 | | Book | | n3 GEOLOGY OF THE PORPHYRY COPPER DEPOSITS Southwestern North America oe ‘ ” MohBy yy a i;... ¢ ¢ ¢ GEOLOGY OF THE PORPHYRY COPPER DEPOSITS Southwestern North America Edited by SINCE RoR EEL...research related to many of the problems of porphyry copper deposits. He is a fellow of the Geological Society...his undergraduate work at the Colorado School of Mines and earned the doctorate from the University of...Bureau of Mines. He arrived in Arizona in 1918, with a B. S. degree from the Missouri School of Mines. After |  | | Journal (article/letter/editorial) | | less regular and well defined in the " porphyry copper " deposits than in the vein deposits such as those...stability field lies between the K-feldspar and kaolinite fields. The K-mica field is approximately 1.5...wide, and its boundaries with K-feldspar and kaolinite are parallel below 500~ The boundaries slope toward...temperatures. Thus, considering the. K-feldspa~serlcite-kaolinite system of minerals, one might expect field patterns...patterns showing a central zone of kaolinite bordered by a zone of K-mica which in turn grades outward |  | | Journal (issue) | | HISTORY OF CLAYSTONES , GEN Fields or the WORLD , KAOLINITE , News AND COMMENTS , PUBLISHED BY THE MINERAL...FOOTE , WARREN M . Foote , Manager . 1224 - 26 - 28 NORTH FORTY - FIRST ST . PHILADELPHIA , PA , U . S . A...recoverable by the OCR engine. ODD FORMS OF QUARTZ FROM NORTH CAROLINA . Collection of A . C . BATES . MINERAL...Farm in the southeast section of Lincoln County, North Carolina, and is suggestive of the place where it...quartz and tourmaline, also from Lincoln County, North Carolina. The tourmalines are nearly uniform in |  | | Book (edition) | | series) Bibliography: p. 143 Includes index. 1. Mines and mineral resources. 2. Natural resources—United...mineral resources such as coal, oil, atomic energy, copper, iron, and fertilizers are not renewed each season...little use unless we have engines built of iron, copper, lead, zinc, and other metals. Farm lands will...require increased inputs of mineral resources. In North America the average yield of corn per thousand square...and electrical industries. (After U.S. Bureau of Mines.) FIG. 1-4 Per capita consumption of aluminum |  | | Book (edition) | | 345 References, 347 Index, 379 Orthomagmatic copper-nickel-iron (-platinoid) deposits associated with...particularly grateful to the many lecturers in North America and the UK who returned my questionnaire...by Professor Peter Scott of Camborne School of Mines in Cornwall, and Professor Ansel Dunham and Mr Michael...Exportateurs de Cuivre (Intergovernmental Council of Copper Exporting Countries) EEe FOB MEC OECD OPEC PGM... chalcopyrite and galena from which we extract copper and lead respectively, and many authors use this |  | | Journal (article/letter/editorial) | | CLAY ALTERATION IN COPPER DEPOSITS ASSOCIATED WITH GRANODIORITES by CHARLES MEYER University of California...K-rich biotite assemblage in numerous porphyry coppers as emphasized by Anderson, Gilluly, Creasey, and...and Rose. In Butte, and in some of the porphyry coppers, the assemblage is demonstrably earlier than the...emerged for argillic alteration, where illite, kaolinite, montmorillonite, and locally allophane and pyrophyllite...illite or montmorillonite to kaolinite, and (4) pyrophyllite to kaolinite. The encroachment of the sericitic |  | | Book | | percent of the world total for many substances (iron, copper, fertilizer chemicals, etc.), is becoming more...in the United States 4 Iron and Steel Aluminum Copper Zinc Lead Manganese Magnesium Chromium 95 98 102...important for so1ne metal ore deposits such as copper and molybdenum. The Bowen reaction series is important...is norite, which is commonly enriched in nickel, copper, and cobalt. 11 SEDIMENTARY ROCKS Syenites...or underground methods. If, as with uranium or copper, the ore minerals can be dissolved in place by |  | Imura, Takumi, Minami, Yusuke, Ohba, Tsukasa, Matsumoto, Akiko, Arribas, Antonio, Nakagawa, Mitsuhiro (2019) Hydrothermal Aluminum-Phosphate-Sulfates in Ash from the 2014 Hydrothermal Eruption at Ontake Volcano, Central Honshu, Japan. Minerals, 9 (8). 