 | | Journal (article/letter/editorial) | | Genesisof the AguilarZinc-Lead-Silver Deposit,Argentina: ContactMetasomaticvs. SedimentaryExhalative j...Locatedin theEasternCordilleraof northwestern Argentina,theAguilarmineandseveral smallerprospects arealignednorth-south...hedenbergite(Hdlo_55mole %), johannsenite(Jo•s-3s),and diopside (Di2o_so). Late-stageskarnmineralsincludecalcium-rich...exploitation of the Aguilardepositbenorthwestern Argentina(Fig. 1).The depositandsevgan in 1936. Cumulat...• OCEAN .POTO81 - • • CHOCAYA I CHILE / •• EL •ALVADOR POTRERILLOS ß Gu-(Mo-Au) • / ßCu-Pb-Zn-Ag |  | | Journal (article/letter/editorial) | | THE GEOLOGY OF THE AGUILAR LEAD-ZINC MINE, ARGENTINA. FRANK N. SPENCER, JR. CONTENTS. PAGE Abstract.................................................. Mine Geology ............................................ 431 ß.... ABSTRACT. The Aguilar deposit, in northern Argentina, is a hypothermal lead, zinc, silver...INTRODUCTION. T•v. Aguilar Mine, situatedin the Aguilar range of the Andes in northern Argentina,is at presentthe...attentionof its presentowners,the CompafiiaMinera Aguilar, S.A. A development programwas initiatedby thiscompany |  | | Journal (article/letter/editorial) | | lamprophyre dykes from the Eastern Cordillera, NM Argentina Natalia Hauser & Massimo Matteini & Ricardo H...Springer-Verlag 2010 Abstract In the Río Grande Valley, NW Argentina, several porphyritic panidiomorphic, ocelli-bearing...variety of alkaline lamprophyre composed of Ti-rich-diopside/augite, Ti-rich biotite/phlogopite, forsteritic...Mesozoic-Cenozoic continental Salta Rift in NW Argentina. Partial melting of a heterogeneous enriched metasomatized...Salta-CONICET, Buenos Aires 177, Salta 4400, Argentina e-mail: hausernatalia@yahoo.com.ar M. M. Pimentel |  | | Book | | The Metalliferous Ore Deposits of Chile and Argentina, and Their Geologic Framework J. Oyarzun . . .... . . . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc...Oolitic Stratabound Iron Ores in the Silurian of Argentina and Bolivia M.-A. Boso and C. R. Monaldi . . ...The "La Helvecia" Pb, Zn, and Barite Deposit, Argentina A. Brodtkorb and M. K. de Brodtkorb . . . . ..... . . . 187 The Barite Deposits of Canota, Argentina M. K. de Brodtkorb, I. B. A. Schalamuk, S. Ametrano |  | | Book (edition) | | COMPENDIO de LAS ESPECIES MINERALES DE LA REPÚBLICA ARGENTINA Compilado y parcialmente actualizado por Milka...edición Roberto Miró ASOCIACIÓN MINERALÓGICA ARGENTINA FUNDACIÓN EMPREMIN 2015 PRÓLOGO Los tomos 1...(2007) de LAS ESPECIES MINERALES DE LA REPÚBLICA ARGENTINA se encuentran agotados y a pedido de numerosos...COMPENDIO DE LAS ESPECIES MINERALES DE LA REPÚBLICA ARGENTINA Con respecto a la versión anterior se han agregado...“Observaciones mineralógicas de la República Argentina”, referente a unas 30 especies pertenecientes |  | Xu, Rong, Li, Wen-Chang, Deng, Ming-Guo, Zhou, Jia-Xi, Ren, Tao, Yu, Hai-Jun (2019) Genesis of the superlarge Luziyuan Zn-Pb-Fe(-Cu) distal skarn deposit in western Yunnan (SW China): Insights from ore geology and C-H-O-S isotopes. Ore Geology Reviews, 107. 