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| NOTESONCOMMUNICATIONS.4 NON-GENETICOFCOPPERPAULCL.4SSIFIC.4TIONDEPOSITSGILMOURINTRODUCTION...devisedfor depositsof othermetalsthancopper.PROPOSEDCLASSIFICATIONOFCOPPERDEPOSITSA classification...intermediatecomposition.Examples:The "porphyrycopper"depositsof the southwesternUnited Statesand of...depositsin brecciapipesat Cananaea,Mexico; E1Teniente (Braden),Chile.Group5. Massivesulfidedeposits,commonlyconcordant...Group 6. Disseminated,concordant,depositsofnative copper,chalcopyrite, chalcocite,bornite and pyrite |
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| century. The “ore giants” are dominated bygold andcopper (278 and 268 entries), followed by Mo (166), Ag...loose pieces of metals like gold, meteoric iron andcopper at the surface, goes backmere 9000 years in human...soon progressed to shallow depth, resulting in amine. The numbers of mines and intensity ofACCEPTED...colonialism, modern economic booms(Belich, 2009). Activemine numbers and sizes skyrocketed during two World Wars...rapidly growing number of mineral discoveries andmineestablishment was partly driven by the discovery |
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| https://archive.org/details/copperminingmana000OnaviCOPPERMININGMANAGEMENTTHOMASR. NAVINUniversity...Strategy at the CollegebutalsohastaughtMineof BusinessManagementattheCollege of Mines...textbook of cases, manyof them drawn from thecopper industry. A distinguished scholar in the field...Thomas R.Copper mining and management.Includes bibliographical references and index1.Copper industry...industry and trade — Management.2.Copper industry and trade — United States —History. I. Title,HD9539 |
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| color andcopper soil anomaly (U.S. Forest Servicephotograph).Geology of thePorphyryCopper Deposits...77-071575ISBN 0-89520-048-1PrefacePorphyrycopper deposits of the WesternHemisphere occur in clusters...genetic influence in the six dif-ferent porphyrycopperwestern hemisphere.provincesDeposit features...Evidence cited in this volume suggests thatporphyrycopper development is not hecessarily restricted to subduction...model, although exceptions (e.g., Ajo)a porphyrycopper. If the fault is the Benioffare known.zone |
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| CentralBy F. R. KoeberlinChurn-DrillToolsChileNew MachineryMarket and Financial News263265...chart of a year ago, also by Mr. Young,and thecopper chart of two years ago, by Mr. Wormser.These striking...the principal producer, with its important Idriamine,at Carniola, and properties in the Monte Amiata... the production coming chieflyfrom the Almadenmine. There is no open market forthe European production...—No. 222.A complete plant may be erected at themine, and nothing remains but for the operator to sell |
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| 5.11. Recommended Reading·/CHAPTER 6. NICKEL (-COPPER) SULFIDEDEPOSITS6.1. Introduction6.2. Distribution...PORPHYRY DEPOSITS8.1. Introduction8.2. PorphyryCopper Deposits8.3. Porphyry Molybdenum Deposits8.4...538538CHAPTER 12. SEDIMENT-HOSTED STRATIFORMCOPPER (SSC)DEPOSITS12.1. Introduction12.2. Distinguishing...the form of earthy hematite) or valuable (e.g.,native goldand gemstones) materials they contained at...disseminating the information, themine geologists andmine managers who have madethemine visits a rewarding experience |
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| percent of the world total for many substances (iron,copper, fertilizer chemicals, etc.), is becoming more...Conservation\Soils in the United States4AluminumCopperZincLeadManganeseMagnesiumChromiumCONTENTS...accessory sulfide mineral found in commonrocks.Native sulfur is common in hot-spring areas near volcanic...important for so1ne metal ore deposits such ascopper and molybdenum.The Bowen reaction series is important...is norite,which is commonly enriched in nickel,copper, and cobalt.11SEDIMENTARY ROCKSSyenites |