 | | Journal (article/letter/editorial) | | Microminerals in the Creede Mining District The Amethyst, Commodore No. 5 Mineral County, Colorado Unless otherwise...his collection & Bulldog Mountain Mines C reede is located in southwestern Colorado on the edge of the...in the Creede district was at the Holy Moses mine high above East Willow Creek, but the district did not...West Willow Creek approximately 1.5 miles north of Creede. The Commodore No. 5 ore bins are the first structures...Commodore mine perched on the mountainside. The Amethyst mine is north of the Commodore mine, and most |  | | Journal (article/letter/editorial) | | Zoningof the BulldogMountainVein System,Creede District, Colorado GEOFFREY S. PLUMI U.S.GeologicalSurvey... The BulldogMountainveinsystem,Creededistrict,Colorado,isoneof fourmajorepithermal vein systems fromwhichthe...eralizationstageshave been identifiedalongthe Bulldog Mountainveinsystem,eachwith a characteristic suiteof...ngpatternsacross the central and southern Creede district. The complexvariationsin mineralassemblages...systems(Amethyst,Bulldog Mountain,OH; seefig. 1, FoleyandAyuso,1994) in the Creede district from which the |  | 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 |  | Bethke, P. M., Rye, R. O. (1979) Environment of ore deposition in the Creede mining district, San Juan Mountains, Colorado; Part IV, Source of fluids, from oxygen, hydrogen, and carbon isotope studies. Economic Geology, 74 (8) 1832-1851 doi:10.2113/gsecongeo.74.8.1832 | Journal (article/letter/editorial) | | Ore Depositionin the CreedeMining District, SanJuan Mountains,Colorado' Part IV. Sourceof Fluids from Oxygen...the nearsurface silver-basemetal vein depositsat Creede was measuredby direct analysis of inclusionfluidsin...(number of determinationsgiven in parentheses): Mineral Sphalerite Quartz Illire aDn2o %o -81 to -54 (4)...interstitial waters in the moat surroundingthe Creede caldera. begunin an effortto establish the sources...This studywas Introduction 1832 CREEDEMINING DISTRICT: PART IV 1833 mostof thevein-filling history |  | | Journal (article/letter/editorial) | | Photographs January/February: Chalcopyrite on quartz, La Mine de Giraud, La Gardette, Bourg d’Oisan, Isère, France...Herkimer Diamond Mines, Inc., New port, Herkimer County, New York. Jeffrey B. Fast specimen and photo....cleavelandite, 49er Pocket, Oceanview mine, Pala district, San Diego County, California. Bill Larson specimen...photo. September/October: Gold, Mockingbird mine, Mariposa County, California. Collector’s Edge Minerals,...Crossroads, Wilkes County, Georgia. Lisa Bennett specimen, Jeff Scovil photo. A Acanthite, Colorado, 442; Utah |  | | Report (issue) | | Barite BaSO4 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Orthorhombic. Point Group:...Czech Republic. (2) BaSO4 . Polymorphism & Series: Mineral Group: (1) 34.21 0.05 65.35 (2) 34.30 65.70 ...celestine. Barite group. Occurrence: A gangue mineral in low-temperature hydrothermal veins; in residual...weathered barite-bearing limestones; an accessory mineral in igneous rocks; in carbonatites; a primary component...gypsum, sphalerite, galena, stibnite. Distribution: The most common barium mineral; many localities, even |  | | Report (issue) | | Fluid-inclusion data on samples from Creede, Colorado, in relation to mineral paragenesis By Terri L. Woods... Previous fluid-inclusion work on samples from Creede -- 6 Nature and limitations of the fluid-inclusion...rhodochrosite, quartz, and sphalerite from Creede, Colorado -- 30 Fluid-inclusion data for quartz from...Figure 1. Map showing location of the Creede mining district and extent of the San Juan volcanic field...relation of the Creede mining district to the La Garita, Bachelor, San Luis, and Creede calderas. 