 | | 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...at Butte, Montana; Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |  | | Report (issue) | | Geochemical Maps of Stream Sediments in Central Colorado, from New Mexico to Wyoming Open-File Report... Cover: Overlooking North Fork Lake Creek and Colorado highway 82 east of Independence Pass, with Star... Geochemical Maps of Stream Sediments in Central Colorado, from New Mexico to Wyoming By Robert G. Eppinger...2015, Geochemical maps of stream sediments in central Colorado, from New Mexico to Wyoming: U.S. Geological...................... 1 Geologic Setting of Central Colorado.......................................... |  | | Journal (article/letter/editorial) | | 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;...edge; collected by Larry Piekenbrock of Canon City and now in the author’s collection. C*O*L*O*R*A*D*O FLUORITE...FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R....locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States; |  | | Report (issue) | | Ore Deposits of the· Kokomo-Tenmile District, Colorado By M. H. BERGENDAHL and A. H. KOSCHMANN . I...PAPER 652 Prepared in cooperation with the Colorado Mining Industrial Development Board .. 1\ UNITED...Carbonate veins ___________________________ _ Pyrite-sphalerite-galena veins ________________ _ Ore bodies--...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________...Consolidated mine, Eldorado and Wilson mines, Felicia Grace mine, and Champion (New York) mine---------- |  | | Journal (article/letter/editorial) | | at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite specimens have been found...reported from numerous localities worldwide. Fine sphalerite specimens, for example, have been found at Elmwood...Elmwood, Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University of Nebraska...We1I-crystaIIized examples of sphalerite also occur at many localities in Colorado, in shades of amber, emerald-...marmatite), pink, or dark red (Eckel et al. 1997). Sphalerite crystallizes in the hextetrahedrat class of the |  | | Journal (article/letter/editorial) | | KokomoMiningDistrict,Colorado CRAIG J.MACH* ANDTOMMY B.THOMPSON **'• Department of EarthResources, Colorado StateUniversity...StateUniversity, Fort Collins,Colorado 80523 Abstract The oresof the Kokomo miningdistrict,Colorado, areAg-Pb-Znmassive...res verysimilarto oresat Leadville and Gilman,Colorado. Ore deposition occurred in the generalsequence:...magmatic sulfursource. The fission trackageof the Kokomo oresystem is about40 Ma. Fission trackdatesareyounger...MinturnFormation are County,Colorado,approximately 100 km westof Denver the dominant ore hosts at Kokomo. (Fig.1) |  | | Report (issue) | | Economic Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE...1918. Economic geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A. Drake...the Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central...tral City district. 2. Ore-deposits-Colorado-Central City district. 3. Mines and mineral re. sources-Colorado-Central...sources-Colorado-Central City district. I. Drake, Avery Ala, 1927joint author. II. Tooker, Edwin Wilson, 1923- |  | | Report (issue) | | PRELIMINARY REPORT ON THE ECONOMIC GEOLOGY OF GILPIN COUNTY, COLORADO. By EDSON S. BASTIN and JAMES M. HiLL...following brief account of the economic geology of Gilpin County and adjacent portions of Clear Creek and Boulder...for information concerning this important mining district. The area considered lies 30 to 35 miles west...Kocky Mountains. It is the oldest lode-mining region in Colorado, and its discovery in 1859 was the occasion...The area includes the productive portions of Gilpin County and small adjacent parts of Boulder and Clear |  | | Journal (article/letter/editorial) | | ORES OF GILPIN E•soN COUNTY, COLORADO. S. BASTIN. INTRODUCTION. An exhaustive report on the economic...geology of Gilpin County and adjacentportionsof Clear Creek and Bouldercounties, Colorado,'byEdsonS.... the following: Gilpin County ................................... ['Central City. [Blackhawk. •NevadavilIe...OF GILPIN COUNTY, COLORADO. 263 [Idaho Springs. /Gilson. -[Alice. [Dumont. Clear Creek County ......underlessdeep-seated conditions, ORES OF GILPIN COUNTY, COLORADO. 265 faulting took place. Someof the |  | | Report (issue) | | decide whether a certain metalliferous deposit or district should be included or not. The problem was also...other forms) since 1935 is reviewed. New sulfur mining and recovery projects in the United States and...chemical properties of sulfur, the geology and mining operations of the salt-dome sulfur deposits, the...sulfur by superheated water through wells at Sulphur mine, Louisiana, are fully detailed. Exploration and...Swager, W. L. , and Sullivan, J. D. , 1951, Sulphur: Mining Engineering, vol. 3. , pp. 403409. The history |  | | 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 |  | | 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 |  | | 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) | | 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 | | Plumlee, Geoffrey S., Streufert, Randall K., Smith, Kathleen S., Smith, Steven M., Wallace, Alan R., Toth, Margo I., Nash, J. Thomas, Robinson, Rob A., Ficklin, Walter H., Lee, Gregory K. (1995) Map showing potential metal-mine drainage hazards in Colorado, based on mineral-deposit geology. Open-File Report Vol. 1995 (95-26) US Geological Survey doi:10.3133/ofr9526 | Report (issue) | | Prepared by the U. S. Geological Survey and the Colorado Geological Survey in cooperation with the U. S...Creek Gilman Hall's Gulch Tenmile - Breckenridge Kokomo Climax Holy Cross Upper Blue River Jefferson...Daily V Uv Central City BlackUv hawk Central City Idaho Spr. Empire V 40° North Gilpin er Riv ue...Round Mountain Woodland Park Riverside Ri ve r Colorado Springs Trout Creek Crested Butte Free Gold...Gold Belt Cochetopa sR nsa a Ark Pitch Cañon City Cotopaxi Ur Us Uv iver Nucla Un Riv Us Us |  | | Report (volume) | | Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I o 00...of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH and...