 | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and museum collections the world over. Its mineral wealth is well represented at the Mines Museum of...wide array of habits and mineral associations. Also recovered from the mine was an abundance of fine...fine, wellcrystallized baryte, galena, sphalerite, and quartz variety amethyst. Table of Contents 2 Introduc�on | | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and museum collections the world over. Its mineral wealth is well represented at the Mines Museum of...wide array of habits and mineral associations. Also recovered from the mine was an abundance of fine...fine, wellcrystallized baryte, galena, sphalerite, and quartz variety amethyst. Table of Contents 2 Introduc�on |  | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and museum collections the world over. Its mineral wealth is well represented at the Mines Museum of...wide array of habits and mineral associations. Also recovered from the mine was an abundance of fine...fine, wellcrystallized baryte, galena, sphalerite, and quartz variety amethyst. Table of Contents 2 Introduc�on | | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and museum collections the world over. Its mineral wealth is well represented at the Mines Museum of...wide array of habits and mineral associations. Also recovered from the mine was an abundance of fine...fine, wellcrystallized baryte, galena, sphalerite, and quartz variety amethyst. Table of Contents 2 Introduc�on |  | | Journal (article/letter/editorial) | | 2014 Creede The last Wild West Silver Mining Camp in Colorado T he Creede mining district, located...and rugged San Juan Mountains of southwestern Colorado. Although silver was discovered in the area in...cause much excitement until 1889 when Nicholas C. Creede and his two partners found rich silver ore near...Amethyst, Last Chance, Commodore, and Bachelor. The mining encampment grew from a small settlement to a town...gravitated to mining boom towns. In 1890 the settlement was unofficially named Creede (Mumey 1949) in |  | | Report (volume) | | 718 GEOLOGY AND ORE DEPOSITS OF THE ' CREEDE DISTRICT, COLORADO BY WILLIAM H. EMMONS AND ESPER S. LARSEN................................................. Mining and treatment of ores......................................................................... Solomon mill........................................................................................... Creede formation........................................58 58 59 59 59 59 59 60 CONTENTS. Chapter V. Creede formation..................................... |  | | Journal (article/letter/editorial) | | S OF C R E E D E , M I N E R A L C O U N T Y , COLORADO By ARTHUR E. SMITH, JR. 91 18 Concho, Houston...written in recent years on the mineral and rock collecting at Creede. This region has much to offer the...collectors make Creede a stopping point for their Color ado vacations. The region around Creede is said to...mines where the prin cipal collecting is for mineral specimens though some lapidary materials such as...turquoise have been collected. Many who collect at the Creede Mines do not know what minerals to look for and |  | | Report (issue) | | Control of Ore Deposition in the Creede District San Juan Mountains Colorado GEOLOGICAL SURVEY PROFESSIONAL...487 Prepared in cooperation with the Colorado State Metal Mining Fund Board Geology and Structural Control...Control of Ore Deposition in the Creede District San Juan Mountains Colorado , By THOMAS A. STEVEN and JAMES...487 ·Prepared in cooperation with the Colorado State Metal Mining Fund Board UNITED STATES GOVERNMENT...Fisher Quartz La ti te ___________________________ _ Creede Formation _____________________________ _ Surficial |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY The Creede, Colorado Ore-Forming System: A Summary Model by Philip...geochronology, and wallrock alteration in the Creede mining district, Colorado and of studies of the evolution of...still qualitative and still evolving, model of the Creede hydrothermal system. Ores were deposited from a...discovered mineralization in the northern end of the district. The system was dominated by two fortuitiously...evaporation in a playa lake in the moat of the Creede caldera and later diagenesis. Much of the ore lead |  | Foley, Nora K., Caddey, Stanton W., Byington, Craig