 | | 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 |  | Sheridan, Douglas M., Maxwell, Charles Henry, Albee, Arden Leroy, Van Horn, Richard (1967) Geology and uranium deposits of the Ralston Buttes district, Jefferson County, Colorado, with sections on Paleozoic and younger sedimentary rocks. Professional Paper 520. US Geological Survey doi:10.3133/pp520 | Report (issue) | | U raniurn Deposits of the Ralston Buttes District Jefferson County, Colorado By DOUGLAS M. SHERIDAN, CHARLES...veins on the of the Front Range west of Denver district flank of the geology of a east UNITED STATES...___________________________________ _ Rocks of the district ____________________________ --· __ Precn.mbrian...Jurassic ________ -- ___ - ________________ _ Ralston Creek Formation ___________ _ Morrison Formation...43 43 43 44 45 45 47 49 50 Page Rocks of the district-Continued Laramide intrusive rocks _______________________ |  | | Report (issue) | | Alteration and Vein Mineralization, Ladwig uranium mine, Jefferson County, Colorado by Alan R. Wallace Open-File...••••••••••••••••••••••••••••• 4 Geology of the Ladwig Mine ••••••••••••••••••••••••••••••••••••••••••••••••...geologic map of Foothills region, Colorado Front Range, showing location of Ladwig mine ••••••••••••••••• 3 ... 2. Geology in the vicinity of the Ladwig mine ••••••••••••••••••••• 7 3. Geology of the western part...••••••••••••••••• 8 4. Sketch of fault development in Ladwig mine •••••••••••••••••••• 14 5. Schematic section |  | | Report (issue) | | THE GOLDEN GATE CANYON AND RALSTON CREEK AREAS JEFFERSON COUNTY, COLORADO This report concerns work...THE GOLDEN GATE CANYON AND RALSTON CREEK AREAS, JEFFERSON COUNTY, COLORADO By J. W. Adams, A. J. Gude...THE GOLDEN GATE CANYON AND RALSTON CREEK AREAS, JEFFERSON COUNTY, COLORADO By J. W..Adams, A. J. Gude...property....................... Ladwig No. 1 ........................... Ladwig No. 2 .......................Gate Canyon area Continued Ladwig No. 3 ........................... Ralston Creek area............... |  | | Report (issue) | | Schwartzwalder uranium deposit, Front Range, Colorado by W* Alan R., Wallace 1 U.S. Geological Survey...uranium deposit, in the Front Range west of Denver, Colorado, is the largest vein-type uranium deposit in the...flow related to igneous activity in the nearby Colorado mineral belt. Temperatures decreased from 225°C...species, thereby leading to the precipitation of pitchblende. ACKNOWLEDGMENTS I wish to express my warmest...enhanced my understanding of the mines in the district. This manuscript has benefitted from critical |  | | 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 (volume) | | the Central City district, Colorado, from which about 300 tons of high-grade pitchblende concentrates were...Marysvale, Utah; the Schwartzwalder (Ralston Creek) and Los Ochos mines, Colorado; the Early Day and Buckhorn...deposits in the Dripping Spring quartzite, Gila County, Ariz. According to Nininger (1954, p. 43), as...areas in Saxony; the Beaverlodge district, Canada; the Cornwall district, England; the Guarda and adjacent...States except for some in the Central City district, Colorado were discovered since the mid-1940's. The |  | | Journal (article/letter/editorial) | | PROTER¸Z¸IC COMMUNICATIONS ORIGINS OF URANIUM THE COLORADO FRONT MINERALIZA RANGE TICIN IN CARLE. NELSON*ANDJAMESR...deposits, uranium-bearing fluorite al., 1967). Pitchblende and coffinite from the Fair veinsand breccias;...uraniumhavebeenproducedfrom high-gradevein-typedepositsin the Colorado Front Range (Table 1). However, of the 25 occurrences...Presentaddress:Cimarron ExplorationIncorporated,Lakewood, Colorado 80228. backgrounduraniumcontentsof up to 8 ppm...enriched in cobalt, nickel, silver, arsenic, thorium, Ladwig 9,500 0.25 and molybdenum(Byers,1978;J. A. Paschis |  | | 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 |  | | Journal (article/letter/editorial) | | sulfidesdominatedthe vein min- eralogyafterdeposition of pitchblende. Progressively lowerfixsovaluesin veincarbonates...ganguemineralswere depositedin sulfidefragmentsareenvelopedby pitchblende(Fig. the Rogersand preore Illinois faultsand...Fragmentof stageI pyrite coatedwith stageHb pitchblende(light gray) and chalcopyrite(lightest gray),...Bladedintergrowthof Fe-AsMo-S sulfide(light gray on left) and pitchblende(mediumgray);both are from stageHb. Bladedint...alternate. The Fe-Mo-As-Smineral is associatedwith pitchblende,whichaccountsfor the positive correlation between |  | | Report (issue) | | Ontario..............................45 Bancroft district................................................................................61 Beaverlodge district.............................................61............... 