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________..._________ __________________________________ Sphalerite. _________.__ -_______---_-_-____________'___-_--Galena...pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |  | | Report (volume) | | --------------------------- Rowley or Reliance mine, by J. A. ~acKallor_____________ PimaCountY----...claims_______________________________________ Pinal County _________________________ ------- ______ -----__...-----__ Santa Cruz CountY---------------------------------------Santo Ni:iio mine, by D. H. Kupfer__...____ Yavapai CountY----------------------------------------------Copper Basin district _______ ------...--------------__ Commercial mine ______ ------------------------------__ Copper Hill mine __________ -------- |  | Hinkle, Margaret E., Adrian, B.M., Briggs, P.M., Fey, D.L., Motooka, J.M., O'Leary, R. M., Papp, C.S. (1994) Analytical results for monitored soil-gas concentrations (1991-1992) and for analyses of soil samples collected at the Kokomo Mine, Central City, Colorado. Open-File Report Vol. 1994 (94-289) US Geological Survey doi:10.3133/ofr94289 | Report (issue) | | SOIL SAMPLES COLLECTED AT THE KQKCMO MINE, CENTRAL CITY, COLORADO By M.E. Hinkle, B.M. Adrian, P.M. Briggs...base-metal-bearing quartz vein at the Kokomo mine, near Central City, Colorado. Soil samples were collected and...constituents. Soil-gas concentrations at the Kokomo mine were affected by the same environmental conditions...to be useful for geochemical studies at the Kokomo mine. INTRODUCTION Concentrations of Ify, 0*, COn...base-metal-bearing quartz vein at the Kokomo mine near Central City, Colorado (fig. 1). Soil samples were collected |  | | Book | | at aks SUMMIT AGold Rush History of Summit County, Coldrado By Mary Ellen Gilliland Copyright 1980...Press Box 499 Silverthome, Colorado 80498 iv For the people of Summit County, past and present, and...Nineteen Summit Map Bibliography Index This Is Summit County Before the Rush Began: The Rocks That Made the...Silver Town Mining: The Pick, Pan and Blasting Powder Route to Riches Breckenridge Mining: Gulches of...of Gold Ten Mile Mining: Storied Silver Canyon Montezuma Mining: Treasure Atop the Rockies Summit Ghost | | | Report (issue) | | The Geological Story of the Blue River Valley, Colorado, and Its Surrounding Mountains Circular 1400...The Geological Story of the Blue River Valley, Colorado, and Its Surrounding Mountains By Karl S. Kellogg...mines—The geological story of the Blue River valley, Colorado, and its surrounding mountains: U.S. Geological...the geological story of the Blue River Valley, colorado, and its surrounding mountains / by Karl S. Kellogg...978-1-4113-3966-8 (pbk.) 1. Geology--Colorado--Blue River Valley. 2. Mountains--Colorado. I. Bryant, Bruce, 1930- |  | | 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 (issue) | | Ore Deposits of the Oilman District, Eagle County, Colorado GEOLOGICAL SURVEY Study made in cooperation...cooperation with the Colorado Mining Industrial Development Board PROFESSIONAL PAPER 1017 Ore Deposits...Deposits of the Oilman District, Eagle County, Colorado By THOMAS S. LOVERING, OGDEN TWETO, and T. G. LOVERING... 1017 Study made in cooperation with the Colorado Mining Industrial Development Board Description of...geologic setting of a mining district that is the leading source of zinc in Colorado and an important source |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...Center, Rm. 1C402,12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105,125 South State St...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Part II Geology and Gold Deposits of the Oatman District, Northwestern Arizona By ED DEWITT, JON P. THORSON...Marysville Mining District, Montana By JAMES W. WHIPPLE Gold Deposits of the Boulder County Gold District |  | | Report (volume) | | Range, Summit County Colorado GEOLOGICAL SURVEY Prepared in cooperation with the Colorado State Metal...Metal Mining Fund Board BULLETIN 1162-D A Geology of the Northern Part of the Tenmile Range, Summit...Summit County Colorado By MAX H. BERGENDAHL CONTRIBUTIONS TO ECONOMIC GEOLOGY GEOLOGICAL SURVEY BULLETIN...1162-D Prepared in cooperation with the Colorado State Metal Mining Fund Board STATES GOVERNMENT PRINTING...SUMMIT COUNTY, COLORADO BY MAX H. BERGENDAHL ABSTRACT The Tenmile Range is in north-central Colorado, about |  | | Journal (article/letter/editorial) | | possiblehypogeneorigin for it at the National Mine, National Mining district, Nevada; R.ans•)me describes marcasite..."Geology and Mineral Deposits of the National Mining District, Nevada," Bull. 6oi, U.S. Geol. Survey, I915...pyrite,pyrrhotite,arsenopyrite, chalcopyrite, sphalerite, galena, marcasite,with later manganosiderite...andchalcopyrite, bothappearto belater thanthe sphalerite. The first is presentin smallamountin the oresexamined...smallamountand often forms very narrow bordersaroundthe sphalerite. It couldnot be positivelyidentified. Marcasite |
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