 | | Report (issue) | | Associated Ore Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others... PREFACE This report is bused on fieldwork in the central part of the Front Range mineral belt between 1951...______________________________ _ History of uranium mining and production ____________ _ Geologic setting...Mineralogy ______________________ - ___ ---- ___ --Pitchblende _______________________________ _ Texture __...Chemical composition of pitchblende __·___ _ ~in or elements in pitchblende ___________ _ Torbernite |  | | 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 (volume) | | Geology of Uranium Deposits in the Front Range, Colorado By P. K. SIMS and D. M. SHERIDAN With sections...mines_______________________________________ Boulder CountY----------------------------------~-----------Jamestown...Description of principal mines-Continued Boulder County-Continued Other areas __________________________...Moore______________________________ Clear Creek CountY------------------------------------------Idaho..._____ 71 72 Gilpin CountY-----------------------------------------------Central City District_____ |  | | 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..____________________ ___________________ |  | | 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 (volume) | | . 234 " y { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO /... BULLETIN 40 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BlaLlllGRAPHY by James L. Nelson-Moore,...Energy COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESUURCES STATE OF COLORADO DENVER, COLORADO 1978...ete 11 st r ng of rad i aaet 1ve occurrences 1n Colorado, with a comprehensive blbi iography and bibliographic...on the Colorado Plateau sparked several periods of exploratIon that ultimately led to a mining "boom ll |  | | 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...Replacement Deposits Part I Bald Mountain Gold Mining Region, Northern Black Hills, South Dakota By JAMES...the Park City Mining District, Utah By CALVIN S. B ROM FIELD Gold in the Eureka Mining District, Nevada |  | | Report (issue) | | predecessor organization, the Manhattan Engineer District ; and, to a lesser extent, by staff members of...United States. The pre-1940 history of uranium mining and geology is concerned largely with veins in...such areas as the Front Range mineral belt of Colorado; the Boulder batholith area, Montana ; the Sierra...Marysvale district, Utah. All the Western States, including Arizona, California, Colorado~ Idaho, Montana...comments on the history of uranium geology and mining. The other chapters deal principally with pertinent |  | 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). |  | | 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 |  | | Report (volume) | | Deposits Of the Lawson-DumontFall River District Clear Creek County Colorado By C. C. HAWLEY and FRANK BAKER...deposits of the district which forms the northwestern part of the important Central City-Idaho Springs...veins______________________________________________ Pitchblende-bearing veins___________________________________...veins______________________________________________ Pitchblende deposits_______________________________________...section of the Lawson-Dumont-Fall River district, Clear County, Colo. 2. ~ap showing major faults (veins) |  | | Journal (article/letter/editorial) | | MEETING OF THE ROCKY MOUNTAIN SECTION AT SALT LAKE CITY, UTAH, MAY 8-10, 1952 PENNSYLVANIAN AND LOWER PERMIAN...and western Wyoming. THRUST FAULTS SOUTH OF PARK CITY, UTAH* A. A. Baker, B. J. Sharp, and M. D. Crittenden...have been mapped south of the Park City district, Utah, between Bonanza Flat and Pine Creek on the west...fault has thrust younger rocks over older. East of Bonanza Flat the upper thrust has brought Weber quartzite...thickness cut out may amount to 1000 feet. South of Bonanza Flat the upper thrust has been removed by erosion; |  | | Report (issue) | | intrusive rocks of known chemical composition in Colorado by George Phair and Li 1 lie B. Jenkins Table...Regions outside the central Front Range The central Front Range The Central City district References cited...cited Tables Central Front Range east of the Continental Divide: 1A. Early Mafic Magmas: Chemical data...North Central Subprovince, monzonite stock, Audpbon-Albion: Chemical data a 3B. North Central Subprovince...data 4A. North Central Subprovince, monzonite stock, Caribou: Chemical data North Central Subprovince, |  | | Journal (article/letter/editorial) | | reniform or colloform banded masses (the variety pitchblende), columnar or dendritic aggregates, or scattered...moderate-temperature Co-Ni-Bi-Ag-As hydrothermal vein systems, Colorado Plateau-type sandstone-hosted uranium-vanadium...from the Number 20 mine near Spruce Pine, Mitchell County, North Carolina. Author’s specimen and photo. ...the famous Palermo and Ruggles mines in Grafton County, New Hampshire; dendritic uraninite intergrowths...Bedford, WestChester County, and from a locality at Richville Station, St. Lawrence County, New York. Uraninite |  | | Report (volume) | | Geophysical Union.. Transactions, American Institute of Mining and Metallurgical Engineers _..._ American Journal...Mines Special Reports _.......