 | | Book | | Cn1tbbel c.â– pAlce â– Yâ– ur,coch• Cobna Location of Peru within South America and Centromln Peru's operations... I H S CENTROMIN EMPRESA MINERA DEL CENTRO DEL PERU Editor: Enrique Cavero Gosser T PUBLISHED BY...ODAY the Empresa Minera del Centro del Peru (CENTROMIN - PERU) is the pride of all Peruvians. It was...tional necessity and social interest. CENTROMIN - PERU belongs to all Peruvians, and its creation occurred...to In-' 1 crease production indexes. CENTROMIN - PERU is one cf the state or· ganizations which is determined |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ........................................................... Cobriza .................................................summarizedas a frame of referencefor a discussionof copper,lead, zinc and silver depositsin this region. The...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand...observations and ideas. MAJOR ORE DEPOSITS OF CENTRAL PERU 409 General summariesare presentedby McLaughlin |  | | Book | | P')76m Purser, W I' C 198T- , • Metal-mining in Peru, put and present 1by1 W. F . C. Purser. New York...NIOUro.. Peru. . l. Tltle- TN~9.P8T. . -· ' • 18,50 '18-182'81 Metal-Mining in Peru, Past and...social, and political development. Metal-Mining in Peru, Past and Present -a :'O > m C) m ::D ,, Ch...importance of the mines of Peru. Part~ of the book sketches the background of Peru and its mining history...into five chapters for the five mining areas of Peru. Part III is concerned with the economic significance |  | | Report (issue) | | Mines and mineral resources—Peru—History. 2. Metallurgy—Peru—History. 3. Peru— Antiquities. I. Title. TN52.... . . . . . . . . . . . . . . . . . . . . . 27 Copper . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . 49 Copper . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . 49 Qualitative Analysis of Native Copper from PerĂş . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . 51 Copper Metallurgy in Northern Chile . . . . . . . . . |  | | Journal (article/letter/editorial) | | A SpecialIssueDevoted to the Mineral Depositsof Peru Preface ULRICH PETERSEN, Departmentof Earth and...PerubarS.A.,Juan de Arona 830 (Of 90I), Lima 27, Peru AND DONALD C. NOBLE MackaySchoolof Mines, Universityof...miningtradition, datingback to preInca and Inca times, when copper, gold, silver, tin, lead, and mercury, as well...Huarochir•,Colquijirca,Cerro de Pasco,Morococha,Huancavelica,Julcani,Castrovirreyna,SanJuande Lucanas,Cochasayhuas...wasmostlyusedfor the treatment of silver and gold ores in Peru, Bolivia, and Mexico (RodriguezHoyle, 1974). In |  | | Journal (article/letter/editorial) | | Ventures in Peru ALBERTOBENAVIDESQ. Cia. de Minas Buenaventura S.A., Carlos Villaran 790, Lima 13, Peru Abstract...Castrovirreyna, andCaillomadistricts,andmercuryfromthe Huancavelica district.After a longperiodof stagnation followingthe...significantexplorationand mining developmentsin Peru in this century occurredbetween were madeby a numberof...mineralresourceswaslikely withinthe nextdecade, mining in Peru began a period of growth. Eulogio set off an intensesearchfor...Corporation,for exploitationof the polymepenedin Peru before 1940. Figure i showsthe lo- tallic ores of |  | Siesgesmund, Siegfried, LĂłpez-Doncel, RubĂ©n, Sieck, Pascal, Wilke, Hendrik, Wemmer, Klaus, Frei, Dirk, Oriolo, Sebastián (2018) Geochronological and geochemical constraints on the genesis of Cu-Au skarn deposits of the Santa MarĂa de la Paz district (Sierra del Fraile, Mexico) Ore Geology Reviews, 94. 310-325 doi:10.1016/j.oregeorev.2018.02.010 | Journal (article/letter/editorial) | | granitic stocks (Membrillo, Santa Teresa, Dolores and Cobriza), resulting in contact metamorphic transformations...one molybdenite sample from the exoskarn of the Cobriza intrusion. For the Re measurement, the sample...pyrite can be observed. On the other hand, the Cobriza intrusion shows a monzogranitic to granodioritic...were only formed at the rim of the Dolores and Cobriza intrusions, showing thicknesses of up to 5 and...(Ab) = 60.19%, and orthoclase (Or) = 2.11%) and Cobriza intrusions (An = 35.32%, Ab = 62.36%, and Or = |  | | Journal (issue) | | ANOTHER ROUND OF BRASS PRICE CHANGES The move to 38¢ copper triggered another round of price changes in the...'I NEVITABLE' MW survey: Peru's big plans for copper If everything else has gone up in price, why shouldn't...lots. DUAL PRICE STRUCTURE FOR COPPER The price structure for refined copper has become as conÂŁ used as...result of the latest round of price hikes. Most copper producers jumped quotes 2¢ across the board, but...last year failed to depress prices. pl0 CH ILEAN COPPER NOT INCLUDED IN DOMESTIC AVERAGE Washington report |  | | Journal (article/letter/editorial) | | DEPOSIT2 THE MATEHUALA, METAMORPHIC