 | | Journal (article/letter/editorial) | | Denver Show Figure I (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals...specimen. Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes;... C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs...photographs by John R. Muntyan PYRITE, IRON SULFIDE, one of Nature’s most common minerals, is found in deposits...foreign localities. In the United States, fine pyrite specimens have been found at Butte, Montana; Park |  | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...hrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver starting...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, USA e-mail: pbartos@mines | | | Journal (article/letter/editorial) | | Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...hrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver starting...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, USA e-mail: pbartos@mines |  | | Journal (article/letter/editorial) | | August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...Rhodochrosite has also been found in many localities in Colorado, particularly in the mines of the San luan Mountains...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix...significant amounts in many mining districts of the Colorado mineral belt, a large, elongated, highly mineraiized...extreme southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since |  | | Journal (article/letter/editorial) | | RHODOCHROSITE IN COLORADO By ROBERT D. ROOTS 3147 West 39th Avenue, Denver 11, Colorado It has been several...specimen in the supply on the market. And even longer Colorado State Museum in Denver. I since the fine cutting...have been to this spot three times and the Emma Mine at Butte, Montana, could while I have found other...of rhodochrosite been asked many times for good Colorado on the dump but a bad cave-in occurred specimens...specimens of crystallized rhodochrosite. in the mine and before it was finished it is still longer since they |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Journal (article/letter/editorial) | | but analysesH and -I from Ouray and Leadville, Colorado, fall in this zone. In the MnCO3-CaCO3seriesFords...7r365-36g(1917);fromtheJohnReed mine, Alicante, Lake County, Colorado, transparent crystals, r\r,:73o10... Geot., Ref. l, 481 (1936); from the Sikaribetu mine, Isikari, Japan, pale red rhombs with galena. G...Econ. Georogy,33,508-521 (193g);from the Brack Boy mine, Drum Mountains, Utah, banded pink rhodochrosite...HohkaiitoImp.[.]nia.,series4,4,3l34Sl(1939);fromthe Kaso mine, Japan, dense turbid rhodochrosite with SiOr, AlrO3 |  | | Journal (issue) | | publisher affiliated with the Friends of Mineralogy John S. White Division of Mineralogy The Smithsonian...Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................Mtn., GA. $10 to $35. Byssolite Needles, Va $3.00. John Speer, Dept. MR, 508 Allenby Road, ________ Anderson...had achieved considerable fame, and the right to mine diopside was obtained that year by G eorge L. English |  | | Journal (issue) | | of Mineralogy lv|ineralogical RccorcT publisher John S. White Smithsonian Institution (USPS 887-700)...Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A |  | | Report (issue) | | ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING, AND G. F. LOUGIILIN...High terrace gravel_ 15 Low terrace gravel_ _ 17 "Lake beds"_ 17 Character and distribu17 tion _ Deformation...Structure and distribution_ Toledo fault _ 88 56 011ie Reed pipe_ Iron-Mikado group_ 88 57 Josie pipe _ 89 Iron...anticline _ Origin of the Iron-Mikado fault 61 Colorado Prince anticline _ group _ 95 61 Mosquito Gulch...103 66 and Mike faults _ Iron Hill _ 103 66 Tucson mine _ Area between Iron and Adelaide faults_ _ _ Yak_ |  | | Report (issue) | | 5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin Zinn; photo Jeff...International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...Autrum-Mulzer, Brian Boyle, J. Broomfield, Frank Coffa, John Davey, Joe Dunbar Emmett Evanloff, Ellen Faller...Lapis International, LLC East Hampton, Connecticut USA Collection 'Alan Table of Contents What Is Gold...First Gold Rush: Gold Fever in the Southeastern USA . . . . . . . .P. 16 R. Chris Tacker California and |  | | Report (issue) | | Arrington Mine Carolina Slate 'Belt 25 27 2 Gold Hill Mine 28 Placer ~lXlsits 2 Howie Mine 29 !me...me Del"'sits 2 Reed Mine 31 S<>urces and Prtxluction 5 Silver Hill Mine 31 World Sources and...Production 5 Phoenix Mine 33 United States Sources and Production 5 Hoover Hill Mine 33 Mineralogy and...Gardner Hill Mine 33 Uses 7 Fentress Mine 34 Prices 8 Mining Methc:xis 9 Rudisil Mine 34 OJ:>en-Pit...OJ:>en-Pit Mining 9 St. Catherine Mine 35 Underground Mining 9 Capps Mine 35 9 Kings Mountain Belt |  | | Journal (issue) | | Pandaite • copper arsenic sulfide • Chinkuashih mine, Keelung, T aiw an • 4x5 $ 5 0 .0 0 , 2x3 $ 2...with the Friends of Mineralogy editor & publisher John S. W hite, Jr. Division of Mineralogy The Smithsonian.......................... 