944-959 doi:10.1016/j.oregeorev.2019.03.015 | Journal (article/letter/editorial) | | Hg, Sb-As) and rare metals (Be-Li-Nb) mineral province in SW China (Hou et al., 2007; Li et al., 2010...Magmatic rocks are scarce in/around the Luziyuan mine, except for sporadic unmineralized diabase dikes..., 2010), which outcrops ~14 km southeast of the mine (Figs. 1B and 2A). Nevertheless, regional gravity...concealed intermediate-felsic pluton at depth under the mine (e.g., Dong, 2007; Dong and Chen, 2007; Zhao et...China) (Zhao et al., 2003, 2002a) and Aguilar (Jujuy, Argentina) (Gemmell et al., 1992)) skarn deposits |  | | Journal (article/letter/editorial) | | permeability and high temperature Alfonso Aragón-Aguilar*, Georgina Izquierdo-Montalvo, Siomara López-Blanco...E-mail address: aaragon@iie.org.mx (A. Aragón-Aguilar). Peer-review under responsibility of China University... Please cite this article in press as: Aragón-Aguilar, A., et al., Analysis of heterogeneous characteristics...doi.org/10.1016/j.gsf.2016.10.007 2 A. Aragón-Aguilar et al. / Geoscience Frontiers xxx (2016) 1e12 ... Please cite this article in press as: Aragón-Aguilar, A., et al., Analysis of heterogeneous characteristics |  | Zhao, Yiming, Dong, Yongguan, Li, Daxin, Bi, Chengsi (2003) Geology, mineralogy, geochemistry, and zonation of the Bajiazi dolostone-hosted Zn–Pb–Ag skarn deposit, Liaoning Province, China. Ore Geology Reviews, 23 (3) 153-182 doi:10.1016/s0169-1368(03)00034-9 | Journal (article/letter/editorial) | | dolostone-hosted Zn–Pb–Ag skarn deposit, Liaoning Province, China Yiming Zhao a,*, Yongguan Dong b, Daxin...skarn deposit is located in northwest Liaoning Province, China. The orebodies occur in a contact zone...(Zn – Pb – Ag). Magnesian skarn is composed of diopside, forsterite, tremolite, spinel, phlogopite, chondrodite...– magnesian skarn consists mainly of manganoan diopside, manganoan tremolite, mangano-anthophyllite, and...1016/S0169-1368(03)00034-9 The Bajiazi Zn – Pb– Ag mine is one of the largest skarn deposits in China. It |  | | Journal (article/letter/editorial) | | Geológicas, U.N.L.P., Calle 1 No. 644, 1900, La Plata, Argentina Version of record first published: 06 Jul 2010...Plata, Argentina; Universidad Nacional de Jujuy, Casilla de Correo 258, 4600 S.S. de Jujuy, Argentina; Instituto...Miguel Lillo 205, 4000 San Miguel de Tucum£n, Argentina; Instituto de Recursos Naturales y Agrobiologfa...Spanish by the same authors: "El magmatismo del Paleozoico Inferior en el Sudoeste de Gondwana," published...clearly recorded in central and northwestern Argentina (Sierras Pampeanas, Famatina System, Puna, Eastern |  | | Journal (article/letter/editorial) | | the Brasiliano event (Alkmim and Teixeira, 2017; Aguilar et al., 2017). The Paleoproterozoic event is portrayed...Barbosa and Sabaté, 2004; Teixeira et al., 2015; Aguilar et al., 2017). The Brasiliano event, on the other...Brueckner et al., CE 2000; Vlach et al., 2003, Aguilar et al., 2017). Marshak et al. (1992, 1997) suggested...2000). A synthesis of data from the Mantiqueira Province (Bento dos Santos et al., 2015) suggests that...the QF (Marshak et al., 1997; Noce et al., 1998; Aguilar et al., 2017; Cutts et al., 2018). Zircon and |  | | Journal (issue) | | Cd-bearing phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . ...crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...recovered from the dumps of this small mine. Local collectors reworked the mine dumps many times in search of...about 325 meters southwest of the Bishop manganese mine. The locality was early on referred to as a “copper...spatially distinct from the nearby Bishop manganese mine. The dumps do not contain significant manganese |  | | Journal (article/letter/editorial) | | TICHOMIROWA3, Georges