ORE- DOLORES MINE, AT S. L. P., MEXICO. J. E. SVURR,G. H. GARREY...GARREY,AND CLARENCEN. FESSER. SUMMARY. The Dolores Mine is situated at the east base of a small moun- tain...product of metamorphism. Around the northern or Cobriza intrusion the lime-silicaterock is abundantand...the Dolores mine. The work beganin •9o5 when a geologicalmap of the surfaceabove the mine and existing...In •9o9 Mr. Spurr made an examinationof the Cobriza mine, a mile to the north. Subsequentto this work |  | | Journal (article/letter/editorial) | | BARiVES TABLE STANDARD DEVIATION Range Zinc: Copper: Iron: 2 OF THE ANALYTICAL METHOD Standard...samplesand assaysare shownin Figures10 and 11. The Cobriza vein samples are takenfrom oneof the mosthighl...mosthighlysilicifiedandveinedareas of the Frisco Mine. The Transvaalvein samplesare takenfrom the extreme northeastern...be enrichedin the E1 Mante vein but not in the Cobriza vein. In the Transvaalvein (Fig. 11) the gradientof... 939 I' I I I i I //-- / / / / / /// COBRIZA LLI m // z o I z z a. / / / z / I z |  | | Journal (article/letter/editorial) | | propiedades por 98 años a The Tharsis Sulphur & Copper Co. Ltd.. (T.S.C.), fundada ese mismo año en Glasgow...543 2 Pirita cobriza y manganeso Manganeso Pirita cobriza Pirita cobriza Pirita cobriza Manganeso Pirita...Pirita cobriza Pirita cobriza Pirita cobriza Minas de Soloviejo - RĂo Odiel 1907 1908 1909 1909 14 -...600 600 4,450 3 8 3,500 3,213 Pirita cobriza Cobre Pirita cobriza Manganeso Manganeso Tharsis - RĂo Odiel...76 3 Pirita cruda Pirita cobriza Pirita cruda Pirita cobriza Pirita cobriza, cobre y ácido sulfĂşrico |  | | 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 . . . . . . . . . . . . . . . . . . |  | Kontak, Daniel J., Cumming, George L., Krstic, Dragan, Clark, Alan H., Farrar, Edward (1990) Isotopic composition of lead in ore deposits of the Cordillera Oriental, southeastern Peru. Economic Geology, 85 (7) 1584-1603 doi:10.2113/gsecongeo.85.7.1584 | Journal (article/letter/editorial) | | Depositsof the Cordillera Oriental, Southeastern Peru DANIEL J. KONTAK, Departmentof Minesand Energy,P...esentin the Cordillera de Carabaya,southeastern Peru,segmentof the centralAndeanInnerArc domain.The deposits...regionasa whole. A comparison of the southeastern Peru ore lead datawith thoseavailablefor the metallo-... Pb1SOTOPE COMPOSITION, CORDILLERA ORIENTAL, SOUTHEASTERN PERU 1585 (Audebaud andAmosse,1981; Clarket al., 1984)...lithosphere,it wasthoughtthataninvespartment,southeastern Peru,representing a 150-km- tigationof the leadisotopecomposition |  | | Journal (issue) | | A New Occurrence of Allophane From the Laochang Mine, Gejiu City, Yunnan, China Tony Nikischer Excalibur...exceptional allophane specimens from the Laochang Mine (see figure I) came as a complete surprise. Our...neither species had previously been reported from this mine, best known for its pale blue hemimorphite. Figure...colorful specimenof allophane from the laochang Mine, near Gejiu City in YunnanProvince.This sample providedthe...000-7,000 years ago when Copper Culture Paleo Indians were "mining" native copper in the Keweenaw Peninsula |  | | Journal (article/letter/editorial) | | types of ores are recognized in the Huanzala mine, Peru. Zinc and lead ore of adularia-sericite type...skarn and altered country rocks. On the other hand, copper and silver (tin) ore of acid-sulfate type, is characterized...vapor-dominated system. The copper ores from the Teine mine, Hokkaido, Japan and the Chinkuashih mine, Taiwan are acid-sulfate... The enargite and luzonite ores in the Hokuetsu mine, Japan are closely associated with native sulfur...Deposits, Peru In the Huanzala deposits, Peru, zinc and lead deposits coexist with copper and silver |  | | Report (issue) | | 3 Porphyry copper molybdenum rich 9 Porphyry copper gold rich 15 Porphyry copper 21 Molybdenum...fluorine 31 Iron skarn 34 Copper skarn 38 Copper skarn--porphyry copper 43 Tungsten skarn 49 Cyprus...Grade-tonnage models for skarn copper associated with porphyry copper, laterite nickel of the oxide type...type, and general porphyry copper do not yet have associated descriptive models. Although both the descriptive...logarithmic transformation was used for tonnage and copper grade, whereas a square root transformation was |  | | Journal (article/letter/editorial) | | Hermosilla The role of bitumen in strata-bound copper deposit formation in the Copiapo area, Northern...The present work analyses four small strata-bound copper deposits located along a north–south belt approximately...pyrite is epigenetic, the δ34S values of pyrite and copper sulphides are very different, with distinctive...the oceanic lithosphere under South America. In Peru and southernmost Chile (region of Magallanes), the...Fig. 1): San Pedro (2.0% Cu; 21 ppm Ag), Manto Cobriza (4.3% Cu; 48 ppm Au), La Culebra (3.5% Cu) and |  | | Book | | Dependency: Mining, Class, and Power in "Revolutionary" Peru David G. Becker Princeton University Press · Princeton...1. 