 | | Report (volume) | | Zinc-Copper-Lead Sulfides and Zinc Spinel (Gahnite) in Colorado U,S. GEOLOGICAL SURVEY BULLETIN 1550 , Precambrian...Zinc-Copper-Lead Sulfides and Zinc Spinel (Gahnite) in Colorado By DOUGLAS M. SHERIDAN and WILLIAM H. RAYMOND...zinc-copper-lead sulfides and zinc spinel (gahnite) in Colorado. (Geological Survey bulletin ; 1550) Bibliography:...Geology, Stratigraphic-Precambrian. 3. Geology-Colorado. I. Raymond, William H. II. Title. III. Series...potential . . . . . . . . Deposits in other areas in Colorado Distribution and significance of gahnite Economic |  | | Report (volume) | | Potential of t.he San Isabel National Forest, South-Ce tral Colorado COLORADO An Assessment of the...Resource Potential of the San Isabel National Forest, South-Central Colorado By Richard B. Taylor, Rebecca...structures 12 Mineral resources-Locatable minerals 12 Mining and exploration history 12 Metals 13 Industrial...Paleozoic racks-Silver, gold, and base metals 24 Epithermal vein deposits-Gold, silver, base metals, and...2. Geologic map of the San Isabel National Forest, south-central Colorado Mineral resource potential |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | Report (volume) | | Zapata Creek Wilderness Study Areas, Alamosa County, Colorado ,«iV**«S-<- .* ^r||^^ «*~ . DEFINITION...resource potential of the San Isabel National Forest, south-central Colorado: U.S. Geological Survey Bulletin...RESOURCES OF WILDERNESS STUDY AREASSOUTH-CENTRAL COLORADO Mineral Resources of the Papa Keal and Zapata...Zapata Creek Wilderness Study Areas, Alamosa County, Colorado By Bruce R. Johnson and Jerry R. Hassemer U...Alamosa County, Colorado (Mineral resources of wilderness study areas South Central Colorado; ch. D) |  | | 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...Geochemical maps of stream sediments in central Colorado, from New Mexico to Wyoming: U.S. Geological Survey.................. 1 Geologic Setting of Central Colorado.............................................. |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |  | | 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 |  | | 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)...(2-157).......................................... San Isabel/Pike National Forest.............................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 |  | | 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) | | GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S.............................................. 1 COLORADO .............................................................................. 28 Pike and San Isabel National Forests Shepard and Associates .........Complete citations are provided on the figures.] COLORADO Gunnison and White River National Forests Mountain...1981) ........................... 35 Pike and San Isabel National Forests Shepard and Associates Part of |  | | Report (issue) | | WATER-RESOURCES INFORMATION FOR THE ARKANSAS RIVER BASIN IN COLORADO THROUGH 1985 by John M. Kuzmiak and Hyla H. Strickland...cooperation with the SOUTHEASTERN COLORADO WATER CONSERVANCY DISTRICT Denver, Colorado 1994 U.S. DEPARTMENT OF...Copies of this report can be purchased from: District Chief U.S. Geological Survey Box 25046, MS 415............................................. 12 Colorado Division of Water Resources .............................................................. 12 Colorado Department of Agriculture ................... |  | | Report (issue) | | GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S.............................................. 1 COLORADO ................................................................ 27 San Isabel and White River National Forests Lake County Land Exchange Offer (Iocmin40).......... 47 White River National Forest Dillon District Land Exchange Joint Venture (Iocmin38) ......................... 138 FIGURES OR ATTACHMENTS COLORADO Pike National Forests Shepard and Associates Land |  | | Report (issue) | | 1 COUNTY REPORT HYSICAL >ci 8 PHYSICAL •CI. .Lib. IES TN 24 C3 1ERAL RESOURCES OF A34 1 IPINE...IPINE COUNTY, CA! IA -*ci?2®^?^a£~Vfes^A^Gw^i I ver Mou nta i nV-*- Digitized by the Internet...ALPINE COUNTY, CALIFORNIA by WILLIAM B.CLARK With sections on the Zaca gold-silver mine and the...the Leviathan COUNTY REPORT sulfur mine by James R. Evans 8 1977 CALIFORNIA DIVISION OF MINES AND...2 i DOCS. -US Frontispiece. Typical Alpine County scenery. View looking southeast across Twin Lakes |  | | Report (volume) | | Wilderness, Lake County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1636. ~ COLORADO Mineral Resource...Potential of Mount Massive Wilderness, Lake County, Colorado By R.E. VAN LOENEN, G.K. LEE, and D.L. CAMPBELL...potential of Mount Massive Wilderness, Lake County, Colorado I by R.E. Van Loenen ... [et al.]. p. em....: I 19.3: 1636 1. Mines and mineral resources-Colorado-Mount Massive Wilderness. 2. Mount Massive Wilderness...Mount Massive Wilderness, San Isabel National Forest, Lake County, Colorado. The area was established as |  | | Report (volume) | | Uranium Deposits of the Caribou Area, Boulder County Colorado GEOLOGICAL SURVEY BULLETIN This report concerns...Uranium Deposits of the Caribou Area, Boulder County Colorado By F. B. MOORE, W. S. CAVENDER, and' E. P.... _ __ Lead-silver veins_____________________________________ Uranium-bearing lead-silver veins___________________...veins___________________ Mine descriptions_____________________________________________ Silver mines______________...mines______________ ____________________ _ Caribou mine,_____--_--_____________________________ No Name mine________ |  | | Report (issue) | | OF THE WHITEPINE AREA, TOMICHI MINING DISTRICT, GUNNISON COUNTY, COLORADO by Charles S. Robinson This...Pre/|iarabrian rocks ..................... '.v Silver Plume granite .................. 