 | | Journal (article/letter/editorial) | | E1Romeral,Chile ARTHUR A. BOOKSTROM Abstract E1 Romeral iron mine is in the coastaliron province of northern...northern Chile, a north-trending belt of magnetitedepositsabout 30 km wide and 600 km long. Iron at E1 Romeral...Romeral is mined from two orebodiesin which magnetiteis microscopically intergrown with actinolite. The...magnetite-rich mass in a reentrant between two lobes of the Romeral diorite pluton. The North orebody consistsof conformablepods...plagioclase(An•.2_a•.),diopside,clinozoisite,sphene, chlorapatite,marialitic scapolite,tourmaline,chlorite,pyrite |  | Palma, Gisella, Barra, Fernando, Reich, Martin, Valencia, Victor, Simon, Adam C., Vervoort, Jeff, Leisen, Mathieu, Romero, Rurik (2019) Halogens, trace element concentrations, and Sr-Nd isotopes in apatite from iron oxide-apatite (IOA) deposits in the Chilean iron belt: Evidence for magmatic and hydrothermal stages of mineralization. Geochimica et Cosmochimica Acta, 246. 515-540 doi:10.1016/j.gca.2018.12.019 | Journal (article/letter/editorial) | | Geology, FCFM, Universidad de Chile, Santiago, Plaza Ercilla 803, Chile Andean Geothermal Center of Excellence...(CEGA), FCFM, Universidad de Chile, Santiago, Plaza Ercilla 803, Chile c School of Earth and Environmental...Cretaceous age from the Coastal Cordillera of northern Chile. Apatite textures and compositions show evidence...elements; Sr-Nd isotopes; Iron oxide-apatite deposits; Chile 1. INTRODUCTION Apatite [Ca10(PO4)6(F, Cl, OH)]...2010; Taghipour et al., 2015), and in northern Chile (Treloar and Colley, 1996; Broman et al., 1999; |  | | Journal (article/letter/editorial) | | TEXTURES AND MAGNETITE GEOCHEMISTRY--A ARTHUR IN CHILE AND DISCUSSION SWEDEN: A. BOOKSTROM U.S. GeologicalSurvey...deposits of the Chilean iron belt, including E1 Romeral, in particular. Nystr/Smand Henr•quez (1994) ...andE1Romeral(in the coastaliron belt of northern Chile). Magnetite from all of these depositshasvery low...dendriticpyroxene(or am- phibole), and apatite. At the Iron King mine in Nevada,I have seensimilar,multiple layersof ...magnetitedepositsof the coastalChilean iron belt, includingE1 Romeral. They alsofound coarse dendritic "pyroxene" intergrownwith |  | Huang, Xiao-Wen, Boutroy, Émilie, Makvandi, Sheida, Beaudoin, Georges, Corriveau, Louise, De Toni, Anthony Franco (2019) Trace element composition of iron oxides from IOCG and IOA deposits: relationship to hydrothermal alteration and deposit subtypes. Mineralium Deposita, 54 (4) 525-552 doi:10.1007/s00126-018-0825-1 | Journal (article/letter/editorial) | | Survey of Canada, Natural Resources Canada, 490 rue de la Couronne, Québec, QC G1K9A9, Canada 6 SOQUEM Inc...ablation–inductively coupled plasma–mass spectrometry (LA- Miner Deposita Fig. 1 Distribution of selected...the Central Andes district in Chile, and Kwyjibo from the Grenville Province in Canada (Fig. 1 and Online...district of northern Sweden, El Romeral from the Central Andes in Chile, Savage River from the Arthur...the USA, and Lyon Mountain from the Grenville Province in USA (Fig. 1 and Online Resource 1). For each | | Huang, Xiao-Wen, Boutroy, Émilie, Makvandi, Sheida, Beaudoin, Georges, Corriveau, Louise, De Toni, Anthony Franco (2019) Trace element composition of iron oxides from IOCG and IOA deposits: relationship to hydrothermal alteration and deposit subtypes. Mineralium Deposita, 54 (4) 525-552 doi:10.1007/s00126-018-0825-1 | Journal (article/letter/editorial) | | Survey of Canada, Natural Resources Canada, 490 rue de la Couronne, Québec, QC G1K9A9, Canada 6 SOQUEM Inc...ablation–inductively