2. 3. 4. Development, Class, and Dependency Peru: Un Pais Minero Mining Policy and Policymaking after...Transnationals and the Peruvian State 5. Southern Peru Copper versus an Assertive State: The Cuajone Project...Agreements D. Statutory Rights and Privileges of Peruvian Mine Workers 345 361 365 Bibliography Index 371 409... List of Tables 2.1 Indicators of Development for Peru 2.2 Peruvian Exports by Product, 1960 and 1980 2 |  | | Journal (article/letter/editorial) | | aboutthirty mineraldistrictsin the Andesof Central Peru. The resultsof that investigation, describingeight...opportunityto study during my residencein Central Peru for over a decade. I wish to expressmy appreciationto...vent, phyllitesectionin San Crist6bal,Cambalache mine southof Julcani). Conversely,veinsare well developedin...the 1,700 level, which is the deepest level of the mine. Generally,it is only local and so far has not been...particularlyusefulin predictingore limits. However, in the Volcan mine, which is locatedin the peripheralor marginalpart |  | | Book | | CONFLICT Corporate Mining, Activism, and Expertise in Peru Fabiana Li Duke University Press Durhamand London...conflict : corporate mining, activism, and expertise in Peru / Fabiana Li. pages cm Includes bibliographical...industries—Social aspects—Peru. 2. Mineral industries—Political aspects—Peru. 3. Mineral industries—Economic...industries—Economic aspects— Peru. 4. Mineral industries— Environmental aspects—Peru. 5. Mines and mineral resources—...resources— Peru. 6. Social conflict—Peru. 1. Title. HD9506.P42L54 2015 338.20985—dc23 2014038000 Cover |  | | Report (issue) | | Lost Gulch Mine, near Globe; Mohave County, in Mineral Park;; Pima County, in Mammouth Mine, Schulty;...Mountains; carries gold and some silver at McCabe mine. ASBESTOS (chrysotile ). Coconino County, associated...(hyrdous carbonate of copper). Cochise County, was abundant at Copper Queen mine, Bisbee district. The...specimens of Azurite"in many museums have come from this mine. Gila and Pinal Counties, rare in Globe district...(carbonate of copper). Cochise County, blue azurite and green malachite, an ornamental stone in copper mines |  | | Report (issue) | | Brunel. No. men employed: 20. Ores: Copper. AMERICAN BOY MINE. Patagonia, Arizona. Owners: Jens Petersen...Mgr., S. S. Jones; Asst. Gen. Mgr., J. M. Francis; Mine Supt., Lowell Gordon; Auditor, J. S. Withers. 24...employed: 125. Ores: Sulphide copper ores. 180 tons daily. ARIZONA COPPER CO., LTD. Clifton, Arizona. Mill...Carmichael; Cashier and Purchasing Agt., J. G. Cooper; Mine Supt., P. B. Scotland; Concentrator Supt., Arthur...Louisville, Ky. Operating Dept: Gen. Mgr., J. T. Tong; Mine Supt., H. M. Tong; Chief Engineer, A. J. Medbery |  | | Journal (article/letter/editorial) | | diamond drill cores from various horizons of this mine as well as the workings andstopes.Theminenowhasa...metamorphosed limestone.In plotting drill holesand mine workings,it was found that zonesof meta- morphosed...monzonite mass ihey accompany. The Dolores and Cobriza occurrence at Matehuala, S.L.P., Mexico, is another...HORIZON GeneralizedPlans of Ore Chimney at Copper Queen Mine, Velardefia, Durango, Mexico. CONTACT METAMORPHIC...point would bear emphasis. At both Dolores and Cobriza the monzonite mass is not of great size, measuringa |  | | Report (issue) | | types are presented; podiform chromite, porphyry copper, porphyry molybdenum, skarn tungsten, mercury,...and intermediate volcanogenic sulfide, and skarn copper. for each table are listed separately at the end...and/or tonnages, are known to exist for porphyry copper deposits and for podiform chromite deposits and...be reported because they may not be economic to mine at the time they are explored. Balancing these...because mining concerns attempt to develop long-range mine plans now. It is also more common in recent years |  | | Journal (article/letter/editorial) | | produced the contactmetamorphismat Dolores and Cobriza leads to the hypothesisthat these solutionswere...superimposedupon the predominant a type in the Dolores mine, and the e type superimposed on the (b) c (d) type...an indication.that at the c period in the Dolores mine, the •olutions had becomepoor in metallic contents...wollastonite has been recorded from the Santa Fe mine, Chiapas, Mexico. It also occurs in the same relation...relation, as I have observed in the Cane Spring Mine, in Western Utah. Even platinum has been detectedby |
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Cobriza mine, Mantaro river, Huancavelica, Peru