7 7 Paleozoic...15 Harding quartzite ................... 22 Fremont dolomite .................... 25 Chaffee formation...of the ore depoait* ..............*...... 143 Mine* and prospect* ......................... 147 Akron............. 134 Isabel ............................... 187 Maid of Erin-Silver Pick. ........... | | | Report (issue) | | Prepared in cooperation with the Colorado Geological Survey for the United States Department of Agriculture...Service Development of Industrial Minerals in Colorado Circular 1368 U.S. Department of the Interior...Survey Development of Industrial Minerals in Colorado By Belinda F. Arbogast, Daniel H. Knepper, William...John S. Dersch Prepared in cooperation with the Colorado Geological Survey for the United States Department..., 2011, Development of industrial minerals in Colorado: U.S. Geological Survey Circular 1368, 87 p. Library |  | | Report (volume) | | Study Areas, Saguache County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1716-A COLORADO DEFINITION OF LEVELS...resource potential of the San Isabel National Forest, south-central Colorado: U.S. Geological Survey Bulletin...RESOURCES OF WILDERNESS STUDY AREAS NORTH-CENTRAL COLORADO Mineral Resources of the Black Canyon and South...Piney Creek Wilderness Study Areas, Saguache County, Colorado By David A. Lindsey, Jerry R. Hassemer, Gerda...(CO-050-132B) Wilderness Study Areas, Saguache County, Colorado. CONTENTS Summary 1 Introduction 3 Investigations |  | Church, S.E., Wilson, S.A., Vaughn, R.B., Fey, D.L. (1994) Geochemical and lead-isotopic studies of river and lake sediments, upper Arkansas River basin, Twin Lakes to Pueblo, Colorado. Open-File Report Vol. 1994 (94-412) US Geological Survey doi:10.3133/ofr94412 | Report (issue) | | upper Arkansas River basin, Twin Lakes to Pueblo, Colorado by S.E. Church, S.A. Wilson, R.B. Vaughn, and................................................. Mining History and Production ................................................................ Chaffee County .................................................................................. Custer County ................................................................................... Fremont County ........................................................ |  | | Report (issue) | | METALS AND NONMETALS EXCEPT FUELS. Compiled by ISABEL P. EVANS. This bibliography is a revision, enlargement...Reconnaissance of the ore deposits in northern Yuma County, Ariz.: Bull. 451, 130 pp., 1911. 30c. -. The ore...H., Geology and ore deposits of the Park City district, Utah: Prof. Paper 77, 231 pp., 1912. BROOKS,...The mineral deposits of Alaska and the Alaskan mining industry in 1913: Bull. 592, pp. 1-74, 1914. 413... The Chisana placer district, Alaska: Bull. 592, pp. 309-320, 1914. Gold, silver, and copper in Alaska |  | | Report (volume) | | Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado COLORADO • Mineral Resources of the Holy Cross...Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado By ALAN R. WALLACE, GREGORY K. LEE, and DAVID...Wilderness Area, Eagle, Pitkin, and Lake Counties, Colorado by Alan R. Wallace ... [et al.]. p. cm.-(U.S....no.: I 19.3:1879 1. Mines and mineral resources-Colorado-Holy Cross Wilderness. 2. Holy Cross Wilderness...White River and San Isabel National Forests, Eagle, Pitkin, and Lake Counties, Colorado. This area was established |  | | Journal (article/letter/editorial) | | DEFINITION OF SOUTH A MINERAL CENTRAL BELT COLORADO. IN • JOHN W. GABELMAN. CONTENTS. PAGE Abstract............... Geologichistory of south central Colorado ................................ 180 182 182.................................. South central Colorado mineral belt ...................................Cotopaxizinc mine .............................................. 189 190 190 192 193 193 193 Marion mine ................................................... Silver Cliff-Rosita Hills ........................... |  | | Report (issue) | | Ellen-Blue Hills (Addition) Wilderness Study Area, Wayne County, Utah By Russell F. Dubiel1 and Diann D. Gese2...Geological Survey Denver, Colorado 2 U.S. Bureau of Mines Denver, Colorado CONTENTS Page Abstract....(Addition) (UT-050-238) Wilderness Study Area, Wayne County, Utah. ABSTRACT The Mount Ellen-Blue Hills (Addition)...Wilderness Study Area comprises 7,324 acres in Wayne County, Utah. Field and laboratory investigations were...investigations disclosed no evidence of mineral occurrences, mining activity, or industrial commodities in the study |  | | Report (volume) | | Browns Canyon Wilderness Study Area, Chaffee County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1716-C DEFINITION...resource potential of the San Isabel National Forest, south-central Colorado: U.S. Geological Survey Bulletin...SOUTH-CENTRAL COLORADO Mineral Resources of the Browns Canyon Wilderness Study Area, Chaffee County, Colorado...Chaffee County, Colorado. (Mineral resources of wilderness study areas South-Central Colorado; ch. C)...Mines and mineral resources Colorado Browns Canyon Wilderness. 2. Geology Colorado Browns Canyon Wilderness |
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