 | | Report (volume) | | 2600 corridor, 18th and C Sts., NW. • DENVER, Colorado--Federal Bldg., Rm. 169, 1961 Stout St. • LOS...ROLLA, Missouri--1400 Independence Rd. • DENVER, Colorado--Map Distribution, Bldg. 810, Federal Center •... Geology and Geochemistry of the Pitch Uranium Mine Area, Saguache County, Colorado By j. THOMAS NASH Description...1941Geology and geochemistry of the Pitch uranium mine area, Saguache County, Colorado. (U.S. Geological Survey...Geology-Colorado-Saguache County. 2. Uranium ores-ColoradoSaguache County. I. Title. II. Title: Pitch uranium |  | | Report (issue) | | Gochetopa and Marshall Pass Districts, Saguache and Gunnison Counties, Colorado U.S. GEOLOGICAL SURVEY PRO FESS...Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169, 1961 Stout St. LOS ANGELES...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Cochetopa and Marshall Pass Districts, Saguache and Gunnison Counties, Colorado By JERRY C. OLSON U.S. GEOLOGICAL...Cochetopa and Marshall Pass districts, Saguache and Gunnison Counties, Colorado. (U.S. Geological Survey professional |  | | Report (issue) | | Dolomite: host for uranium at the Pitch Mine, Saguache County, Colorado by J. Thomas Nash Open-File Report...location of Pitch Mine.............3 map of the Pitch Mine area.................7 Pitch Mine area........column in the Pitch Mine area...........5 Petrochemical data for carbonate rocks, Pitch Mine area.........Dolomite: host for uranium at the Pitch mine, Saguache County, Colorado by J. Thomas Nash ABSTRACT Newly...Newly documented uranium ore in the Pitch Mine occurs chiefly in brecciated Mississippian Leadville Dolomite |  | | 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 |  | | Report (issue) | | such areas as the Front Range mineral belt of Colorado; the Boulder batholith area, Montana ; the Sierra...Western States, including Arizona, California, Colorado~ Idaho, Montana, Nevada, New Mexico, and FRANK...for uranium deposits, by the zoic rocks of the Colorado Plateau, are characterized lack of definite data...indicate that the total amount of pitchblende or high-grade pitchblende concentrate produced from the deposits...St. Joachimsthal produced 1,659 short tons of pitchblende ores of unknown uranium content, and Kohl ( 1954 |  | | Report (issue) | | M. Moreau, F. Tona The Pandanus Creek uranium mine, Northern Territory, Australia ......... 77 B...Schwartzwalder uranium deposit, Front Range, Colorado, USA ........................................ 159...genesis of uranium deposits at the Pitch Mine, Saguache County, Colorado ..................................crystals. Other uranium-bearing minerals are sooty pitchblende, a complex U-Ti oxide, allanite, xenotime, davidite...Jaduguda-Bhatin sector. The dominance of uraninite over pitchblende, the presence of several percents of REE in uraninite |  | | Book | | Gilpin county, Colorado 5 Cornwall, England 9 Joachimsthal, Bohemia Carnotite in Colorado and Utah...that occur chiefly pitch- blende or uraninite, carnotite, and autunite,. Pitchblende carries a much higher...fracture, lead, usually of metallic to greasy, pitch-like_ or..dull_ lustre, is opaque, and in colour...limestone, or granite of equal size. The greasy or pitch-like lustre and the high specific gravity are striking...treated. Gilpin County, The Colorado. following description of the pitchblende deposits Quartz hill |  | | Journal (article/letter/editorial) | | GEOLOGIC OF GEOLOGISTS 1953 CHARACTER PITCHBLENDE DONALD L. EVERHART OF No. 2 TYPICAL VEINS............................... Paragenesisof pitchblende........................................... Structural...deposits appear to constitutea second'type of pitchblende-bearingdeposits,which is describedas the sil...describeddepositsinclude the variable parageneticposition of pitchblende,the controlling influenceof tensionalfractures...pitchblendedeposition,and the