 | | 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 |  | | Journal (article/letter/editorial) | | pale green fluorite octahedra, 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2...2 (right). Green fluorite encrusted with quartz on a plate of quartz, from a prospect in the Needle Mountain...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;...Piekenbrock of Canon City and now in the authorās collection. C*O*L*O*R*A*D*O FLUORITE BARBARA L. MUNTYAN...MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R. Muntyan of specimens from |  | | 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) | | [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 (āColorado Pyriteā), September/October |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine ā_ā< Ā¢ 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 resourcesāColorado. 2. Mines and mineral resourcesāNew Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | 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 |  | | 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 Eā¢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. ā¢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) | | Ore Deposits of theĀ· 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...ores-----------------------------Mine descriptions----------------------------------Wilfley-Kimberly mine __ --------________________...Consolidated mine, Eldorado and Wilson mines, Felicia Grace mine, and Champion (New York) mine----------...ILLUSTRATIONS Page PLATE 1. Geologic map of Kokomo-Tenmile district------------------------------------------------------ |  | | Report (issue) | | Economic Geology of the Ā·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) | | 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 |  | | 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) | | SURVEY Geology and gold deposits of the Oatman District Northwestern Arizona By Ed DeWitt 1 , Jon P...Geological Survey Denver, CO 80225 2EXXON Company USA, Denver, CO 80201 o -"Consulting Geologist 3150...northwestern Arizona........ Geologic map of the Oatman district, Arizona................. Rj-R2 classification...Detailed geology and location of mines in the Oatman district.................................................per ton, of individual deposits in the Oatman district............................ 7B. Contour map of |  | | Report (issue) | | REFERENCE TO THE ILLINOIS-KENTUCKY DISTRICT By Paul Hatmaker Former Mining Engineer, Building Materials Section...Origin and occurrence 18 Kentucky district Western States Mining districts of the United States 21...Illinois- 21 Illinois-Kentucky 21 California 27 Colorado 27 New Mexico 27 Nevada New Hampshire 28...28 28 Other States Prospecting and exploration Mining 31 Milling 33 28 28 Mechanical separation...37 Domestic production Imports statistics and mine stocks 40 40 Tariff history 51 Exports Domestic |  | | 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 __________ -------- |  | | 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 STATESĀ· 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 | | 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 40Ā° 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 CaƱon 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.___________...minerals.______-----___--___-_______,._____-______ Fluorite.._________________________________ Quartz and...pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |  | | Report (issue) | | National Forest RARE II and wilderness areas in Colorado Compiled By Robert P. Dickerson 1 Open-File Report...standards and stratigraphic nomenclature. Denver, Colorado CONTENTS (See also indices listings, p. 173)...National Forest RARE II and wilderness lands, Colorado.............. vi in pocket INTRODUCTION Information...National Forest lands and National Grasslands in Colorado, that have been, or are being, considered for...included in the Wilderness System. Many areas in Colorado lack such surveys; therefore, information from |  | | 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) | | 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...minesāThe 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) | | limestone or dolomite. It is a useful ore guide in many mining districts UNITED STATES GOVERNMENT PRINTING OFFICE........... Characteristics of jasperoid in major mining districts of the United States ..................................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona .......Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ........... |  | | Journal (article/letter/editorial) | | ā A recent letter from Byron C. Marshall, 204 Central Ave., Hot Springs National Park, Ark., carries...Murfreesboro, Pike Co., Ark. This is in the cinnabar district of Howard, Pike, and Clark Counties, Ark. This...Modesto, Calif. Both specimens come from an old Gold mine at Placerville, El Dorado Co., Calif. The following...when cut into cabachon, ashtrays and bookends." COLORADO ā A most interesting specimen of small canary-yellow...East Haven 12, Conn. "Thin veins of deep purple fluorite occur in the Branford granite-gneiss exposed in |  | | Report (volume) | | Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado U.S. GEOLOGICAL SURVEY BULLETIN...Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado By MARGO I. TOTH, ANNA B....Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado / by Margo I. Toth ... [et...mineral resources Colorado White River National Forest. 2. Mines and mineral resources Colorado Arapaho National...National Forest. 3. Geology Colorado White River National Forest. 4. Geology Colorado Arapaho National Forest |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |
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