__ ________ Colorado Mining Association publications . Economic Geology...Geology. _ . _ ___... Engineering and Mining Journal _ , Geochimica et Cosmochimica Acta _ Bulletin, Geological...of Sedimentary Petrology_...__._ Mines Magazine Mining Engineering ........___..._...._____ Advances in...the areas and subjects are listed under States, "Colorado Plateau," "United States," or under a few subject |  | | Journal (issue) | | Carson City, NV 89701 702-883-2598 Bookstore Marilee Chirila 1601 Fairview Dr., Suite C Carson City, NV.............191 by W. E. Wilson The Port Radium district, Northwest Territories, Canada .................in e s Steve Voynick* P.O. Box 1285 Leadville, Colorado 80461 If you’re a mineral collector, you know...Abandoned mines certainly aren’t hard to find. Colorado alone has 15,000—most of them underground metal...methane-rich at mosphere can create an explosion. The Colorado Bureau of Mines warns that bad air in old shafts |  | | Report (issue) | | . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | Pass Districts, Saguache and Gunnison Counties, Colorado U.S. GEOLOGICAL SURVEY PRO FESS I 6N A L P A PE...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...Pass Districts, Saguache and Gunnison Counties, Colorado By JERRY C. OLSON U.S. GEOLOGICAL SURVEY PROFESSIONAL |  | | Report (issue) | | silicates and carbonates. Geochemical Signature; Central Cu, Au, Ag; peripheral Mo, Pb, Zn, Mn Examples...K-feldspar altered host rocks. Examples Climax Colorado References 10 Rb White and others, 1981 2...(Cyprus), York Harbor, (Canada) Turner-Albright, (USA) References 3.1 (continued) Petersen and Zantop... cobaltiferous pyrite. Traces of germanite, pitchblende. At Ruby Creek, assemblage includes sphalerite...Se, Mo, V DEPOSIT DESCRIPTION Ore Minerals; Pitchblende, coffinite, carnotite almost invariably associated |  | | Journal (article/letter/editorial) | | DEFINITION OF SOUTH A MINERAL CENTRAL BELT COLORADO. IN • JOHN W. GABELMAN. CONTENTS. PAGE................... Geologichistory of south central Colorado ................................ 180 182...................................... South central Colorado mineral belt ...............................morethan$100,000production.............. 193 194 194 Bonanza ........................................................................... 196 196 Areas of district definitionwith lessthan $100,000production... |  | | Report (issue) | | INTRUSIVE ROCKS OF COLORADO By Edward J. Young Prepared in cooperation with The Colorado Mining Industrial Development...Development Board and the Colorado Geological Survey This report is preliminary and has not been edited...intrusive rocks of Colorado » » » *«» In pocket Laramide-Tertiary intrusive rocks of Colorado By Edward...intrusive rocks in the State of Colorado, geologic age localities, mining districts, localities of chemically...This information is shown on the State map of Colorado (scale 1:500,000) accompanying this report. In |  | | Book | | mid-1957, of vvhich 70% is in New Mexico, 16% in Colorado, Utah, and Arizona, and 8% in Wyo1ning. These...doubtless the U.S.S.R., likewise established uranium mining industries. These efforts in the Reid and in the...siliceous and Ruoritic types, and the oxidized Colorado Plateau deposits are desc1ibed vvith those that...origin, e.g., Blind River, \i\litwatersrand, and Colorado Plateau. The writer has attempted to present equitably.... . . . . . . . . . . . . . . . . . . . . . Pitchblende-Pyrite ( ± Pb, Cu, Ag Sulfides) Type . . . . |  | | Report (issue) | | PROSPECTS, LAWSON-DUMONT-FALL RIVER DISTRICT, CLEAR CREEK COUNTY, COLORADO By C. C. Hawley and Frank Baker...Flat Iron vein Mines east of Red Elephant Hill Central America (Tinker) mine-Comstock vein Dexter mine...Alexander mine Copenhagen (Cincinnati) mine -» . Elm City mine -« Golden Hope mine 7 . . ... . Happy Thought...Lawson-Dumont-Fall River district and some nearby districts, Clear Creek and Gilpin Counties, Colorado. 2. Geologic...Geologic map of the Lawson-Dumont-Fall River district, showing location of mines and distribution of veins, |  | | Journal (article/letter/editorial) | | exemplified by the numerous past-producers in the central Montana and New Mexico alkaline provinces of the...volcanogenic massive sulphide (VMS) deposits (Table 1). Bonanza gold grades characterise a few of the low-sulphidation... Montana (Spry et al. 1996) and Central City and Jamestown, Colorado (Rice et al. 1985; Saunders 1991)...deposits of alkaline parentage (e.g. Cripple Creek, Colorado, United States; Thompson et al. 1985). It may...Tectonic setting Selected reference Cripple Creek, Colorado 834 t Au Phonotite to alkali basalt (lamprophyre) |  | | Journal (article/letter/editorial) | | HISTORY OF FOUR Native Silver Localities 7 in Colorado Downloaded by [University of California, San Diego]...72 Golden, Colorado 80403 All photos by author unless otherwise noted SINCE 1859 COLORADO HAS PRODUCED...rather than the native metal. Native silver in Colorado has been deposited both as a primary mineral,...Bald Mountain, Caribou area, Grand Island district, Boulder County. Specimen owner anonymous. Downloaded...three portions (Front Range, central, and San Juan Mountains) of Colorado mineral belt. Some representations |
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