462pp. doi:10.3390/min9080462 | Journal (article/letter/editorial) | | composed of silica, pyrophyllite, alunite and kaolinite/dickite, plus APS, among other minerals. The discovery...alteration column comparable to that of porphyry copper systems globally. Keywords: aluminum-phosphate-sulfates;...comparable to the alteration zones in a porphyry copper alteration zones. Minami et al. (2016) [29] interpreted...equilibrium temperature of zones in a porphyry copper [50]. products Anotherreported study ona sulfur...as pyrophyllite, dickite or alunite, in porphyry copper systems of the Cajamarca region of northern Peru |  | | Journal (article/letter/editorial) | | distribution. For example, while the porphyry coppers are heavily concentrated in the late Phanerozoic...ore types such as epithermal veins or porphyry coppers undoubtedly con tributes to the scarcity of these...Sediments Lead-Zinc in Carbonates Mississippi Valley Copper in Clasti c Sediments Figure 1 Distribution...Dam-Type Carbonatltes Ilmenite-Anorthosite Porphyry Coppers Porphyry Mol ys TUllgsten DepOSits Tin Dep ositS...For personal use only. 2.5 These are ores of copper, zinc, and lead in massive iron sulfide lenses |  | | Book | | Allen & Unwin Australia Pty Ltd, 8 Napier Street, North Sydney, NSW 2060, Australia First published in 1983...on 12 point Melior by Computape (Pickering) Ltd, North Yorkshire and printed in Great Britain by Richard...::::'.- o I • Sweden ustra ,a • Denmark W . Germany • 2 • Austria • A New Zealand • • Switzerland...1949 1969 1978 100 .-+:::'. ~ C t) ,._ :J 0 North America 48300 42000 Middle East 332800 369600 ...of extraction techniques capable of dealing with copper ores averaging less than 1 % Cu opened up the possibility |  | | Journal (article/letter/editorial) | | F V O L A T I L E ELEMENT ANOMALIES AT PORPHYRY COPPER DEPOSITS, H I G H L A N D VALLEY, B.C., CANADA...Nature of volatile element anomalies at porphyry copper deposits, Highland Valley, B.C., Canada. Chem....the wall rocks of the Highland Valley porphyry copper deposits are investigated. Results indicate inconsistencies...envelopes. Boron anomalies are ammciatedwith porphyry copper deposits in which breccia pipes localize mineralization...extent of volatile element anomalies around porphyry copper deposits. Notable exceptions are the works of Gott |  | | Book | | precious native elements such as silver, gold and copper to complex silicates such as vesuvianite, first...01225 478440; sales@manning-partnership.co.uk North American agent/distributor: National Book Network;...formed from ancient tree sap. rich in the mineral kaolinite - was often used as a paint, and was still being...the basis of an ancient treasure, lapis lazuli. Copper and gold were first used at least 10,000 years...since Roman times. colour makes them easy to see. Copper and gold were both too soft to make tools from |  | | Book (edition) | | Platinum, 1+75 13. The Nonferrous Metals 481 Copper, 1+81; Lead and Zinc, 527; Tin, 51+6; Aluminum...increased 100-fold, of mineral fuels 75-fold, and of copper, 63-fold. Those countries abundantly supplied with...geology to mineral finding in districts of waning mines. His knowledge is sought also by the metallurgist...two parts: metalliferous deposits, such as gold, copper, iron, or nickel (Part II) ; and nonmetallic substances...time Neolithic man became acquainted with gold and copper, he also used nephrite, sillimanite, and turquois |  | | Book (edition) | | , ' . •, ,.• • t --•- """"" ' The Lornex copper-molybdenum mine and plant, Highland Valley, British...Bibliography: p. Includes index. I. Geology, Economic. 2. Mines and mineral resources. I. Bateman, Alan Mara, joint...many exploration geologists as there are in all of North America. The organization of the first two editions...corrected and updated the material on the Zambian Copper Belt. In addition, detailed critical reading of...ago, the rate of increase in the consumption of copper and iron was directly proportional to the increase |  | | Book | | been driven out". Arthur .Holmes, 1937. "Porphyry copper deposits are not found, they are made". Donald...concentrator medium. In most cases (as in the porphyry copper, stockwork molybdenum or tin cupola complexes)...Buddington (1959) in his classical paper on the North American granites, proposed a three-fold depth subdivision...possibly mobilization veins. The major porphyry copper deposits that have so far been recognized in three...Verde district; in the centre, Morococha and in the north, Michiquillay) straddle the intrusive contacts and |  | | Journal (article/letter/editorial) | | submarine formation of some Melanesian porphyry copper deposits" stable isotope evidence Allan R. Chivas...sericites and kaolinites from four young porphyry copper deposits (Ok Tedi (1.2 Ma) and Yandera (6.5 Ma)...the stable isotope systematics of p o r p h y r y copper deposits have d e m o n strated that the h y d...situation applies to the P a n g u n a p o r p h y r y copper deposit o n Bougainville Island, although stable...present study of M e l a n e s i a n p o r p h y r y copper deposits we investi- 327 gate the evidence for |  | | Journal (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim...Fourteen, Number Five ARIZONA- V Articles Lost mines of Arizona .......................................Affiliated with the Friends of Mineralogy COVER: COPPER from the Ray mine, Arizona. The specimen is 3 inches...was the winner of the Best Copper Cabinet Specimen and Best Arizona Copper at the 1977 Tucson Show. Evan...