 | | 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...illite, kaolinite, montmorillonite, and locally allophane and pyrophyllite are prominent phases. Probably |  | | Journal (article/letter/editorial) | | less regular and well defined in the " porphyry copper " deposits than in the vein deposits such as those...in the porphyries t h a t contain disseminated copper deposits. Veinlets of saeeharoidal quartz or quartz...(Anderson, 1950), and in m a n y other " porphyry coppers." Narrow quartz veinlets which contain little or...addition to the molybdenite. I n a few areas in the north-central part of the district, pyrite is the most...ve~nlets are also very common in the porphyry coppers. As at Butte, the quartz-molybdenite veinlets m |  | | Catalog/List | | Batters Engine-house at West Chiverton, to the north ot Truro. (Sanu ^IVeffeKjS/linerafs SPRING 1989...interesting than aesthetic! 5x2-Jx1-J", £8.50. ALLOPHANE/LINARITE. Maid of Sunshine Mine,Cochise Co..Arizona...rear. 5ix2^xli", £100.00. 31 AZURITE. Tynaugh Copper Mine,Co.Galway,Eire. Very lustrous.rich infill...1£x1£x1", £15-00. 33. AZURITE/MALACHITE. Tynaugh Copper Mine,Co.Galloway,Eire. Bright,royal blue,vuggy...Westmoreland. A little damage on this venerable North British Classic,but still worthy of cabinet display |  | | Book | | include other valuable minerals such as silver, copper, and platinum. Native elements also occur as semimetals... In bornite (Cu5FeS4), there are five atoms of copper (Cu), one atom of iron (Fe), and four atoms of...untarnished metallic surface such as gold, silver, copper, or steel. These materials are opaque to light;...be scratched by the fingernail calcite 3 ~3.2 copper penny fluorite 4 apatite 5 ~5.1 scratched...scratched with a knife and just scratched with a copper coin very easily scratched with a knife but not |  | | Journal (issue) | | Werner Lieber Heidelberg, West Germany Olaf Medenbach Bochum, Germany Eric Offermann Arlesheim, Switzerland...Dick traces the discovery and identification of Copper Queen mine connellite (misidentified as footeite...collectors. The Mineralogical Record, May— June, 1980 Copper from the Ray mine (5, 5, 233), by Wendell E. Wilson...Wilson. A description of new, large crystals of copper to 5 inches long from the Ray mine. Graemite, a...mineral graemite, from the Cole shaft at Bisbee. Ray coppers again (6 , 7, 40), by William Panczner. A follow-up |  | | 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 (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 |  | | 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) | | INTRODUCTION THE E1 Teniente Mine of the Braden Copper Company is on the western flank of the Andean ...tonsof ore averaging approximatelytwo percentof copper. To the economicgeologist,the Braden orebodypresentsa...capitalof Chile (Fig. 1). Operations of the Braden Copper Companyare dispersedthroughoutmuch of the Rio Cachapoalwatershed...very little ore containedmore than 4 percent of copper,it soonbecameapparentthat successful exploitationof...closeof the Mesozoicwith the LaramideOrogenyin North America. Exceptfor intrusiverocks,all bedrockin |  | | Catalog/List | | 2x1i" ,t:R •.50" .'ZURITE/MtLf,CHITF.. Chessey des Mines,N:c.LyonsFrA.nce. Sp~rl...---------------- ··-- 6. 68. NATIVE COPPER ('Paper Copper•). Ghost Groft Hina,i-lullion,Lizard,Cornwall...surface,would 7x7 11 ,~12.50. clean. NATIVE COPPER/BORNI'I'E. Cape Corn\iall Mine,St"Just,W"Cornwall...version o! 1 Å 1 .2x1i",~1.00 72. CUPRITE. Ray Copper Mine,Pinal xtl 73. developments matrix~ 1 ...on Quartz/Arscnopyrite o 75. CUPRITE/NATIVE COPPER, Ca.radon, Eo Cor:nweJ __ :-;," Still sadly not |  | | Journal (issue) | | spec tacular beauty of fluorescent effects. The north balcony became the site of the Mineral Hall. It...visited localities in Virginia; in 1934 he went to North Carolina and Arkansas; in 1939 he made a month’s...he managed to collect a fine series of the rarer copper sulfates and other unusual minerals common to the...perseverance, he found his way to more than a hundred mines and prospects. He shipped back to the Academy no...unstable com pounds formed in burning parts of the mines at Chuqui camata. With his usual resourcefulness |  | | 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 |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | VIII Preface and Outlook visited innumerable mines and was an indefatigable collector of ores and minerals...creation are (l).the complexity of most porphyry copper intrusions; (2) the fact that, almost always, only...Phenomena of Terrigenous Minerals by Sulphides in Copper-Bearing Permian Sandstones in Poland M. Banas,.... . . . . . . . . . 