Emmanuel EKODECK1 1 2 3 * Department of Earth Sciences, Faculty of Science, University...24157, Douala, Cameroon; owonas@univ-douala.com Department of Earth Sciences, Faculty of Science, University...5 %) for a granoblastic microstructure. Oxide, diopside, apatite, and zircon are accessories, while sericite...contain plagioclase (75–80 %), quartz (5–10 %), diopside (5–10 %), green amphibole (< 2 %), apatite and...recrystallized grains with undulose and patchy extinction. Diopside (< 0.5 mm) consists of subhedral grains with opaque |  | | Journal (article/letter/editorial) | | Skarn Zonation and Fluid Evolution in the Groundhog Mine, Central Mining District, New Mexico LAWRENCE D...andPb/Agratiosall increase toward the distal southwestend of the mine where highestZn, Pb, and total metal grades also...investigationsof single mines (Paige, 1909; Graton, the mine was closed in 1980 due to a combination of 1910;...increasingsmeltercosts. the 2100, 1950, and 1650 mine levels and selective Skarnmetalcontent(baseduponproduction)iszoned...reloggingof more than 100 diamonddrill holes. withinthe mine (Table1) and,in general,copperdeGeologyand Ore Deposits |  | | Journal (article/letter/editorial) | | A N D CIPW NORM CALCULATION* M.P. VERMA*, V.H. AGUILAR-Y-VARGAS. AND S.P. VERMA' Departamento de Geotermia...is a modified version of a program written by Aguilar-Y-Vargas (1985)and is given in Appendix I. It is...(major-element analyses of igneous rocks from MVB; Aguilar-Y-Vargas "Published with the l'x:rmission of the...minerals are zero for the dala sets on the MVB (Aguilar-Y-Vargas, 1985). Programs for graphical presentation...improving the previous manuscript. REFERENCES Aguilar-Y-Vargas. V. H., 1985.Composicidn quimica de los |  | | Journal (article/letter/editorial) | | Yonezu 2, Koichiro Watanabe2, Thomas Tindell2 1. Department of Resources Science and Engineering, Faculty...University of Geosciences, Wuhan 430074, China 2. Department of Earth Resources Engineering, Faculty of Engineering...Fukuoka 819-0395, Japan *Corresponding author at: Department of Resources Science and Engineering, Faculty...deposit, located in the southern part of Hunan Province, South China, is hosted in Carboniferous sedimentary...and F2 and located in the southeast portion of the mine. They mainly appear in the hanging wall of the F1 |  | Cutts, Kathryn, Lana, Cristiano, Alkmim, Fernando, Farina, Federico, Moreira, Hugo, Coelho, Viviane (2019) Metamorphism and exhumation of basement gneiss domes in the Quadrilátero Ferrífero: Two stage dome-and-keel evolution?. Geoscience Frontiers, 10 (5) 1765-1787 doi:10.1016/j.gsf.2019.02.009 | Journal (article/letter/editorial) | | Cruzeiro, 35400-000, Ouro Preto, MG, Brazil b Department of Earth Sciences, University of Geneva, Rue...identified as a Paleoproterozoic dome-and-keel province for more than three decades. The prevailing model...record for the formation of this dome-and-keel province. A clinopyroxene-bearing migmatite from the core...craton of Brazil hosts a B-type dome-and-keel province. The basement consists of ca. 3200e2800 Ma granitoid-gneiss...Paleoproterozoic formation of this dome-andkeel province: 1) the domes are mostly made up of gneisses however |  | | Journal (article/letter/editorial) | | mineralization in the Chilean Iron Belt, with emphasis on the El Algarrobo iron deposits (Atacama region, Chile) J... @ > 100. 