| | Report (issue) | PRELIMINARY REPORT ON THE JO REYNOLDS AREA LAWSON-DUMONT DISTRICT CLEAR CREEK COUNTY COLORADO By J. E. Harrison...PRELIMINARY REPORT ON THE JO REYNOLDS AREA LAWSON-DUMONT DISTRICT, CLEAR CREEK COUNTY, COLORADO By J. E. Harrison... PRELIMINARY REPORT ON THE JO REYNOLDS AREA LAWSON-DUMONT DISTRICT, CLEAR CREEK COUNTY, COLORADO CONTENTS Page Abstract...... Purpose and scope of study ................ Mine workings .......................... Rock units........ Gneissic granite......................... Silver Flume granite ..................... Pegmatite. | | | Report (volume) | Ore Deposits Of the Lawson-DumontFall River District Clear Creek County Colorado By C. C. HAWLEY and...of the general geology and ore deposits of the district which forms the northwestern part of the important...Geologic map and section of the Lawson-Dumont-Fall River district, Clear County, Colo. 2. ~ap showing major...major faults (veins) of the Lawson-DumontFall River district projected to a horizontal plane having an elevation...89 CONTENTS PLATE 3. Map of the Lawson-Dumont-Fall River district, showing location of mines and distribution | | | Report (issue) | CIRCULAR 215 URANIUM IN THE METAUMINING DISTRICTS OF COLORADO UNITED STATES DEPARTMENT OF THE INTERIOR Douglas...215 URANIUM IN THE METAL-MINING DISTRICTS OF COLORADO By R. U. King, B. F. Leonard, F. B. Moore, and...C. URANIUM IN THE METAL-MINING DISTRICTS OF COLORADO By R. U. King, B. F. Leonard, F. B. Moore, and...showing the distribution of uranium deposits in Colorado. Relation of pitchblende deposits to bostonite...bostonite dikes in the Front Range mineral belt, Colorado .......................... Relation of pitchblende | | | Report (issue) | MINES AND PROSPECTS, LAWSON-DUMONT-FALL RIVER DISTRICT, CLEAR CREEK COUNTY, COLORADO By C. C. Hawley and...Production References cited Mine descriptions « Lawson area, north of Clear Creek Larger mines in the Red...ClevelandC?) mine Flat Iron vein Mines east of Red Elephant Hill Central America (Tinker) mine-Comstock vein...Dexter mine i Johnson group Last Chance mine « r Little Giant mine Little Superior (Jack Rabbit) mine Orient...Orient mine Panama group ; Young America vein Mines west of Red Elephant Hill Amboy mine Girard mine Kanawha | | | Report (issue) | Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others GEOLOGICAL SURVEY PROFESSIONAL...__________ - ___ - ________ -----------Central City district _____________________ ------Quartz Hill-upper...____________________________ _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher...Iron mine, by A. A. Drake, Jr ___________ _ Jefferson-Calhoun vein _________________ _ Kirk mine ____..._______ _ Old Town mine, by A. A. Drake, Jr ______ _ Springdale (Gold Rock) mine, by A. A. Drake, J r | | | Report (issue) | Front Range Mineral Belt Gilpin and Clear Creek Counties. Colorado GEOLOGICAL SURVEY PROFESSIONAL Prepared...Front Range Mineral Belt Gilpin and Clear Creek Counties, Colorado By E. W. TOOKER GEOLOGICAL SURVEY...Front Kange mineral belt, Gilpin and Clear Creek Counties, Colorado. Washington, U.S. Govt. Print. Off...belt, Gilpin and Clear Creek Counties, Colorado. 1963. (Card 2) 1. Geology Colorado Front Range. 2. Petrology...Petrology Colorado Front Range. 3. Ore deposits Colorado. 4. Mineralogy Colorado Front Range. 5. Metamorphism | | | Journal (article/letter/editorial) | of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper....from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with | | | 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...Generalfeatures--------------------------------------Blue Jay mine, by R. U. King__________________________ Fair Day...mine________________________________________ Nations Treasure mine, by R. U. King___________________ Victory group...Description of principal mines-Continued Boulder County-Continued Other areas __________________________ | | | Journal (article/letter/editorial) | featured proustite, an arsenic ember of the major ruby-silver family (Cook 1996). The species was chosen because...and historical importance as an ore mineral of silver, well-crystallized specimens of pyrargyrite have...several Mexican occurrences. Ideally, pyrargyrite is silver antimony sulfide (Ag3SbS,). Most analyses show...several percent. Pynte, acanthite, polybasite, and silver pseudomorphs after pyrargyrite are reported. It...alteration product of acanthite, dyscrasite, and silver. Pyrargyrite is relatively widespread as a low- | | | Report (volume) | important were those in the Central City district, Colorado, from which about 300 tons of high-grade...the Silver Cliff mine, Wyoming; the Jesse D No. 1 and No. 2 claims, Utah; and the Merry Widow mine, New...Utah; the Schwartzwalder (Ralston Creek) and Los Ochos mines, Colorado; the Early Day and Buckhorn claims...mines, Washington; the W. Wilson mine, Montana; the White King mine, Oregon; the deposits in the Pryor...deposits in the Dripping Spring quartzite, Gila County, Ariz. According to Nininger (1954, p. 43), as | | | Journal (article/letter/editorial) | Denver, Colorado 80225, U.S.A. U.S. Geological Survey, MS 973, Denver Federal Center, Denver, Colorado 80225...1000 square miles of the St. Lawrence County magnetite district in the northwest Adirondacks) and Pennsylvania...the ore deposits in the St. Lawrence County magnetite district culminated in his doctoral dissertation...377, considered to be the major treatise on the district. His transition to the western U.S. started ca...and his wife Eleanor (Vandy) moved to Golden, Colorado, and Ben became a member of the Minerals Branch | | | Book | .3 COLORADO. of COLORADO. J. S. l GEORGETOWN, COLO. GEORGETOWN COURIER PRINT. 