 | | Journal (article/letter/editorial) | | [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...Elmwood, Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University of Nebraska...of sphalerite also occur at many localities in Colorado, in shades of amber, emerald- or lime-green,...Muntyan, former director of the Ouray County Museum in Ouray, Colorado, is a frequent contributor to Rocks...in her series on Colorado minerals appeared in the July/August I994 issue (âColorado Pyriteâ), September/October |  | | Report (issue) | | Index of the Geology of the Creede Mining District and Vicinity Colorado By Daniel O. Hayba and Constance...bibliography and index of the geology of the Creede mining district and vicinity was prepared in support of the...information pertaining to the geology of the Creede district. Thus, references range from papers dealing entirely...also PALEONTOLOGY and PALEOENVIRONMENT) GEOLOGY, District GEOLOGY, Regional GEOMORPHOLOGY GEOPHYSICAL SURVEYS...Stable and Radiogenic MAPS MINERAL DEPOSITS, Creede district (see also FLUID INCLUSIONS; ISOTOPES; and ALTERATION) |  | | Report (volume) | | Handles Peak Wilderness Study Areas, Hinsdale County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1715-B...Handles Peak Wilderness Study Areas, Hinsdale County, Colorado By RICHARD F. SANFORD, RICHARD I. CRAUCH...RESOURCES OF WILDERNESS STUDY AREASSOUTHWESTERN COLORADO DEPARTMENT OF THE INTERIOR DONALD PAUL MODEL...Areas, Hinsdale County, Colorado. (Mineral resources of wilderness study areas southwestern Colorado ; ch...mineral resources Colorado Redcloud Peak Wilderness. 2. Mines and mineral resources Colorado Handies Peak |  | | 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 |  | Lipman, P. W., Fisher, F. S., Mehnert, H. H., Naeser, C. W., Luedke, R. G., Steven, T. A. (1976) Multiple ages of mid-Tertiary mineralization and alteration in the western San Juan Mountains, Colorado. Economic Geology, 71 (3) 571-588 doi:10.2113/gsecongeo.71.3.571 | Journal (article/letter/editorial) | | nandAlteration in the WesternSanJuanMountains,Colorado PETERW. LIPMAN, FREDERICKS. FISHER, HARALDH. ][VIEHNERT...volumetricallyminor intrusionsof quartz-bearing silicic porphyry. This associationis commonin many mining districtsin the...alterationandmineralization in the SanJuanMoun- minor quartz porphyry intrusionswere empIaced tains: one in...Needle Ă Lo Plato Mrs à ¸Durango ⢠>⢠⢠à COLORADO 37 ø NEW MEXICO 0 0 /I 25 25 50 MILES 50...Son volcanic field Juan B⢠Bonanza LL, BA, Bachelor P, C, Creeds CO, Cochetopa S, Silverton SJ |  | | Report (issue) | | Deposits of the Uncompahgre (Ouray) Mining District, Southwestern Colorado Professional Paper 1753 U.S. Department...western San Juan Mountains region of southwestern Colorado. In the foreground is a broad, gently south-sloping...prospects that constitute the Uncompahgre mining district are located mostly within the cliffy slopes...Deposits of the Uncompahgre (Ouray) Mining District, Southwestern Colorado By Wilbur S. Burbank and Robert...deposits of the Uncompahgre (Ouray) mining district, southwestern Colorado: U.S. Geological Survey Professional |  | | Journal (article/letter/editorial) | | inches; a floater specimen, Cross vein, Idarado mine, Ouray and San Miguel countries. Figure 2 (right)...Fremont County. C-O-L-O-R-A-O-O CALCITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427...Tennessee; the Viburnum Trend district, southeastern Missouri; the Tri-State district (Missouri-Kansas-Oklahoma);...Russia. Calcite also occurs at many localities in Colorado. Further, the state is the source of calcite as...marble (from the Yule quarry at Marble in Gunnison County) that has been used for many of the great monuments |  | | 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...occurs in significant amounts in many mining districts of the Colorado mineral belt, a large, elongated,...extreme southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since |  | | Report (issue) | | Bibliography and Index of Colorado Geology 1983 by Atnerican Geological Institute Colorado Geological Survey...Resources Denver, Colorado I 1987 Information Series 21 BIBLIOGRAPHY AND INDEX OF COLORADO GEOLOGY 1983...Geological Institute