1: Boquerdn-Chafiar; 2: El Algarrobo 3: Cristales; 4: El Romeral. 9 : between 20 and 100. ...crystallization of agglomerated small crystals of diopside which have been slightly uralitized to actinolite;...network. Facies I I h Intense uralitization of diopside into zoned / actinolite; disappearance of secondary...facies. Some actinolite cores and the presence of diopside (but the absence of hornblende) in Facies II and |  | | Journal (article/letter/editorial) | | Ansehrift des Verfassers: Prof. U. PETERSEN, Department of Geological Seienees, Harvard University, 20...cobre-uranio-vanadio en capas rojas, plomo-zine (incluyendo el ripe Mississippi Valley), mercurio, estafio, pegmatitas...conocida de los diferentes tipos de dep6sitos es el nivel basra el cual la erosi6n ha denudado una eadena de...Metallogenic Provinces in South America Desde el punto de vista pr~ctico el presente trabajo revela varias posibilidades...levantando asi el nivel de vida de su creciente problaei6n. Mientras que en la Am6rica deI Notre tanto el Canada |  | | Journal (article/letter/editorial) | | handling: J.L. Walshe P.M. Ashley (&) · B.R. Willott1 Department of Geology and Geophysics, University of New...Lachlan Fold Belt (LFB) was a significant VHMS province (e.g. Davis 1990; Large 1992). It was also influenced...conditions found at oxidising sul- system johannsenite-diopside-hedenbergite. Hachured field covers clinopyroxene...Stewart Samples housed in the collection of the Department of Geology and Geophysics, University of New...Samples of sulphide-rich skarn from drill core and mine dumps were analysed for selected chalcophile and |  | Lu, Wan-Jian, Zhang, Li, Chen, Hua-Yong, Han, Jin-Sheng, Jiang, Hong-Jun, Li, Deng-Feng, Fang, Jing, Wang, Cheng-Ming, Zheng, Yi, Tan, Zhi-Xiong (2018) Geology, fluid inclusion and isotope geochemistry of the Hongyuan reworked sediment-hosted Zn–Pb deposit: Metallogenic implications for Zn–Pb deposits in the Eastern Tianshan, NW China. Ore Geology Reviews, 100. 504-533 doi:10.1016/j.oregeorev.2017.01.004 | Journal (article/letter/editorial) | | sediment-hosted Pb–Zn deposits worldwide (e.g., Aguilar (Argentina), George Fisher (Australia), Baiyinnuoer...are hosted by siliceous slate and (epidote and diopside altered) carbonaceous marble (Fig. 2B). Quaternary...at Hongyuan include mainly silicic, carbonate, diopside, tremolite and chlorite alterations. Silicic alteration...(calcite and ankerite) alteration is also important. Diopside alteration occurs in the siliceous slate, whilst...meters thick, occur in the footwall, and altered to diopside, tremolite and chlorite (Figs. 4P, Q). The Hongyuan |  | | Journal (article/letter/editorial) | | Magmatic to Magmatic-Hydrothermal Evolution of the El Laco Deposit (Chile) and Its Implications for the...del País Vasco UPV/EHU, 48080 Bilbao, Spain 3 Department of Earth Sciences, Memorial University of Newfoundland...3X5 Abstract The geology and geochemistry of the El Laco iron oxide deposit (Central Andes, Chile) support...etite-scapolite) that includes coarse-grained diopside-magnetite-anhydrite veins and large subvertical...proportion of the early magnetite by hematite. The El Laco system is rich in anhydrite but poor in sulfides |  | Alva-Valdivia, L. M., Rivas, M. L., Goguitchaichvili, A., Urrutia-Fucugauchi, J., Gonzalez, J. A., Morales, J., Gómez, S., Henríquez, F., Nyström, J. O., Naslund, R. H. (2003) Rock-Magnetic and Oxide Microscopic Studies of