of Zircons. Economic Geology, 112 (2) 245-273 doi:10.2113/econgeo.112.2.245 | Journal (article/letter/editorial) | | Intrusions at the El Salvador Porphyry Copper Deposit, Chile, Based on Trace Element Composition and U/Pb Age...porphyry Cu (MoAu) ores in the El Salvador district, Chile. Zircons (n = 240) from 15 Eocene age diorite, granodiorite...1995) and the El Abra-Fortuna granodiorite complex, Chile (1–2 m.y., Dilles et al., 1997; Campbell et al....Chuquicamata, Chile (2–3 m.y., Reynolds et al., 1998; Ballard et al., 2001), the Potrerillos district, Chile (8...Indio Muerto (El Salvador) district of northern Chile is characterized by a series of late Eocene porphyry |  | | Journal (article/letter/editorial) | | 954) are not included in this index. Aberdeen, biotite, 606. Acmite, synthesis, solid solution with diopside...(S. M.), see QAISER(M. A.), 735. Alaer6n mine, Copiap6, Chile, arsenolamprite, 732. Ala di Stura, Piemonte...distinction from montebrasite, 4r4. Amblygonite mine, Caceres, Spain, montebrasite, 414. Amelia County... d2o T, 489. Arsenolamprite, Chile, anal., X-ray, 732. Arthurite, Chile, 519; Cornwall, anal., 52o. Asahine...Microcline perthites, I35; Muscovite from Nellore, I4O; Biotite from Nellore, 39 I. 974 ALPHABETICAL Baia Mare |  | | Journal (article/letter/editorial) | | of mineral deposits. Sixteen mining districts in Chile, and 24 in Argentina, were attributed to the seismically...zones roughly parallel to the axis of the Peru-Chile trench (Carachas-Portillo, Choquelimpie, Iquique...Ulriksen (1990) for the northern and central part of Chile and from Mapa Minero (1966) for the northwestern...information was obtained from Mapa GeoloÂgico de Chile (1982) and Mapa GeoloÂgico de la RepuÂblica Argentina...sections) perpendicular to the axis of the Peru±Chile trench, which enabled us to distinguish between |  | | Journal (article/letter/editorial) | | Magmatic Evolution of the Maricunga Mineral Belt in Chile a b c Suzanne Mahlburg Kay , Constantino Mpodozis...y Mineria, Avenida Santa Maria 0104, Santiago, Chile c Department of Geological Sciences, Snee Hall...y Mineria, Avenida Santa Maria 0104, Santiago, Chile Version of record first published: 06 Jul 2010....Magmatic Evolution of the Maricunga Mineral Belt in Chile, International Geology Review, 36:12, 1079-1112...Magmatic Evolution of the Maricunga Mineral Belt in Chile SUZANNE MAHLBURG KAY, Department of Geological Sciences |  | | Journal (article/letter/editorial) | | Located in the northern part of the El Indio belt of Chile-Argentina, the 12.6-million ounce (Moz) gold, late...deposits at the northern end of the El Indio belt, Chile and Argentina (Fig. 1; Jannas et al., 1990, 1999;...morphostructural province of the Central Andes, which straddles the Argentina-Chile † Corresponding ...metallogenic belt (Araneda, 1982), which lies mostly in Chile (Fig. 2); this belt is also referred to as the El...the many deposits within the belt, only those in Chile, which have proven economic, notably El Indio, Tambo |  | Barros, Kayo Santana, Vielmo, Vicente Schaeffer, Moreno, Belén Garrido, Riveros, Gabriel, Cifuentes, Gerardo, Bernardes, Andréa Moura (2022) Chemical Composition Data of the Main Stages of Copper Production from Sulfide Minerals in Chile: A Review to Assist Circular Economy Studies. Minerals, 12 (2) 250 doi:10.3390/min12020250 | Journal (article/letter/editorial) | | Stages of Copper Production from Sulfide Minerals in Chile: A Review to Assist Circular Economy Studies Kayo...Stages of Copper Production from Sulfide Minerals in Chile: A Review to Assist Circular Economy Studies. Minerals...Santiago de Chile, Avenida Libertador Bernardo O’Higgins 3363, Estación Central, Santiago 917022, Chile; gerardo...La Dehesa 1201, Lo Barnechea, Santiago 917021, Chile; griveros@transducto.com Correspondence: kayobarros...This study is focused on production sites from Chile since it is responsible for almost one-third of |  | | Journal (article/letter/editorial) | | Porphyry Cu Magmatism in the EscondidaArea, Northern Chile* JEREMY P.RICHARDS? Department