Colorado Geological Survey Department of Natural Resources Denver, Colorado 1987 The Colorado...opportunity employer. ii BIBLIOGRAPHY AND INDEX OF COLORADO GEOLOGY SERIALS LIST AAPG Bullett n. [Tulsa... New York, NY: Society of Mining Engineers of American Institute of Mining, Metallurgical and Petroleum |  | Bethke, P. M., Barton, P. B., Lanphere, M. A., Steven, T. A. (1976) Environment of ore deposition in the Creede mining district, San Juan Mountains, Colorado; II, Age of mineralization. Economic Geology, 71 (6) 1006-1011 doi:10.2113/gsecongeo.71.6.1006 | Journal (article/letter/editorial) | | youngestvolcanicrocks exposedin the district, the Fisher Quartz Latite, has beendeterminedby Stevenand...related to eruption of younger volcanic rocks of the Hinsdale Formation. Introduction T}â˘is is the secondof...epithermalsilverbasemetal ores in the Creede mining district. This paper reportson the potassium-argon dating...assemblageof basalt and silicic alkali rhyolite (the Hinsdale Formation) was erupted to form a widespreadveneer...widespreadveneer over much of the San Juan area. The Hinsdale lavas accumulatedfrom many scatteredsourcesand over |  | | Journal (article/letter/editorial) | | MUNTYAN 536 Third Avenue P.O. Box 495 Ouray, Colorado 81427 All photographs by John R. Muntyan of specimens...B ~i~~~~ 1. Mine along West willow Creek, near Creede and across from the Bachelor mine. Photo by author...the Rock Candy mine in British Columbia, Canada; and in the United States in Hardin County, Illinois, among...localities. Barite also occurs in many localities in Colorado, where it often forms attractive, wellcrystallized...wellcrystallized crystal groups. Colors reported for Colorado barite range from sky-blue to snowwhite to golden |  | | Report (issue) | | FIELD, SOUTHWESTERN COLORADO By Peter W. Lipman, and David A. Sawyer Denver, Colorado [Open-File Report...-------------- 5 Carpenter Ridge Tuff and the Bachelor caldera cycle--------------- 6 Welding and compositional...of the Fish Canyon Tuff, northeastern parts of Bachelor caldera and fill of related Carpenter Ridge Tuff...economically important Creede silver-lead-zinc mining district is contained within the San Luis Peak quadrangle...much of the economically important Creede mining district (Steven and Ratte, 1965), intersecting margins |  | | Journal (article/letter/editorial) | | JUAN COUNTY, COLORADO B A R B A R A and J O H N M U N T Y A N 6978 Wapiti Court Boulder, Colorado 80301...material has been obtained from a number of San Juan County mines and prospects during the last decade, in...almost ceased. COLORADO S A N J U A N C O U N T Y L I E S in southwestern Colorado. Some of the state's...vicinity of Silverton, the principal town in the county. The American Tunnel, located just north of town...of the Sunnyside mine complex and has been the major source of specimens in the county. Most museums and |  | | Journal (article/letter/editorial) | | The last Wild West Silver Mining Camp in Colorado T he Creede mining district, located at a lofty elevation...and rugged San Juan Mountains of southwestern Colorado. Although silver was discovered in the area in...the Amethyst, Last Chance, Commodore, and Bachelor. The mining encampment grew from a small settlement...assortment of Wild West characters who gravitated to mining boom towns. In 1890 the settlement was unofficially...into one of the last notorious Wild West silver mining camps that brought fortune to some and financial |  | | Report (volume) | | Garita Wilderness, San uan Mountains, Sout iwestern Colorado By THOMAS A. STEVEN, U.S. GEOLOGICAL SURVEY, and...Garita Wilderness, San Juan Mountains, southwestern Colorado. (Studies related to wilderness wilderness areas)...no.: 119.3:1420 1. Mines and mineral resources Colorado La Garita Wilderness. I. Bieniewski, Carl L.,...a mineral survey of the La Garita Wilderness, Colorado. CONTENTS Page Summary............................................................ Sky City mine area .......................................... |  | | Report (issue) | | of the San Juan Volcanic Field, Southwestern Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 958 â˘...of the San Juan Volcanic Field, Southwestern Colorado By THOMAS A. STEVEN and PETER W. LIPMAN GEOLOGICAL...Calderas of the San Juan volcanic field, southwestern Colorado. (Geological Survey Professional Paper 958) Bibliography:...16:958 1. Calderas-Colorado-San Juan Mountains. 