 | | Journal (article/letter/editorial) | | of the orebody and its environs. Bedrocknear the mine consistsmostly of extensivevolcanic flows and i...e. The most prominent structural feature in the mine area is the Braden Pipe•a circular, downward-tapering...porphyry-type deposits. INTRODUCTION THE E1 Teniente Mine of the Braden Copper Company is on the western flank...three-yearperiod, surface geologyin the vicinity of the mine was mappedon a scaleof 1:2,500, accessibleundergroundworkingswere...Reconnaissance traversesand aerial flights over the mine area helped to establishthe regionalsetting. Topographic |  | | Journal (article/letter/editorial) | | ND moderate no data gal galena gr garnet gyp gypsum Is M p lime•tone monzonite porphyry repl replacement... ..,.[.o..•..a.•t..e....U..W.. ............. Toquepala late K(?) Rhy,And, daciteporphyry 59 nonerecognized...teds & metasediments Qmstock 65 NI= & NWfits Peru Dio irregularstock elongate N-S elongate irregular..... 30 , .................................. Toquepala oval, elongateNW original: brecciapipe 70 ...Arizona a Iteration zone Toquepala mi nor; <• 1000 tacti te tacti te mont Peru Typical Porphyry Copper |  | | Report (issue) | | “leached caps,” include goethite, jarosite, hematite, gypsum, alunite, and kaolinite. Supergene and oxide minerals...copper-bearing mineral assemblages at the Lakeshore mine in Arizona, as follows: chalcocite zone, brochantite...solutions (Hartley and Rice, 2005). At the Lakeshore mine in Arizona, Cook (1988) found chrysocolla mineralization...The CaO was depleted in the goethite zone, but gypsum was present in the chalcocite zone. Copper oxide...underground or open-pit mining methods may be used to mine the skarn deposits. Sulfide ores are generally crushed |  | | Book | | Potteriics, Chile . 4 ¢ Section Through Arequipa, Peru 5 ¢ Section Through Potrerillos, Chile . ; 6...Rego Chile : 7 ¢ Michiquillay Regional Geology (Peru) . 8 © Structure at Chuquicamata, Chile . 9 ¢ Surface...Morococha, Peru, including Toro Mocho Area . 13 © Structural Outline of Toquepala, Peru . ‘ 14 ¢...¢ Detailed Surface Geologic Map of Toquepala . 15 16 17 18 19 ¢ © ¢ ¢ ¢ Index Map (Appalachian Orogen)...Plutonic Belt, ies 27 @ Geology of the Kobuk-Koyukuk Province (Alaska). 28 © Interior Belt (Alaska). 3 ; , |  | | Journal (article/letter/editorial) | | to increases in the waste/metal production ratio. Mine wastes deposited on-land in so-called tailings dams...environmental issues that need to be addressed (e.g., acid mine drainage formation due to sulphide oxidation, geotechnical...is a suitable alternative for mine waste. Keywords: tailings; acid mine drainage; waste management; marine...mining, the formation of acid mine drainage (AMD). AMD occurs, when sulphidic mine waste is exposed to atmospheric...and mine tailings storage areas and in underground workings or on the walls of an open pit mine. Due |  | | Journal (article/letter/editorial) | | 150 X 150 >600 Angularto sub- Absent rounded Peru San Pedro de 10 to >50% rounded Granodiorite...Aiken, 1982) and Toquepala, exhibit a greater variety of texturesthan isolated Peru (ZwengandClark, 1984)...accompanied by, or the casein the zoneof advanced Peru,wherea radialswarm of tourmaline-grades into,advanced...Cuajone,Peru Northwestfaults, latite porphyry 51 pipes Steeptabular + irregular bodies Toquepala, Latite...Latite porphyry 59 Irregular pipe, Peru E1 Salvador, Chile flour Rounded Rock flour dikes Northwest |  | | Report (issue) | | Mines and mineral resources—Peru—History. 2. Metallurgy—Peru—History. 3. Peru— Antiquities. I. Title. TN52...use today. Native copper from the Cerro de Pasco Mine, a shell used as a palette for mixing cinnabar-based...in Latin America. The pleasure has certainly been mine. I would like to express my sincere thanks and appreciation...world. And, if I remember correctly, it was Prof. Jorge Muelle who first told me about Petersen’s geological...Minería y Metalurgia en el Antiguo Perú. When Dr. Jorge Muelle became director of the Museo Nacional de |  | Perello, J., Carlotto, V., Zarate, A., Ramos, P., Posso, H., Neyra, C., Caballero, A., Fuster, N., Muhr, R. (2003) Porphyry-Style Alteration and Mineralization of the Middle Eocene to Early Oligocene Andahuaylas-Yauri Belt, Cuzco Region, Peru. Economic Geology, 98 (8) 1575-1605 doi:10.2113/gsecongeo.98.8.1575 | Journal (article/letter/editorial) | | Oligocene Andahuaylas-Yauri Belt, Cuzco Region, Peru JOSÉ PERELLÓ,† Antofagasta Minerals S.A. Ahumada...belt of southeastern Peru is rapidly emerging as an important porphyry copper province. Field work by the...deflection. Similarly, evidence from southeastern Peru suggests that the Andahuaylas-Yauri belt may be...the process of subduction flattening in southern Peru also may have taken place in northern Chile between...an area of approximately 25,000 km2 in southern Peru and extends for about 300 km between the localities |  | | Book | | Universidad Nacional de lngenieria, and Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez...Galvez Barrenechea 218, Urb. Corpac Lima-San Isidro, Peru Prof. Dr. ESTEBAN CEDILW Facultad de Minas, Metalurgia...place in September 1986 in Cusco, Peru, sponsored by Multiciencias (Peru) and UNESCO. During this seminar...Latorre, Director of the Multiciencias courses in Peru strongly supported the whole organization of the...Occurrences in the Paleozoic of the Yauli Dome, Central Peru H. W. Kobe . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | waters from the supergene zone in the La Escondida mine (Alpers and Whittemore 1990) compared to low salinity...have given rise to more homogeneous values. Before mine development, soil samples were collected by Minera...Palacios et al. (2005) collected salt samples (gypsum + anhydrite + halite), which were dissolved in...anomalies shown in Fig. 10. At Mantos Blancos, in gypsum–halite material, Palacios et al. (2005) found Cu...copper-bearing smectites from the Radomiro Tomic mine, Chile: insoluble mineral occurrences. Econ Geol |  | | Journal (issue) | | Thermal H. A. Shrecengost Preventive Maintenance At Toquepala PRODUCTION 7 d by the authors within these...and Costs of Rock Drilling at the Silver Summit Mine, Hecla Mining Co., Shoshone County, Idaho,” by D‘Arcy...useful PREVENTIVE MAINTENANCE AT TOQUEPALA The Toquepala pit of Southern Peru Copper Corp. is the largest... FLEET AT GETCHELL Getchell gold mine scrapers, million Mine, in C-6 yards Inc., near America...America. and Golconda, An TC-12 MINE all-Euclid crawlers of overburden and Nevada fleet was ore |  | | Journal (article/letter/editorial) | | zone of partial oxidation which over much of the mine separatesthe sulphideand oxidized orebodies. Finally..... trite ........ Na•'e2 (SO4)4(OH) 2. 3H20 Gypsum ....... CaO .SOs .H•O Halite ......... Halotrichite...Posnjak, E.: Sulphate incrustationsin the Copper Queen Mine, Bisbee,Ariz. Amer. Min. 22: 567-571, 1937. :256...distance, automobiles appearto coastuphill,and the mine 5 In a personal communication, dated October 13...unaltered. Since the granodioritebeyondthe limitsof the mine is essentially unaltered,the propyliticalteration |  | | Journal (issue) | | A stretch of rocky coastline near the Rio Marina mine on the Isle of Elba: great mineralhunting terrain...other sulphide minerals can all be obtained from old mine spoil heaps. All over Britain, disused spoil heaps...and avoid fenced-off areas that may contain hidden mine shafts and old adits. In the south Pennines of Derbyshire...walked along: they didn't need to pan the rivers or mine the hills, all they had to do was bend down and...worked at one time, and Ranger is the only Kakadu mine currently in operation. Elsewhere, there is a shrinking |  | | 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... 1984; Dilles et al., 2000). Both the Yerington mine and Ann-Mason deposits are exposed continuously...inferred to be the source of both the Yerington mine system (Fig. 2A) and the Ann-Mason system (Fig. |  | | Journal (issue) | | Cordillera and Altiplano west of Lake Titicaca, southern Peru RA ELLISON Contributors C J N Fletcher, M P Hawkins...Copper-dominated deposits 23 Nonmetallic minerals 23 Gypsum 23 Limestone 23 Kaolinite 23 Oil 23 Summary 1...Palaeozoic rocks in the Altiplano region, southern Peru 3 Sketch map of outcrops of Palaeozoic rocks on...Cordillera and Altiplano west of Lake Titicaca, southern Peru. Overseas Geology and Mineral Resources, No. 65...Lake Titicaca, southern Peru R A ELLISON SUMMARY The Andes of southern Peru are made up of two sub |  | Fernández-Mort, A., Riquelme, R., Alonso-Zarza, A. M., Campos, E., Bissig, T., Mpodozis, C., Carretier, S., Herrera, C., Tapia, M., Pizarro, H., Muñoz, S. (2018) A genetic model based on evapoconcentration for sediment-hosted exotic-Cu mineralization in arid environments: the case of the El Tesoro Central copper deposit, Atacama Desert, Chile. Mineralium Deposita, 53 (6) 775-795 doi:10.1007/s00126-017-0780-2 | Journal (article/letter/editorial) | | paleoclimatic setting The El Tesoro Central copper mine is located in the Atacama Desert of northern Chile...