coupled plasma–mass spectrometry (LA- Miner Deposita Fig. 1 Distribution of selected...the Central Andes district in Chile, and Kwyjibo from the Grenville Province in Canada (Fig. 1 and Online...district of northern Sweden, El Romeral from the Central Andes in Chile, Savage River from the Arthur...the USA, and Lyon Mountain from the Grenville Province in USA (Fig. 1 and Online Resource 1). For each |  | La Cruz, Nikita L., Simon, Adam C., Wolf, Aaron S., Reich, Martin, Barra, Fernando, Gagnon, Joel E. (2019) The geochemistry of apatite from the Los Colorados iron oxide–apatite deposit, Chile: implications for ore genesis. Mineralium Deposita, 54 (8) 1143-1156 doi:10.1007/s00126-019-00861-z | Journal (article/letter/editorial) | | iron oxide–apatite deposit, Chile: implications for ore genesis Nikita L. La Cruz 1 & Adam C. Simon 1...which is available to authorized users. * Nikita L. La Cruz nlacruz@umich.edu 1 Department of Earth and...Excellence (CEGA), Universidad de Chile, Plaza Ercilla, 803 Santiago, Chile 3 Department of Earth and Environmental...ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) to investigate the chemistry of apatite from...110 Ma) and is located ~ 35 km north of Vallenar, Chile (Fig. 1a; Pichon 1981; Oyarzún and Frutos 1984) |  | | Journal (article/letter/editorial) | | apatites from magnetite-apatite ores in northern Chile, and their ore-genetic implications PETER J. TRELOAR...associated with the Atacama Fault Zone of northern Chile are interpreted here, on field criteria, as being...calc-alkaline basic magmas. KEYWORDS: Apatites, Chile, ore-genesis, halogen. Introduction MAGNETITE-RICHbodies...characteristic of the westernmost part of the Chilean ore province (Clark et al., 1976; Sillitoe, 1976; Frutos, 1982;...at E1 Laco in Chile (Park, 1961, Nystrom and Henriquez, 1994) or Pleito-Melon in Chile (Travisany et |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile • The Geologica l Society of London Books Editorial...T. & GIBBO, s, W . (eds) 2007 . The Geology of Chile. The Geological Society, London. CHARRIER, R., PINTO...the Andean Orogeo in Chile. Jn: MORENO, T. & GrnsoNs, W. (eds) The Geology of Chile. The Geological Society...Society, London, 21-114. The Geology of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume...\ii . Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno |  | Heidarian, Hassan, Lentz, David, Alirezaei, Saeed, McFarlane, Christopher, Peighambari, Sima (2018) Multiple Stage Ore Formation in the Chadormalu Iron Deposit, Bafq Metallogenic Province, Central Iran: Evidence from BSE Imaging and Apatite EPMA and LA-ICP-MS U-Pb Geochronology. Minerals, 8 (3) 87 doi:10.3390/min8030087 | Journal (article/letter/editorial) | | Metallogenic Province, Central Iran: Evidence from BSE Imaging and Apatite EPMA and LA-ICP-MS U-Pb Geochronology...magnetite-apatite deposit in Bafq metallogenic province, Central Iran, is hosted in the late Precambrian-lower...However, Bonyadi et al. (2011) [36] reported a U-Pb LA-ICP-MS age of 510 ± district. These ages fall in...age (525 ± 7 Ma) for sodic alteration from 2.3. Mine-Scale the same deposit. Geology The Chadormalu deposit...large massive ore bodies (Figure 2). The main 2.3. Mine-Scale Geology of three closely spaced bodies in |  | La Cruz, Nikita L., Ovalle, J. Tomás, Simon, Adam C., Konecke, Brian A., Barra, Fernando, Reich, Martin, Leisen, Mathieu, Childress, Tristan M. (2020) The Geochemistry of Magnetite and Apatite from the El Laco Iron Oxide-Apatite Deposit, Chile: Implications for Ore Genesis. Economic Geology, 115 (7). 