3 Problems of Genesis of Copper Sandstones of Central Europe Yu.V. Bogdanov and...308 Laramide Igneous Rocks and Related Porphyry Copper Occurrences of Southwest Romania K.A. Gunnesch |  | Amstutz, G. C., Goresy, A. EI, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis - The State of the Art - A Volume in Honour of Professor Paul Ramdohr on the Occasion of His 90th Birthday With Special Reference to His Main Scientific Interests - Special Publication of the Society for Geology Applied to Mineral Deposits No. 2. Springer Berlin Heidelberg. | Book | | VIII Preface and Outlook visited innumerable mines and was an indefatigable collector of ores and minerals...creation are (l).the complexity of most porphyry copper intrusions; (2) the fact that, almost always, only...Phenomena of Terrigenous Minerals by Sulphides in Copper-Bearing Permian Sandstones in Poland M. Banas,.... . . . . . . . . . 3 Problems of Genesis of Copper Sandstones of Central Europe Yu.V. Bogdanov and...308 Laramide Igneous Rocks and Related Porphyry Copper Occurrences of Southwest Romania K.A. Gunnesch |  | | Journal (issue) | | Werner Lieber Heidelberg, West Germany Olaf Medenbach Bochum, Germany Eric Offermann Arlesheim, Switzerland...Though most famous for azurite, malachite and other copper minerals, Bisbee has produced more than 200 different...Mineralogical Record, September— October, 1981 Copper was by far the most important metal; however, zinc...Metal production through 1975 is listed below for copper, zinc, lead, silver, gold (Stanley Keith, personal...personal communication) and manganese (Mills, 1956). Copper Zinc Lead 7.7 billion pounds 355 million pounds |  | | Journal (issue) | | Treasures Issue! $15 Wayne & Dona Leicht, 875 North Pacific Coast Highway, Laguna Beach, CA 92651 (949)...$190 for one year. *Continued on p. 258 COVER: COPPER, 8.3 cm, from the Central mine, Keweenaw County...Michigan—considered by some to be the world’s finest copper specimen. It was part of the Donald C. Gabriel...Mountain, Alaska, by hardy prospectors looking for copper in the early 1900s. The epidote specimens occur...not only large amounts of gold, molybdenum and copper but also more than 90 different mineral species |  | | Book | | has driven out". Arthur Holmes, 1937. "Porphyry copper deposits are made". 1976. Donald K. Mustard, are...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 |  | | 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 |  | | Journal (issue) | | published during this coming year will be, we Germany, and Richard Gaines of the U.S. We hope to hope...Pennsylvania. The mine was opened in 1732 and worked for copper. In 1852 the presence of nickel was discovered...the Gap mine was the only producer of nickel in North America. In 1877, annual production was estimated...tons of ore, show ing from 1.10 to 2.26 percent copper and 1.53 to 4.23 per cent combined nickel and...under Professor Victor Goldschmidt at Heidelberg, Germany. This man was the most noted morphological crystallographer |  | | Book | | A substantial proportion of the output of the mines, quarries, raw state or in the form of manufactures...Chile is vitally concerned in the well-being of the mines that directly or indirectly furnish his sustenance...Pittsburgh or the Ruhr tend to overshadow the coal mines that lie below and around them and give reason for...sold in competition with the products of other mines. Economic and even political factors may play as...Engineers, Canadian Department of Mines to further PREFACE vii (Mines Branch and Geological Survey) |  | | Journal (volume) | | ancient times, rose quartz was imported to Rome from mines in India, Sri Lanka and the Ural Mountains of Russia...deposits of rose quartz can also be found in parts of Germany, Italy, Ireland and Scotland. History Many ancient...are found in the valley of the lrawaddy River, north of the country's capital , Rangoon . Sri Lanka is...necessary to delve deep down into the Earth - in mines, wells or tunnels. Artificial substances that have...the ruby that is laboriously extracted from the mines in Thailand is a true mineral. But the ruby that |  | | 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 (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 |  | | Book | | A Range Guide to MINES and MINERALS " How and Where A ,-A 1 to Find Valuable Ores and Minerals...”— “Practical Virginia Kirkus RANGE GUIDE TO MINES AND MINERALS A by Jay Ellis Did you know that...generally absent. He tells where major existing mines are United States— from gopher size the in the...org/details/rangeguidetomineOOrans A Range Guide to Mines and Minerals Other Books by Jay FOSSILS IN Ellis...TRAILS PETRIFIED FOREST TRAILS A Range Guide to Mines and Minerals HOW AND WHERE TO FIND VALUABLE ORES |
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