1887. 3 Bancroft...From a mineralogical point of view the wealth of Colorado exceeds that of In the metallic minerals almost...to in the following pages Proceedings of the Colorado Scientific Society. Proceedings of the Academy...Bulletins of the U. S. Geological Survey. J. GEORGETOWN, COLORADO, January, 1887. S. RANDALL. : MINERALS...gravel of streams and in veins. The veins of Gilpin County are especially noteworthy for the amount of gold | | | Report (volume) | of the Shinarump No. 1 uranium mine, Seven Mile Canyon area, Grand County, Utah: TEI-287, Jan. 11, 1954...Results of exploration at the Old Leyden coal mine, Jefferson County, Colo.: TEM-292, Mar. 30, 1953. D, GJ....N., The pegmatites of the Errington-Thiel mine, Elko County, Nevada: TEI-71, Dec. 28, 1949. Office of...Ridge, and West End claims near Clancy, Jefferson County, Mont.: TEM-31, Oct. 19, 1951. D, SL, T. (332,...Geology of the Small Horn Canyon, Daly's Spur, Cedar Creek and Dell areas, southwestern Montana: Dec. 8, 1949 | | | 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) | Division of Mines Special Reports _.......__ ________ Colorado Mining Association publications . Economic Geology...the areas and subjects are listed under States, "Colorado Plateau," "United States," or under a few subject...Library COLORADO Denver, Denver Public Library CONNECTICUT New Haven, Yale University Library DISTRICT OF...NORTH CAROLINA Charlotte, Charlotte and Mecklenburg County Public Library Durham, Duke University Library...Antonio, San Antonio Public Library UTAH *Moab, Grand County Public Library *Provo, Brigham Young University | | | 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...association of radium, uranium. and vanadIum on the Colorado Plateau sparked several periods of exploratIon | | | Journal (article/letter/editorial) | its development. The coincident use of gold and silver for trade and commerce shaped the way we do business...its promise of abundant energy. It seems quite clear that the impact of the utilization of uranium for...moderate-temperature Co-Ni-Bi-Ag-As hydrothermal vein systems, Colorado Plateau-type sandstone-hosted uranium-vanadium...of accompanying minerals that range from native silver, bisFigure 1 (upper left). An 8-mm uraninite on...specimen is from the Number 20 mine near Spruce Pine, Mitchell County, North Carolina. Author’s specimen | | | Report (issue) | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________...Boulder Creek granite _________________ _ Pikes Peak granite _____________________ _ Silver Plume granite...Pre-Cambrian deposits _________________________ _ Mine descriptions __________________________ _ 39 39 | | | Book (edition) | -- ~~~~~~~ ~ By the Same Author: Colorful Colorado: Its Dramatic History: " . . . a remarkable feat...illustrated and cheaper than formal histories of Colorado. • • • The Unsinkable Mrs. Brown was a delightful...should he grateful." Luke Short in The Aspen Times. Silver Queen: The Fabulous Story of Baby Doe Tabor: "Attractive...Spring in Co"lorado Magazine. Tabor's Matchless Mine and Lusty Leadville: "Seventh in her series of Bancroft...in the Rocky Mountain. News. Six R~cy Madams of Colorado: delightful booklet is written b oth with good | | | Report (volume) | A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby | | | Report (volume) | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................especially from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee,...minerals and rocks, their occurrence and uses: Colorado State Geol. Survey Bull. 6, 1913. 8 USEFUL...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found | | | Report (issue) | Photogeologic map, Stinking Spring Creek-13 quadrangle, Emery County, Utah: TEM-397, Oct. 8, 1952. SL,...-~=---=-=---=Photogeologic map, Stinking Spring Creek-14 quadrangle, Emery County, Utah: TEM-394, Oct. 8, 1952. SL...Comet area, Jefferson City quadrangle, Jefferson County, Mont.: TEI-282, Oct. 8, 1952. SL, W, B. Cathcart...quadrangle, Navajo Indian Reservation, San Juan County, Utah: TEM-414, Oct. 27, 1952. D, GJ, SL. _ _ _..._Photogeologic map, Agathla Peak-2 quadrangle, Navajo County, Ariz.: Jan. 9, 1953. D, GJ, T. -=-..,..,,.... | | 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 (volume) | Deposits of the Freeland-Lamartine District, Clear Creek County, Colorado GEOLOGICAL SURVEY BULLETIN This...Deposits of the Freeland-Lamartine District, Clear Creek County, Colorado By J. E. HARRISON and J. D. WELLS...GEOLOGY AND ORE DEPOSITS OF CLEAR CREEK, GILPIN, AND LARIMER COUNTIES, COLORADO GEOLOGICAL SURVEY BULLETIN...____________________ 73 Production from the district.___________________________________ Classification...mine___________________________________________________ Brighton mine.____________________________________________ Crazy | | | Report (issue) | predecessor organization, the Manhattan Engineer District ; and, to a lesser extent, by staff members of...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...temperatures sic age, San Mateo Valley area, Grants district, New of ore and gangue min~rals, nature of ore...for uranium deposits, by the zoic rocks of the Colorado Plateau, are characterized lack of definite data |
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