1461-1491 doi:10.5382/econgeo.4753 | Journal (article/letter/editorial) | | from the El Laco Iron Oxide-Apatite Deposit, Chile: Implications for Ore Genesis Nikita L. La Cruz,1,2...Mathematical Sciences (FCFM), Universidad de Chile, Santiago 08370450, Chile 4Millennium Nucleus for Metal Tracing...Tracing Along Subduction, Universidad de Chile, Santiago 08370450, Chile 5Astromaterials Research and Exploration...the Plio-Pleistocene El Laco iron oxide-apatite (IOA) deposit in northern Chile are similar to basaltic...that require a new model for the evolution of the El Laco ore deposit. Backscattered electron (BSE) imaging |  | Mao, Mao, Rukhlov, Alexei S., Rowins, Stephen M., Spence, Jody, Coogan, Laurence A. (2016) Apatite Trace Element Compositions: A Robust New Tool for Mineral Exploration. Economic Geology, 111 (5) 1187-1222 doi:10.2113/econgeo.111.5.1187 | Journal (article/letter/editorial) | | spectrometry. Discriminant analysis using Mg, V, Mn, Sr, Y, La, Ce, Eu, Dy, Yb, Pb, Th, and U reveals that apatites...Sr2+ Ba2+ Mg2+ Mn2+ Fe2+ Eu2+ Pb2+ Na+ Y3+ REE3+ (La-Lu) Th4+ U4+ Zr4+ 1.18 1.31 1.47 0.89 (VIII) 0.96...(Highmont mine), BC Highland Valley Copper (Valley), BC Lornex (Lornex mine), BC Endako (Endako mine), BC...Mountain (Brynnor), BC Cassiar Moly, BC Brenda (Brenda mine), BC Wernecke, Yukon Aoshan, China Great Bear (Rainy...Jason, BC Congress (Lou), BC Dentonia (Dentonia mine), BC Seabee, Saskatchewan Kirkland Lake, Ontario |  | Duan, Chao, Li, Yanhe, Mao, Jingwen, Hou, Kejun, Wang, Conglin, Yang, Bingyang, Wang, Qian, Li, Wei (2019) Ore formation at the Washan iron oxide–apatite deposit in the Ningwu Ore District, eastern China: Insights from in situ LA-ICP-MS magnetite trace element geochemistry. Ore Geology Reviews, 112. 103064 doi:10.1016/j.oregeorev.2019.103064 | Journal (article/letter/editorial) | | Ore District, eastern China: Insights from in situ LA-ICP-MS magnetite trace element geochemistry Chao...Ore District, eastern China: Insights from in situ LA-ICP-MS magnetite trace element geochemistry, Ore...Ore District, eastern China: Insights from in situ LA-ICP-MS magnetite trace element geochemistry F Chao...Geological Sciences, Beijing 100037, China b. Nanshan Mine Company, Maanshan Iron and Steel Group Mining Company...inductively coupled plasma PR mass spectrometry (LA-ICP-MS). The geochemical profiles show consistent |  | | Journal (article/letter/editorial) | | ZrO2 (Ba,Sr)(Nb,Ti)2(O,OH)7 BaSO4 2Ca(SO4)·H2O (Ce,La)(CO3)F Be3(Sc,Al)2 Si2O18 Ca(UO2)6O4(OH)6·8(H2O)...BaAl2Si2O8 (Ce,Th)O2 (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F) (La,Ce,Ca)9(Mg,Fe)(SiO4)6[SiO3(OH)](OH)3 PbCO3 (Ca0.5Na...5Si3AlO12(OH)6 K5Ca8Si18O46(OH)·3(H2O) Ir3Fe (Ce,La,Ca,Th)4(Fe,Mg)2(Ti,Fe)3Si4O22 CaMnBe2Si5O13(OH)2·2H2O...Gallite Gallobeudantite Garnet (Ce, La)Al3(PO4)2(OH)6, (Ce,La)F3 CaF2 Mg2SiO4 Pb(UO2)4O3(OH)4·4(H2O)...3Fe0.1(CO3)2 Al2SiO5 Pb3Sn4SbS14 K2Mg2(SO4)3 (Ce,La)2(CO3)3·8(H2O) Ca2(SiO4) CaAl2Si4O12·4(H2O) Ca(IO3)2 | | | Journal (article/letter/editorial) | | ZrO2 (Ba,Sr)(Nb,Ti)2(O,OH)7 BaSO4 2Ca(SO4)·H2O (Ce,La)(CO3)F Be3(Sc,Al)2 Si2O18 Ca(UO2)6O4(OH)6·8(H2O)...BaAl2Si2O8 (Ce,Th)O2 (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F) (La,Ce,Ca)9(Mg,Fe)(SiO4)6[SiO3(OH)](OH)3 PbCO3 (Ca0.5Na...5Si3AlO12(OH)6 K5Ca8Si18O46(OH)·3(H2O) Ir3Fe (Ce,La,Ca,Th)4(Fe,Mg)2(Ti,Fe)3Si4O22 CaMnBe2Si5O13(OH)2·2H2O...Gallite Gallobeudantite Garnet (Ce, La)Al3(PO4)2(OH)6, (Ce,La)F3 CaF2 Mg2SiO4 Pb(UO2)4O3(OH)4·4(H2O)...3Fe0.1(CO3)2 Al2SiO5 Pb3Sn4SbS14 K2Mg2(SO4)3 (Ce,La)2(CO3)3·8(H2O) Ca2(SiO4) CaAl2Si4O12·4(H2O) Ca(IO3)2 |
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