of EarthandAtmospheric...ized centers in theEscondida regionof northern Chile;alldatesarereported with errors.At theChimborazo...syn-orpostmineralization feldspar-biotite-quartz porphyry intrusion.At theZaldfvar porphyry Cu mine,zirconandbiotitehavebeenanalyzed...alyzed froma similarsynmineralizationfeldspar-biotite-quartz porphyry (theLlamoporphyry): thezirconU-Pbageis38...magmatism, generated in re- Reynolds al., 1997);Potrerillos,-36 Ma (Marshet al., 1997).Published sponse tosubduction |  | Lucassen, Friedrich, Franz, Gerhard, Romer, Rolf L., Schultz, Frank, Dulski, Peter, Wemmer, Klaus (2007) Pre-Cenozoic intra-plate magmatism along the Central Andes (17–34°S): Composition of the mantle at an active margin. Lithos, 99 (3) 312-338 doi:10.1016/j.lithos.2007.06.007 | Journal (article/letter/editorial) | | borders of the early Cretaceous Paraná flood basalt province (e.g., Hawkesworth et al., 1992, 2000) and western...western Paraguay. The Paraná flood basalt province has been ascribed to mantle plume activity whereas the...and the early Cretaceous Paraná large igneous province (LIP) (related to the opening of the South Atlantic...magnesiocarbonatite, and kimberlite On biotite (1; three ages) ∼100 on biotite (2) 98 ± 3 (1) Schultz et al....(1995) Occasionally biotite bearing basanites; small lherzolite xenoliths On biotite 82.0 ± 3.3 81. 5 ± |  | | Journal (article/letter/editorial) | | f(HF)/f(HCl) = −0.88 to −1.22, computed at 750 °C after biotite composition. The Cl concentrations at 800 °C, computed...(we would add the possible exception of the Naica Mine, if we take into account the small halite grains...halite crystals were or were not found in the Naica mine, the first confident report of halite and sylvite...components of the magmatic arc are magnesiohornblende–biotite–epidote–titanite-bearing granodiorites and monzogranites...Sierras Pampeanas (SPO) are outlined within Córdoba province; the Sierra Norte–Ambargasta batholith is in bold |  | Musso, Telma Belén, Pettinari, Gisela, Pozo, Manuel, Martínez, Alexis Gabriel, González, Rafael (2022) Distribution, Sedimentology and Origin of Mineralogical Assemblages from a Continental Na-bentonite Deposit in the Cretaceous Neuquén Basin (Argentina) Minerals, 12 (4) 467 doi:10.3390/min12040467 | Journal (article/letter/editorial) | | Triassic and Neogene age and belong to: Fm. Potrerillos-Fm Cacheuta (Mendoza), Fm. Cortaderita -Fm. Barreal...km SE of “Rincon de los Sauces” city in Neuquén province and belongs to the mining district named Justina...following relative abundance ordering: lithics > biotite > quartz > plagioclase > fibroradial aggregates...within volcanic glass (Figure 10A). Micas are biotite type, greenish, with anhedral to subhedral grains...following relative abundance ordering: lithics > biotite > quartz > plagioclase > fibroradial aggregates |  | | Journal (article/letter/editorial) | | Copper-Bearing Smectites from the Radomiro Tomic Mine, Chile: Copper-Insoluble Mineral Occurrences GEORGE...CODELCO, Santiago, Chile Abstract Recovery of copper from the Radomiro Tomic deposit in Chile employs innovative...ores, recovery of billion dollar capital costs of mine development and long-term profitability demand simultaneous...Tomic mine, which is located 5 km north of Chuquicamata in the Atacama Desert of northern Chile (Cuadra...quartz, plagioclase, perthitic K feldspar, and biotite (both phenocrysts and pseudomorphic replacement |  | | Journal (article/letter/editorial) | | batholith in Nevada, and associated with the Yerington mine and the AnnMason deposit, provide a basis of comparison...Laramide, mid-Mesozoic) Limit of Basin and Range Province copper deposits post-Laramide cover Laramide...America, showing the limit of the Basin and Range province, the schematic representation of domains that...00 940 ROOT ZONES OF PORPHYRY SYSTEMS Potrerillos, Chile (Olson, 1989), were dismembered in contractional... 1984; Dilles et al., 2000). Both the Yerington mine and Ann-Mason deposits are exposed continuously |
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