101 Personality Sketch— John S in k a n k a s .................................follow good examples than to be led along by rules. ■ John S. White, Jr. 99 Q. Byssolite— what is it? Dana...great sepcimens from Fairfield, Utah; M am m o th mine, Ariz.; Pala, Cal. tourmalines; magnificent epidotes |  | | Report (edition) | | Portis Mine 14 Other Mines 14 Carolina Slate Belt 15 Gold Hill Mine 20 Howie Mine 21 Reed Mine...Charlotte Belt 22 23 Rudisil Mine 23 Gardner Hill Mine 24 Fentress Mine 24 Other Mines 24 Kings...Mountain Mine Other Mines 25 25 25 South Mountain Belt 27 Mills Property 27 Sprouse Mine 27 Vein...Mountain Mine 29 Other Mines 29 Western Belt 29 Fontana Copper Mine 29 Ore Knob Mine 29 Boylston...Boylston Mine 30 Other Mines 31 Selected References 32 Index of Mines 34 Glossary 35 Illustrations |  | | Journal (article/letter/editorial) | | Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles County Museum of Natural History specimen...Pelt photo. MarcWApril: Beryl and calcite, La Pita mine, Maripi Boyacii, Columbia. Cal Graeber, Leonard...near Badger Creek, north of Coaldale, Fremont County, Colorado. Dave Bunk specimen, Jeff Scovil photo. July/August:...(Herkimer “diamonds’’), Treasure Mountain Diamond mine, near Little Falls, New York. Uli Bahmann specimen...SepteniberlOctober: Gold, Smuggler Union mine, Telluride district, Colorado. Colorado School of Mines Museum specimen |  | | Journal (issue) | | G. M . A llgood, R. W. A llgood & J. Pradenas Colorado Fam ous m ineral localities: Breckenridge, C olorado...Nugget," collected in 1865 at the Grit mine, El Dorado County, California, by Jules Fricot and donated...localities not mentioned in G old-I. . . Australia, Colorado and Appalachia, for example. It seems that we...photography by curator Carl Fran cis. Gold specialist John Barlow of Earth Resources checked his vault and...discussed in the Harper’s article. John Dysart, Manager of the Reed Gold Mine State Historic Site, sent much |  | | Report (issue) | | Bulletin 846 C THE CLIMAX MOLYBDENUM DEPOSIT COLORADO BY B. S. BUTLER and J. W. VANDERWILT WITH A..._222 27. A, Orthoclase replacing muscovite; B, Pyrite vein with topaz gangue _ _ _ _________________... THE CLIMAX MOLYBDENUM DEPOSIT, COLORADO By B. S. BUTLER and JOHN W. VANDERWILT ABSTRACT The largest...metal-mining operation in the history of mining in Colorado has been developed at Climax, as a result of the... using only one unit of the 2,000-ton mill. The mine has a reserve of broken ore sufficient to furnish |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | Osborne, O. D., Pring, A., Popelka-Filcoff, R. S., Bennett, J. W., Stopic, A., Glascock, M. D., Lenehan, C. E. (2012) Comparison of the relative comparator and k0 neutron activation analysis techniques for the determination of trace-element concentrations in pyrite. Mineralogical Magazine, 76 (5) 1229-1245 doi:10.1180/minmag.2012.076.5.04 | Journal (article/letter/editorial) | | determination of trace-element concentrations in pyrite O. D. OSBORNE1, A. PRING2, R. S. POPELKA-FILCOFF1...(MURR), University of Missouri, Columbia, Missouri, USA [Received 23 October 2011; Accepted 25 June 2012;...Associate Editor: Wilson Crichton] ABSTRACT Thirty pyrite samples from a wide range of localities were analysed...of Missouri Research Reactor, Columbia, Missouri, USA (MURR) and the Australian Nuclear Science and Technology...05 significance level. Trace-element analyses of pyrite from Navajún in Spain by both techniques compare |  | | Book | | Brazil (4.2 inches) B Tourmaline, Queen Mine, San Diego County, California (8 inches) C Garnet, hessonite... 10 Amazonstone and smoky quartz, Lake George, Park Co., Colorado (Coil family- Richard Kosnar collection}...Sirakian: page 16b Roger Titeux: pages 42b, 60c - John Saul: pages 20a, b, 22a. British Museum of Natural...and sapphires much used in jewelry. A Ruby, Saul Mine, Tsavo Park, Kenya (0.8 inch) 8 Ruby, Longido, Tanzania...mineral. A Garnet, almandine, Vesper Peak, Snohomich County, Washington. (0.6 inch) B Garnet, grossu/arite |  | | Journal (article/letter/editorial) | | NORTH CAROLINA'S UNTOUCHED RESOURCES IN CABARRUS COUNTY By KAY HARBISON, Tribune Staff Writer Downloaded...Cabarrus County. The first gold mining company in North America was organized in Cabarrus County. And, in...in Cabarrus County, once operated the mine which reportedly set the world record for gold nuggets as...period? Although the first gold find was in Cabarrus County, it is a safe bet that 99 per cent of the people...California. Majority of students have heard of Capt. John Sutter whose partner in a California sawmill venture |  | | Journal (article/letter/editorial) | | Peru; the Home Sweet Home mine, A l m a , Colorado; and the N'Chwaning mine, Kuruman, South Africa. These...not, Figure 1: Rhodochrosite from the N'Chwaning mine, Black Rock district, Hotazel, North Cape Province...of discoveries in Colorado, beginning with the superb finds at the John Reed mine, Alicanti, near Leadville..."gathering" of rhodochrosite from the N'Chwaning mine, South Africa, as seen at the 1981 show. Photo by...up to two inches across came to light at the John Reed mine, Colo rado was immediately established as |  | | Book | | .3 COLORADO. of COLORADO. J. S. l GEORGETOWN, COLO. GEORGETOWN COURIER PRINT. 1887. 3 Bancroft...From a mineralogical point of view the wealth of Colorado exceeds that of In the metallic minerals almost...to in the following pages Proceedings of the Colorado Scientific Society. Proceedings of the Academy...the U. S. Geological Survey. J. GEORGETOWN, COLORADO, January, 1887. S. RANDALL. : MINERALS...gravel of streams and in veins. The veins of Gilpin County are especially noteworthy for the amount of gold |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text |  | | Journal (issue) | | - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special supplement...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines...Thompson George Witters Martin Zinn III and Colorado in the :Mineralogical Record Supplement to The |
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