(COCHILCO; www.cochilco.cl), the A 70ºW 69ºW Calama Peru Calama Basin Central Depression CMD Coastal Cordillera...exposed in and around the El Tesoro Central open-pit mine. The Tesoro gravels (~ 600 m thick) broadly comprise...of alluvial gravels that are locally cemented by gypsum and contain several carbonate-rich paleosols (Oerter...in the El Tesoro Central open-pit mine was studied along the mine ramps, which are oblique to the dip |  | | Journal (article/letter/editorial) | | an evolvingsupergenesystem. rositiccappingat Toquepala,Peru. Multiple stagesof leachingandenrichmentha...pyrite oxidation, such as acid sulfate soilsand acid mine drainages(van Breemen, 1973; Nordstrom et al.,...andanhydriteandthe depositionof supergenekaolinite,gypsum,andalunite. Supergenekaoliniteis rare or absentin... of a digenite(-anilite)zone may be useful for mine planningand grade control during mining, because...limonite mineralspre- nationby hazardouswastesand acid mine drainage servedin the leachedcappingzone at La Escondida |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ..............recentinitiation of productionfrom Marcona and Toquepala,the main sourceof metalswas Central Peril. Mineral...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand...observations and ideas. MAJOR ORE DEPOSITS OF CENTRAL PERU 409 General summariesare presentedby McLaughlin...ßO0•A BASILIA YAURIOOCHA LOCATION CENTRAL 50 MAP PERU 0 50 •ILOM[T[RS ß Fro. 1. Locationmap. GASTROVlRREYNA | | | Report (issue) | | hydrocarbon resources from oil fields, by petroleum province within Latin America and the Caribbean, from the...hydrocarbon resources from oil fields, by petroleum province within Latin America and the Caribbean, from the.......55 1–1. Global reserve estimates (2015) and mine production (2014–15) of nonfuel mineral commodities...hydrocarbon resources from gas-only fields, by petroleum province within Latin America and the Caribbean..........extra-heavy crude from oil fields, by petroleum province within Latin America and the Caribbean....... |  | | Book | | The second paper, by Jean Franc;ois Toussaint and Jorge Julian Restrepo, refers to the Cretaceous in the...covering the tectonic evolution of the Cretaceous in Peru, was written by Etienne Jaillard. The fourth paper...Geologie, 290 pp. Steinmann, G. (1929): Geologie von Peru. Heidelberg, Karl Winter Ed., 448 pp. Weaver, Ch...northern South America (Le., true continental slope province), little can be ascertained because of the obscuring...northern South American Cretaceous passive margin province. More westerly parts of Colombia, such as the |  | | Book | | asphalt, cement, clays, sand and gravel, sandstone, gypsum, lime, slate, and stone. The multiplicity of building...coal at de¬ livered costs that are competitive with mine price coal in the Ruhr. Ore Reserves and Changing...the term used for ores that are shipped from the mine without further beneficiation. 2Percival, F. G....Atlantic City mine is shipped to the Geneva Steel plant in Utah, and the output of the Sunrise mine is shipped...of iron ore in California is the Eagle Mountain mine in Riverside county. The ore is shipped to the blast |  | | Journal (article/letter/editorial) | | present water table Elevation at top of Ca sulfates(gypsum,anhydrite) Leachingefficiency:percent removal of...at La Escondida,Chile tectonic phasedocumentedin Peru, central Chile, La Escondidais a large, relatively...plagioelase,and/or serieite, with minor K-feldspar, gypsum,calcite, anhydrite, and little to no flux. Under...constant and we have postulatedthat this ratio has Toquepala,Peru (Richard and Courtright, 1958; Anderson,1982)...supergeneenrichment at La Escondida,Antofagasta province,Chile labs.l:Geol. Soc. AmericaAbstractswith Programs |  | | Book | | asphalt, cement, clays, sand and gravel, sandstone, gypsum, lime, slate, and stone. The n1ultiplicity of building...coal at delivered costs that are competitive with mine price coal in hie Ruhr. Ore Reserves and Changing...the term used for ores that are shipped from the mine without further beneficiation. 2Percival, F. G....Atlantic City mine is shipped to the Geneva Steel plant in Utah, and the output of the Sunrise mine is shipped...of iron ore in California is the Eagle Mountain mine in Riverside county. The ore is shipped to the blast |  | | Report (issue) | | .......................... 26 Questa molybdenum mine .................................................................................. 35 Copper King mine .................................................................................... 41 San Pedro mine ..................................................Azure—Rising Sun mine ...................................................................... 42 Romero mine .......................................... 47 Beaumont mine ............................................... |  | | Report (Issue volume) | | . . • . • . Fig. 3 Mapping projects in Peru Fig. 4 Mapping progress in Guadalcanal (1: 50...additional geologists for a technical assistance team i11 Peru, a publica tions officer in Nigeria, a librarian...traverses over mineralised faults in the Coast Province of Kenya', by R. B. Evans. A Special Report entitled...the availability of mineral substances such as gypsum as by-products of certain chemical processes. Advice...washing and heavy media separation tests to recover gypsum from sandy clays in northern Bechuanaland, beneficiation |
|