widespreadassociation of pitchblende with hematitic alteration. INTRODUCTION. BEGINNINGin |  | | Report (issue) | | standards and stratigraphic nomenclature. Denver, Colorado 1984 Preliminary map of the uranium provinces...black, gray, and brown uranium ore minerals, pitchblende and uraninite, occur either in extensive bedded...may be intracratonic basins (e.g., province 1-Colorado Plateau), intermontane basins (e.g., province...intrusions in orogenic belts (e.g., province 5-Colorado Front Range, Northern and Southern Rockies). Principal...cratonic block, such as the Precambrian shear zone in Colorado, one of at least four NE-trending, alined, linear |  | 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) | | 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) | | mining; and in medium-grained sandstones in the Colorado Plateau, U.S.A. (average grade 0.2 percent U30g)...Territories of Canada, for radium and vanadium in Colorado, and for silver in Czechoslovakia. Most discoveries...minerals (pitchblende and uraninite) occur either in extensive bedded deposits of pitchblende in sedimentary...1957), as described by Heinrich (1958) are: (1) Colorado Plateau, including adjoining areas and areas in...Frome, South Australia; Arlit area, Niger; and Colorado Plateau, U.S.A.), or gulf-type basins (e.g., Texas) |  | | Book (edition) | | of these ores. Primary uranium minerals like pitchblende and carnotite never show fluorescence, but in...viewed under ultraviolet lamp. Out croppings of pitchblende ores invariably include secondary fluorescent...so as to be distinc tive. Found only in Benito County, Cali fornia, the mineral is reported to fluo resce...equally good speci mens. The agate from Sweetwater County, Wyoming, exemplifies the uranium-acti vated quartz...of nearly pure pitchblende, from the 1400 foot level, number two vein, Eldorado Mine, Great Bear Lake |  | | 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...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 |  | | Journal (article/letter/editorial) | | and Bastin, E. S., 1922, The geology of the Braden mine, Rancagua, Chile: EcoN. GEOL., v. 17, p. 75-99....west. The west-trending sleuthingwhenhe namedthe mine? faultswere probablyinitially formedby tumescence...was discovered there in 1950 The occurrence of pitchblende at the Mystery (WyantandStugard,1951),andthirty-fivetonsof...PitchblendeSamplesCollected at the Mystery Sniffer Mine, Utah Sample no. U(%) M760 MS-1 73.11 67.20 ...Steven,1979b). The Central mining area with pitchblende replacingwoodandcalcitefillingth is adjacentto |  | | Journal (article/letter/editorial) | | Observedapparentage ranges were (ni.y.): •o•pb/2as U Pitchblende Pyrite Total ore 2o7 pb//2a5 U 6 30 14-35...lead and radioactive daughters of 2asu from pitchblende and the subsequentmigration of these uranium...pitchblendeore from the PetrotomicsCompanysection9 open-pit mine and theWalker open-pitmineof the Kerr-McGeeCorpo-...Location map of Shirley Basin, shoxving various mine locations. 32 KENNETH R. LUD[VIG Sampling procedures...Disseminatedpitchblendeore samples:The samples of disseminated pitchblende ore (Tables 6, 7) ALTERED were collectedby |  | | Journal (article/letter/editorial) | | meteoricin origin) in Mesozoicsedimentsof the Colorado Plateau area were reducedby anerobic bacteria...depositsin the Monticello mining district, San Juan County, Utah. The Sa2/Sa4 ratios of these sampleswere... pyrite North Formation Montrose County, Colorado Star mine: mineralized sandstone --23.0 Gypsum...Gypsum Valley District, San Miguel County, pyrite Colorado Pitchfork mine: sulfide from sheared zone --41... Thomsons District, Grand County, Utah pyrite-marcasite Little Eva mine: pyrite as interstitial material |  | | Report (issue) | | GATE CANYON AND RALSTON CREEK AREAS JEFFERSON COUNTY, COLORADO This report concerns work done on behalf...CANYON AND RALSTON CREEK AREAS, JEFFERSON COUNTY, COLORADO By J. W. Adams, A. J. Gude 3d, and E. P. Beroni...CANYON AND RALSTON CREEK AREAS, JEFFERSON COUNTY, COLORADO By J. W..Adams, A. J. Gude 3d, and E. P. Beroni................ North Star mine......................... Schwartzwalder mine (Ralston Creek)...... Nigger...2. 3. 4. 5. 6. 7. 8. 9. Index map of central Colorado ............................................. |  | | Journal (article/letter/editorial) | | hydrothermal vein-type U-deposit from Marshall Pass, Colorado, USA Artur P. Deditius, Satoshi Utsunomiya, Rodney...Michigan, 1100 N. University, Ann Arbor, MI 48109-1005, USA Received 22 January 2007; accepted in revised form...hydrothermal vein-type U-deposit in Marshall Pass, Colorado, has been examined by electron microprobe analysis...of As in uraninite from the widely cited Nopal I mine (Janeczek et al., 1996; Finch and Murakami, 1999)...nuclear fuel. Uranium deposits in Marshall Pass, Colorado, were chosen for the present study because the |  | | Report (volume) | | Central City district, Colorado, from which about 300 tons of high-grade pitchblende concentrates were produced...Silver Cliff mine, Wyoming; the Jesse D No. 1 and No. 2 claims, Utah; and the Merry Widow mine, New Mexico...Schwartzwalder (Ralston Creek) and Los Ochos mines, Colorado; the Early Day and Buckhorn claims, Nevada; the...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 |  | | Report (volume) | | Geology of the Copper King Uranium Mine Larimer County Colorado GEOLOGICAL SURVEY BULLETIN This report... Geology of the Copper King Uranium Mine Larimer County Colorado By P. K. SIMS, GEORGE PHAIR, and R....DEPOSITS, CLEAR CREEK, GILPIN, AND LARIMER COUNTIES, COLORADO GEOLOGICAL SURVEY BULLETIN 1032-D This report...History and production____________ ._______________ Mine workings___ ______________.__ _ _ Rock units___..._______________ Age and origin -__________._______________ Pitchblende deposit_______________._______________ Copper |  | | Report (issue) | | for Uranium with Conifers-Results from the Midnite Mine Area, Washington By J. Thomas Nash and Frederick...Contamination Uranium concentrations 1n needles across the mine area Uranium in fir needles Uranium in pine cones...Figure 1. Location of the Midnite uranium mine, Stevens County, Washington 2 2. Location of pine-needle... Location of needle samples, Midnite mine area, Stevens County, Washington 10 21 Table Table 1. Analytical...needle, cone, and duff samples from the Midnite mine area 13 Blogeochemical Prospecting for Uranium |  | | Report (issue) | | Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others GEOLOGICAL SURVEY PROFESSIONAL...Mineralogy ______________________ - ___ ---- ___ --Pitchblende _______________________________ _ Texture __...Chemical composition of pitchblende __·___ _ ~in or elements in pitchblende ___________ _ Torbernite...____________ _ 4 Paragenetic relations of pitchblende to the common vein-forming minerals ______________________...____________________________ _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher |  | | Report (volume) | | Control of Certain Pitchblende Deposits in Golden Gate Canyon, Jefferson County Colorado GEOLOGICAL SURVEY...Control of Certain Pitchblende Deposits in Golden Gate Canyon, Jefferson County Colorado By JOHN W. ADAMS...deposit_______-__----_---_---__--___------------Discussion of pitchblende deposition___-____-____-___-__---_--_-_--_Conclusions...section of the Union Pacific deposit, Jefferson County, Colo__----____----_--_--_--_--_- In pocket 12...___ Faces 199 FIGURE 45. Index map of central Colorado showing location of Golden Gate Canyon and Ralston |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 7 Box Elder County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 10 Cache County . . . . . . . . . . . . . . . . . . . . . . . |
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