2. Volcanic ash, tuff, etc.-Colorado-San Juan Mountains...18 Central San Juan caldera complex- Continued Bachelor caldera ......................... ........... |  | | Journal (article/letter/editorial) | | Center, Denver, Colorado 8022) Volcanic History of the San Juan Mountains, Colorado, as Indicated by...brecciasâmainly alkali andesite, rhyodacite, and mafic quartz latiteâwere erupted from numerous scattered central...activity changed to explosive ash-flow eruptions of quartz latite and low-silica rhyolite that persisted until...composition intertongue with the ashflow sequence: (1) quartz latitic lavas that were erupted in and adjacent...which covers about 25,000 km2 in southwestern Colorado and is well known through the studies of Larsen |  | | Journal (issue) | | Abraham Rosenzweig Tampa, PL Richard W. Thomssen Carson City, NV â Associate Photographers Nelly Bariand...85740 602-297-6709 Articles The Iron Cap mine, Graham County, A rizona..................................Ouray County, Colorado ............... 89 by B. & J. Muntyan Anatase on quartz from Ouray County, Colorado...Saies Gale Thomssen 1601 Fairview Dr., Suite C Carson City, NV 89701 702-883-2598 Historical notes on...Finds made in Arizona (the Iron Cap mine) and in Ouray County, Colorado, are described in three articles |  | | Journal (article/letter/editorial) | | Ore Deposition in the Creede Mining District, San Juan Mountains, Colorado: Part VI. Maximum Duration for...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 (e.g...Setting of the Creede Ore Deposit The Creede mining district is located near the center of the middle Tertiary...Tertiary San Juan volcanic field in southwestern Colorado. It is principally an epithermal silver deposit |  | | Report (volume) | | THE ! UNCOMPAHGRE PRIMITIVE AREA, "OT TTHWESTERN COLORADO - c-t SURVEY BULLETIN 1391-E Mineral Resources...Primitive Area, San Juan Mountains, Southwestern Colorado By T. A. STEVEN, P. W. LIPMAN, F. S. FISHER, U...primitive area, San Juan Mountains, southwestern Colorado. (Studies related to wilderness primitive areas)...I 19.3-.1391-E 1. Mines and mineral resources Colorado San Juan Mountains. I. Steven, Thomas August,...Primitive Area, San Juan Mountains, southwestern Colorado, and some adjoining national forest lands that |  | | Journal (article/letter/editorial) | | (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes in the isometric...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |  | | Report (issue) | | organization is carrying on for the direct advancement of mining interests throughout the country than can readily...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...written. In November, 1910, another visit to the district was made, but inclement weather handicapped the |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine â_â< ¢ 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 resourcesâColorado. 2. Mines and mineral resourcesâNew Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Report (issue) | | of Ore Deposition in the Creede District San Juan Mountains Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER...487 Prepared in cooperation with the Colorado State Metal Mining Fund Board Geology and Structural 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...formations ________________________________ _ La Garita Quartz Latite ________________________ _ Rhyolite of Miners |  | | Report (issue) | | Fluid-inclusion data on samples from Creede, Colorado, in relation to mineral paragenesis By Terri...rhodochrosite, quartz, and sphalerite from Creede, Colorado -- 30 Fluid-inclusion data for quartz from the...Figure 1. Map showing location of the Creede mining district and extent of the San Juan volcanic field....showing relation of the Creede mining district to the La Garita, Bachelor, San Luis, and Creede calderas...geologic map of the Creede mining district. 62 4. Longitudinal section of mine workings along the OH vein |
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