B., Vardiman, David M. (1993) Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado. Professional Paper 1537. US Geological Survey doi:10.3133/pp1537 | Report (issue) | | Mineralogy, Mineral Chemistry, and Paragenesis of Gold, Silver, and Base-Metal Ores of the North Amethyst...Amethyst Vein System, Sari Juan Mountains, Mineral County, Colorado U.S. GEOLOGICAL SURVEY PROFESSIONAL...Alaska-Rm. 101, 4230 University Dr. • LAKEWOOD, Colorado-Federal Center, Bldg. 810 • MENLO PARK, California-Bldg...SPACE CENTER, Mississippi-Bldg. 3101 Mineralogy, Mineral Chemistry, and Paragenesis of Gold, Silver, and...Amethyst Vein System, San Juan Mountains, Mineral County, Colorado By NORA K. FOLEY, STANTON W. CADDEY, CRAIG |  | | Report (issue) | | AND MINING WASTES NOTES FROM A WORKSHOP PRESENTED AT THE INTERNATIONAL LAND RECLAMATION AND MINE DRAINAGE... Predicting Water Contamination from Metal Mines and Mining Wastes O^ggg^C. Kathleen S. Smith, Ph.D. Geoffrey...80225 Workshop 2 International Land Reclamation and Mine Drainage Conference and the Third International... Predicting Water Contamination from Metal Mines and Mining Wastes FOREWORD This report contains copies of...presented at the International Land Reclamation and Mine Drainage Conference and the Third International |  | | Report (volume) | | Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado GEOLOGICAL SURVEY --*_-...Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado By C. T. PIERSON, W. F. WEEKS...radioactivity in the metal-mining districts of the San Juan Mountains, Colorado, by C. T. Pierson, W. F..._______________ CeboUa district..______________________________ Upper Uncompahgre district. ______ _________________________...Uranium occurrences___________ ________ __ Bonanza district..____________________ ___________________ General |  | | Report (issue) | | Oxidized Zinc Deposits of the United States Part 3. Colorado By ALLEN V. HEYL GEOLOGICAL SURVEY BULLETIN...deposits and the resources of oxidized zin.c ores in Colorado UNITED STATES· GOVERNMENT PRINTING OFFICE, WASHINGTON...19180xidized zinc deposits of the United States. Part 3. Colorado. Washington, U.S. Govt. Print. Off., 1964. vi...Bibliography : p. 88-91. 1. Zinc ores-Colorado. 2. Zinc mines and mining-Colorado. I. Title. (Series) For sale...__ ___ __ __ __ __ __ _____ Kokomo (Ten ~ile) district _______ ._________________________ Breckenridge |  | | 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...American Rift (Colorado-New Mexico). Bibliography: p. Includes index. 1. Mines and mineral resources—Colorado...resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna B. II. Title. III. Title: Great...possible steps should be taken to preserve our mineral heritage, whether in physical form as irreplaceable |  | | Journal (article/letter/editorial) | | Six-ComponentChlorite SolidSolutionModel J. L. WALSHEAND M. SOLOMON Department of Geology,Universityof Tasmania,G....ningminorsiderite-hematite-magnetite, barite,sphalerite, apatite,and monaziteand more rarely inclusions...composition of the chloritefrom the OH vein,Creede, Colorado,and estimatesof the oxidationstateand temperatureduring...conditionsduring mineralization. West of the Comstockmine the mine sequenceis overlainby unmineralizedvolcanics and...probablyprecededby tilting and erosionof part of the mine sequenceand postmineralizationvolcanics.ThoughDevonianfaulting |  | | Journal (article/letter/editorial) | | JR.,PHILIP M. BETHKE,ANDEDWINt•OEDDER Abstract Mineral assemblages involving pyrite, hematite, chlorite...chlorite, quartz, K-feldspar, sericite, sphalerite,galena,and chalcopyrite are interpretedwith the aid of data...modelfor ore depositionhas importantimplications for mineral exploration. Mineralshavingretrograde solubilities...of the Creedemining district. The ore depositsand the detailedgeologyof the district have been described...vein, one of the importantproducingveinsin the district,togetherwith evidencefrom fluid inclusionstrappedin |  | | Journal (article/letter/editorial) | | Darwin,Queensland, 5794,Australia M. SOLOMON, Bureauof Mineral Resources,G.P.O. Box378, Canberra,A.C...dominantly quartzwith minorpyrite,tellurides,gold,sphalerite,arsenopyrite,chalcopyrite,tetrahedrite, galena...fluctuatingfluid conditions.The first of the two ore mineral stagesis dominatedby calaverite,krennerite,sylvanitc...0361-0128/87/653/345-2652.50 