(and last) in our series of special issues on the mines and minerals of Arizona. During the years before |  | | Journal (article/letter/editorial) | | specificgravity is given for the fresh rock. In "porphyry"coppers thisis normallyhigherthanthe ore and if soat Ajo...changefrom supergene processessave an enrichmentof copper. The abundantpertinentdata on veinswill not be...group Chlorite group Epidote group Garnet group Kaolinite SiO• % 00.0 4-37.1 00.0 4-28.5 4-37.8 4-36.4...nearly conclusivein the caseof the "porphyry" coppers,sincein the rock fabric the distance between blocks...commonlybrecciated.This is taught by experiencewith wet mines. (2) The basictype of alterationis characterized |  | | Book | | practical dug mines to get at them underground. geological skill as they Copper and gold were first...the first great unconformities (see Reading the Copper and gold were both too soft to geology book, De...by Hutton’s ideas, more tin could be added to copper to make The rock hunters Below: None of these...places, including the Tethys Seaway. South-western North America was flooded by the Sundance Sea. Cretaceous...Present day Over the last 50 million years, the North Atlantic has opened up to separate Europe and America |  | | Journal (article/letter/editorial) | | niversity Mainz, D-55099 Mainz, Becherweg 21, Germany a r t i c l e i n f o Article history: Received... . . . . . . . . . . . . . . . . . . . . . . . Copper . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . 11.2. Magmatic copper deposits . . . . . . . . . . . . . . . . . . ....Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . . 11.4. Sedimentary copper deposits... . . . . . . . . . . . . . . . . . . . . 11.5. Copper supply and use. . . . . . . . . . . . . . . . | | | Journal (article/letter/editorial) | | niversity Mainz, D-55099 Mainz, Becherweg 21, Germany a r t i c l e i n f o Article history: Received... . . . . . . . . . . . . . . . . . . . . . . . Copper . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . 11.2. Magmatic copper deposits . . . . . . . . . . . . . . . . . . ....Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . . 11.4. Sedimentary copper deposits... . . . . . . . . . . . . . . . . . . . . 11.5. Copper supply and use. . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | 97–106, 2001 Mineral Paragenesis of the Lepanto Copper and Gold and the Victoria Gold Deposits, Mankayan...ore and gangue minerals of the Lepanto epithermal copper-gold deposit and the Victoria gold deposit, Mankayan...discussed. The principal ore minerals of the Lepanto copper-gold deposit are enargite and luzonite, with significant...propylitic zone. The ore mineralogy of the Lepanto copper-gold deposit suggests high fS2 in the early stages...both ore and alteration minerals of the Lepanto copper-gold deposit and the Victoria epithermal gold deposit |  | | Book | | trip with Ernest Wright (Phelps Dodge Mining Co., Copper Queen Branch) and Donald Bryant (Denver, Colorado)...will take us to outcrops of the Jurassic porphyry copper deposit and associated base- and precious-metal-bearing...precious-metal-bearing manto deposits and supergene-enriched copper deposits throughout the district (see maps on pages...Arizona 85737 Ernest Wright Phelps Dodge Mining Co., Copper Queen Branch, 36 West Highway 92, Bisbee, Arizona...near-surface ores were produced until the 1890s when copper sulfide minerals were found within the deeper levels |  | | Report (issue) | | trip with Ernest Wright (Phelps Dodge Mining Co., Copper Queen Branch) and Donald Bryant (Denver, Colorado)...will take us to outcrops of the Jurassic porphyry copper deposit and associated base- and precious-metal-bearing...precious-metal-bearing manto deposits and supergene-enriched copper deposits throughout the district (see maps on pages...Arizona 85737 Ernest Wright Phelps Dodge Mining Co., Copper Queen Branch, 36 West Highway 92, Bisbee, Arizona...near-surface ores were produced until the 1890s when copper sulfide minerals were found within the deeper levels |  | | Book | | Turkey, Cyprus, Israel, Jordan, Egypt, Tunisia, North America, and China. Many of these found their way...Turkey, Cyprus, Israel, Egypt, Tunisia, China, and North America. The word “lithology” appears in boldface.... . . . . . . . . . . . . . . . 152 7.4 Native Copper (Cu) . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . 154 7.5 Other Copper Minerals . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . 158 7.5.1 The Copper Ore Minerals . . . . . . . . . . . . . . . . . |
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