61 |  | | Journal (article/letter/editorial) | | of Ore Deposition in the Creede Mining District, San Juan Mountains, Colorado: Part VI. Maximum Duration...silver-lead-zinc deposit in the OH vein at Creede, Colorado. Two initial textures are considered: growth-banded...productive epithermal deposit, the OH vein at Creede, Colorado. For more than half a century, D.E. White...datable events (e.g., Henry et al., 1997, for Round Mountain, NV; Marsh et al., 1997, for the porphyry copper...sphalerite. Geologic Setting of the Creede Ore Deposit The Creede mining district is located near the center of |  | | 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.......................................................................... Creede formation............................................................................ Campbell Mountain rhyolite........................................Comparison with Campbell Mountain rhyolite...................... 40 Mammoth Mountain rhyolite............ |  | | Journal (article/letter/editorial) | | IN THREE LOW-SULFIDATION EPITHERMAL DEPOSITS: A MINERAL STRATIGRAPHY AND FLUID-INCLUSION APPROACH JACQUES...“adularia” and sparse sulfides. Within this Mn mineral zone, each sequence begins with the deposition...rhodochrosite revealed in each sequence of the Mn mineral zone could result in a temperature drop in relation...sequence, such as in the Bulldog Mountain vein system, Creede District, Colorado (Plumlee & WhitehouseVeaux...sulfide deposition. In the Cavnic mine, in the Baia Mare mining district, northern Romania, they crystallized |  | | 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 |  | | 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) | | deposition andemplacement of the host rock, size of the district,temperaturesof mineraldeposition,chemicalcomposition...type(Goldfield,Nevada)andtheadulariasericitetype (Creede,Colorado;RoundMountain,Nevada).Bothtypeshavegold-richand...ivided into Two Types,with SelectedReferences District Selected references Acid-sulfatetype Ransome(1901)...Adularia-sericitetype LakeCity I, CO• Colqui,Peru2 Eureka, COs Creede, CO Irving andBancroft(1911) Slack (1980) Petersenand...ositsis illustrated by thePrideof theWestmine,Colorado,a gold-rich, dominantlyvolcanic-hosted vein systemthat |  | | Report (issue) | | Scalemodelecaltydomessery Clay, GRISEMSMS wate Gn GOaNe MininG Districts vce oh with RApIAL ae TE ee PRE...Detwieccnmpasinsmancialip hits mamryt cetera MINING DISTRICTS, ASSOCIATED WITH CA NTICEINES eerie...0000eeceescececscdbeen structural map, or Rico; Colorado, .district: . ..+.5. ssw Fea ive Res five voles ow...cureieunertiae ote teers 12 Plan. and section of Sunlight district, Wyoming, 16 4, tires sheik aes ........02+2...Mexico Aenea SmmSCLUCLUTAlEMaprOrsOllyentons district ColoLadoum Ole Generalusectionsthroupheoilyentonidistricte |  | | Journal (article/letter/editorial) | | JR.,PHILIP M. BETHKE,ANDEDWINt•OEDDER Abstract Mineral assemblages involving pyrite, hematite, chlorite...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...variousvein systems,their inter-relationships, and their mineral assemblages will be coveredin later (1975), describes |  | | Report (issue) | | Preliminary compilation of descriptive geoenvironmental mineral deposit models Edward A. du Bray1 , Editor Open-File...Government. 'Denver, Colorado 1995 CONTENTS Geoenvironmental models of mineral deposits-fundamentals...... 10 Geophysical methods in exploration and mineral environmental investigations, by D.B. Hoover, D............................................. 145 Creede, Comstock and Sado epithermal vein deposits, by...D. Kleinkopf ............................. 199 Stibnite-quartz deposits, by R.R. Seal, II, J.D. Bliss |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.....................in Colorado minerals? ...................................... 329 by R. A. Kosnar Famous mineral localities:...Home mine .................................................. 