345 346 AHMAD, SOLOMON, AND WALSHE FIG. 1. The geologyof the Vatukoulaarea...steepdips (usuallymore than 80ø). In the Emperor mine area, the majority of the steeplodesare associated |  | | Journal (article/letter/editorial) | | the Te–bearing Arinem mineralization, based on mineral associations and the likely origin of hydrothermal... Figure 2. (A) Regional geological map of the Arinem district and its surroundings, and (B) geological and structural...on structure and mineral paragenesis, followed by a supergene stage. Distinct mineral assemblages are...the purposes of further interpretation, detailed mineral paragenetic sequences are presented below. Figure...bars correspond to the relative abundance of each mineral (Revised after Yuningsih et al., 2012). Figure |  | | Report (issue) | | organization is carrying on for the direct advancement of mining interests throughout the country than can readily...two parts, the second part comprising papers on mineral fuels. These volumes for 1906, 1907, 1908, 1909...GOLD LODES OF THE CARRVILLE DIS TRICT, TRINITY COUNTY, CALIFORNIA. By DONALD FRANCIS MACDONALD. INTRODUCTION...writer spent 10 days in the Carrville district, Trinity County, Cal., and, incidental to other work,... gathered some data on its mining geology. A paper on the gold gravels x was pub lished, but baggage |  | | Report (chapter) | | Geological Survey 963 Denver Federal Center Denver, Colorado 80225 INTRODUCTION Stable isotope studies of sulfate...important information to investigations of energy and mineral resources, environmental geochemistry, paleoclimates...relative to monosulfide minerals (e.g. pyrrhotite, sphalerite, galena) (Sakai 1968, Bachinski 1969). The kinetics...with sulfur at the same oxidation state, such as sphalerite, and galena, are such that equilibrium is commonly...geothermometry to geothermal systems and hydrothermal mineral deposits. In general, equilibrium prevails at low |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | Journal (article/letter/editorial) | | Shropshire Orefield: evidence from fluid inclusions, sphalerite chemistry, and sulphur isotopic ratios R. A....the mineralizing episode. Three generations of sphalerite are recognized, the second being chemically zoned...sequence of growth zones and their chemistry a sphalerite stratigraphy can be recognized within the orefield...fluids rose into an open plumbing system where mineral precipitation was mainly controlled by fluid cooling...inclusions Sulphur isotopes Sphalerite stratigraphy Indium-rich sphalerite 1 . INTRODUCTION The geology |  | | Journal (article/letter/editorial) | | characterised by elevated Zn contents, and a hydrothermal mineral assemblage in which galena is locally an important...important component and barite is a common gangue mineral, features which place it apart from other Cyprus-type...zones. The sulphide assemblage is dominated by sphalerite together with ubiquitous pyrite; however, both...important; quartz and barite comprise the gangue-mineral assemblage. Red jasper is spatially associated...still visible; however, no mining was carried out. Subsequently, Hellenic Mining Company Ltd (HMC) explored |  | | Report (volume) | | Mineral Deposit • • u.s. . ' Models ' GEOLOGICA'L 'SURVEY BULLETIN 1693 I AVAILABILITY OF...Rm G-84 DENVER, Colorado--Federal Bldg., Rm. 169, 1961 Stout St. LAKEWOOD, Colorado-- Federal Center...Alaska--New Federal Buildmg, Twelfth Ave. 101 • Mineral Deposit Models DENNIS P. COX and DON.ALD A. SINGER...Library of Congress Cataloging-in-Publication Data Mineral deposit models (U.S. Geological Survey Bulletin...1693} Bibliography 1. Ore Deposits. 2. Mines and mineral resources. I. Cox, Dennis P. II. Singer, Donald |  | | Journal (article/letter/editorial) | | 1983, VOL. 47, PP. 427 35 Chemical behaviour of sphalerite and arsenopyrite in hydrothermal and metamorphic...measurement of the hot springs. Heterogeneities in sphalerite in these deposits do not necessarily represent...in as2. Diagrams of log as2 vs. 1000/T,K for sphalerite and arsenopyrite are useful for estimating temperature...demonstrated and the systems are properly buffered. The sphalerite geobarometer has had wide applications, some...ores in which chalcopyrite is in contact with sphalerite). Compositions of sphalerites which are totally |
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