the El Laco Iron Ore Deposits, Chilean Andes, and Implications for Magnetic Anomaly Modeling. International Geology Review, 45 (6) 533-547 doi:10.2747/0020-6814.45.6.533 | Journal (article/letter/editorial) | | Rock-Magnetic and Oxide Microscopic Studies of the El Laco Iron Ore Deposits, Chilean Andes, and Implications...Santiago de Chile, Santiago, Chile J. O. NYSTRÖM, Department of Mineralogy, Swedish Museum of Natural History...History, Stockholm, Sweden AND R. H. NASLUND Department of Geological Sciences, State University of New...rock-magnetic studies of the ores and host rocks of the El Laco iron oxide deposits permit us to characterize...showing the location of the iron ore deposits at El Laco, Chile. Numbered black stars indicate the paleomagnetic |  | | Journal (article/letter/editorial) | | Central Atacama Province, Chile Abstract: Geologically, the central part of Atacama Province straddles the...The entire area is in the copper metallogenetic province of Ruiz and Ericksen (1962), and parts of it are...are represented in the central part of Atacama Province. However, most of the production of metals has...References cited 317 Figure 1. Index map of Atacama Province, Chile . . . 306 2. Locations of figures in Plates...locations of representative mines in central Atacama Province, Chile 314 Plate Facing 1. Geologic map and structure |  | Fitros, Michalis, Tombros, Stylianos F., Kokkalas, Sotirios, Kilias, Stephanos P., Perraki, Maria, Skliros, Vasilios, Simos, Xenofon C., Papaspyropoulos, Konstantinos, Avgouropoulos, George, Williams-Jones, Anthony E., Zhai, Degao, Hatzipanagiotou, Konstantin (2020) REE-enriched skarns in collisional settings: The example of Xanthi's Fe-skarn, Rhodope Metallogenetic Massif, Northern Greece. Lithos, 370. 105638pp. doi:10.1016/j.lithos.2020.105638 | Journal (article/letter/editorial) | | Massif, Northern Greece MICHALIS FITROS1, 1 Department of Geology, University of Patras, Rion, 26500...26500, Patras, Greece STYLIANOS F. TOMBROS2, 2 Department of Materials Science, University of Patras, GR-26504...GR-26504 Rio Patras, Greece, SOTIRIOS KOKKALAS1, 1 Department of Geology, University of Patras, Rion, 26500...Patras, Greece of STEPHANOS P. KILIAS4, 4 Department of Geology and Geoenvironment, Section of Economic...KONSTANTINOS PAPASPYROPOULOS1, GEORGE AVGOUROPOULOS2, Department of Earth and Planetary Sciences, 3450 University |  | Zhao, Chun-tao, Sun, Jing-gui, Chu, Xiao-lei, Qin, Ke-zhang, Ren, Liang, Xu, Zhi-kai, Liu, Yang, Han, Ji-long, Bai, Cheng-lin, Shu, Wang (2021) Metallogeny of the Ergu Fe-Zn polymetallic deposit, central Lesser Xing’an Range, NE China: Evidence from skarn mineralogy, fluid inclusions and H-O-S-Pb isotopes. Ore Geology Reviews, 135. 104227pp. doi:10.1016/j.oregeorev.2021.104227 | Journal (article/letter/editorial) | | composed of light green diopside (Di81.2~93.7Hd5.30~17.2Jo1.03~1.98) (Di-Diopside, HdHedenbergite, Jo-Johannsenite);...through by late carbonate veins. (B) Grt-1 and diopside coexist in massive prograde skarn. (C) The reddish...rite veins. Abbreviations: Grt = garnet; Di = diopside; Ep = epidote; Act = Actinolite; Chl = chlorite;...Euhedral-subhedral Grt-1 and diopside are metasomatized by epidote; (B) Grt1 and diopside intergrowth; (C) Zonation...Grt-1, diopside and epidote; (F) Epidote intergrowth with magnetite and replaced the early diopside; (G) |
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