333 by R. A. Kosnar Famous mineral localities:...339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A............373 by E. E. Foord and R. F. Martin Mineral collecting at the Sunnyside & Idarado m in e s |  | | Report (volume) | | Notes on the gold lodes of the Carrville district, Trinity County, Cal., by D. F. MacDpnald...............preliminary report on the geology and ore deposits of Creede, Colo., by W. H, Emmons and E. S. Larsen.........account of the ore deposits of the Loon Creek district, Idaho, byJ. B.Umpleby................................................. Notes on the Antelope district, Nev., by F. C. Schrader................... Notes...Notes on the northern La Sal Mountains, Grand County, Utah, by J. M. Hill. Survey publications on gold |  | | Book | | l JJ 1atYON RALPH Moore's COMPENDIUM of Mineral Discoveries -------~►►--.•.... -~~1---------- ...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...crystals and in themselves are never of interest to mineral collectors. However, unusual discoveries in the |  | | Report (issue) | | Mount Belknap caldera, Utah. USGS Research on Mineral Resources-1987 Program and Abstracts Edited by...lie Sachs Third Annual V. E. McKelvey Forum on Mineral and Energy Resources U.S. Geological Survey Circular...contributions to U.S. Geological Survey programs in mineral and energy resources. Through active exchanges...learned firsthand about the changing needs of the mineral and energy industries, and we found new ways to...to research, development, and administration in mineral and energy resources as a scientist, as Chief Geologist |  | | Report (issue) | | Research on Mineral Resources-1989 Program and Abstracts Fifth Annual V.E. McKelvey Forum on Mineral and Energy...1035 A view of the main ore zone at the Carlin mine, Nevada. Popovich Hill is on the left and is underlain...the Western United States. USGS Research on Mineral Resources-1989 Program and Abstracts Edited by...Schindler Fifth Annual V.E. McKelvey Forum on Mineral and Energy Resources U.S. GEOLOGICAL SURVEY CIRC~LAR...Forum on Mineral and En ergy Resources (5th : 1989 : Reno , Nev.) USGS research on mineral resou rces-1989 |  | | Report (volume) | | GEOLOGY OF THE SAN JUAN REGION OF SOUTHWESTERN COLORADO BY WHITMAN CROSS AND ESPER S. LARSEN UNITED...rocks of Conejos age._ 'Treasure Mountain quartz latite Sheep Mountain andesite__-____ Alboroto quartz...formations._____.___________.;___ ____________ Creede formation____________^____________ _ _______ ...__-__ Resources. ____ __ ^_____ _ ______ Metal mining.._____________-_-------__--_-______-____--_____Production...of the San Juan region, Colorado _________ In pocket 2. Relief map of Colorado showing the relation of |  | | Book | | INTRODUCTION 1.1. Mineral Deposit versus Orebody 1.2. Styles of Mineralization and Morphology of Mineral Deposits...Distribution of Mineral Deposits 1.3. Understanding Mineral Deposits CHAPTER 2. FORMATION OF MINERAL DEPOSITS...49 54 56 73 89 92 CHAPTER 3. INTERPRETATION OF MINERAL DEPOSITS - I 3.1. Introduction 3.2. Geologic Setting...124 131 142 147 CHAPTER 4. INTERPRETATION OF MINERAL DEPOSITS - II 4.1. Stable Isotopes 4.2. Sulfur... A Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended Reading |  | | Report (issue) | | James C. Wright _____ _ 4. Relation of the Colorado mineral belt to Precambrian structure, by Ogden Tweto...__________ _ 5. Pre-ore age of faults at Leadville, Colorado, by Ogden Tweto ____________________________________________...6. Pre-ore propylitization, Silverton caldera, Colorado, by Wilbur S. Burbank _______________________...to caldera subsidence in the Creede district, San Juan Mountains, Colorado, by Thomas A. Steven and James..._________ ·_________________ _ 9. Alinement of mining districts in north-central Nevada, by Ralph J." |  | | Report (issue) | | UNITED STATES MINERAL RESOURCES GEOLOGICAL SURVEY PROFESSIONAL PAPER 820 UNITED STATES MINERAL RESOURCES...Washington, D.C. 20402 FOREWORD Minerals and mineral fuels are literally the cornerstones of modern...comforts of life in the United States today. Most mineral resources are nonrenewable, for the deposits from...course, many mineral products can be recycled. Because of our dependence on minerals and mineral fuels, the...economically. As a part of our response to the Mining and Mineral Policy Act of 1970, the Geological Survey |
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