65 27. Map of the Front Range, Colorado, showing location of principal uranium deposits...........4 2. Uranium deposits of the Bancroft district.......................48 3. Distribution of western...formation (itabirite) (Dorr, 1973). The Elliot Lake district, Ontario, lies in the BIF trend, but stratigraphic |  | | Report (volume) | | estimates for uranium-vanadium deposits on the Colorado Plateau, by A. L. Bush and H. K. Stager__ __ ___...Marquette County, Michigan, by R. C. Vickers. --(G) Wall-rock control of certain pitchblende deposits...deposits in Golden Gate Canyon, Jefferson County, Colorado, by John W. Adams and Frederick Stugard, Jr_________________________...uranium deposits in the Red Desert, SweBtwater County, Wyoming, by Donald G. Wyant, William N. Sharp...in oolitic limestone near I /Tayoworth, Johnson County, Wyoming, by R. R. Guilinger and P. K. Theobald |  | | 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 |  | | Book | | individual deposits or districts. (in brackets country, district, deposit reviewed): Adamek P. (Scandinavia), Adams...(South Africa, Namibia), Chenoweth W. (Colorado Plateau, USA), Coste A. (Limousin, France), Cuney M....Grauch R (western USA), Gautier A. (breccia pipe deposits, USA), Halladay Ch.R (eastern USA), Harshman E.N...N. (Wyoming Basins, USA), Hruby J. (CSFR), Kolb S. (Bavaria, W-Germany), Krol W. (Eastern Europe), Matos... N.M., USA), Smith RB. (South Texas, USA), Tan H.B. (Canada), Thamm J. (Colorado Plateau, USA), Tauchid |  | | Report (issue) | | SURVEY Papers presented April 27-28, 1977, at the Colorado School of Mines, Golden CIRCULAR 753 United...Conference was held April 27 and 28, 1977, at the Colorado School of Mines, Golden. This was the second conference...writing to Box 25046, Denver Federal Center, Denver, Colorado 80225. Authors stationed in Reston, Virginia,...uranium into deposits of the Midnite mine, Stevens County, Washington, by J. Thomas Nash Conceptual-mathematical...48 Thinning of the Fox Hills Sandstone, Crook County, Wyoming A possible guide to uranium mineralization |  | | Report (issue) | | Description of a selected deposit: The Canyon deposit (USA) ..................... 241 3.9. 3.10. 3.11. ...262 Sandstone-hosted roll-front deposits in the USA ...................................................partial melting, such as pegmatites (Bancroft district and Charlebois Lake, Canada); (b) Disseminations...Zaire); Jachymov (former Czechoslovakia); Limousin district (France)); (ii) Deposits associated with ‘old’...(Proterozoic quartz-pebble conglomerates) (Blind River district (Canada); Witwatersrand Basin (South Africa)); |  | | Report (issue) | | includes the deposit or occurrence name, the mining district, the tectonic setting, the geological type...Field Engineering Corporation in Grand Junction, Colorado and published by the U.S.DOE [I]. The programs...database was developed in 1984 for the data from the USA and has proven to be more accessible to the geologist...thé United States of America Data recorded for the USA was largely derived from the U.S. Department of Energy...These reports make up the bulk of the data from the USA. Annex XI shows the location of the evaluated quadrangles |  | | Book | | SEMINAR IIL Colorado School of Mines Digitized by the Internet Archive in 2022 with funding from Kahle/Austin... [uranrum RESOURCE/ TECHNOLOGY Ss SEMINAR Colorado School March III of Mines, 10-12, Golden...1980 Colorado School of Mines Published by Colorado School Pulications Center Golden, Colorado 80401...sc ce ee cas dese Saeed ues Mining and Milling, Issues; s A, Colorado Paul Viewpoint, B. Smith ...TINY os a thas Aiea mnuonconventional SIME TTI Mining and The .....0..... ae Law, Ann So aN 263 |  | | Journal (issue) | | 25 LETTERS TRUE OR FALSE NEWS FICTION URANIUM MINING LAPIDARY HOBBY COMMENT BOOKS . 24 By EDMUND...Rock Shorty of Death Valley 31 Progress of the mining boom 35 Current news of desert mines 39 Amateur...accumulating a vast store of new magion in Wayne County. He had gone spare limited sums from his own bud-...that shadowy gorge it deposits itself in the old mining camp of Jarbidge—population 23. NOVEMBER, 1955...rows of faded log cabins built during the gold mining boom days of 40 years ago. I hope your visit falls |  | | Book | | and Sherman P. Marsh 775 Electrical Methods in Mining Geophysics.Gerald W. Hohmann and Stanley H. Ward...making a profit. Initially incorporated in the District of Columbia, the Publishing Company was reincorporated...With the engineering and commercial aspects of mining, Economic Geology will not be directly concerned...06520 Paul K. Sims U. S. Geological Survey Denver, Colorado 80225 Economic Geology 75th Anniversary Volume... . The main period of ore deposition within a district seems to represent a relatively short time span |  | | Report (issue) | | ______________Department of the Interior DOMES ___Deep Ocean Mining Environmental Study DSDP _____________Deep Sea...MINERAL-RESOURCE ASSESSMENTS Kaolin in the Macon-Gordon district, Georgia Based on geologic mapping and work done...estimated that the kaolin resources in the MaconGordon district, Georgia, are probably 1.5 billion to 2 billion...This difference in properties permits selective mining to meet varying product specifications. dicate...studies of the Square Butte Wilderness Area, Choteau County, Montana Studies by M. D. Kleinkopf of the large |  | | Report (volume) | | ______________Department of the Interior DOMES ___Deep Ocean Mining Environmental Study DSDP _____________Deep Sea...MINERAL-RESOURCE ASSESSMENTS Kaolin in the Macon-Gordon district, Georgia Based on geologic mapping and work done...estimated that the kaolin resources in the MaconGordon district, Georgia, are probably 1.5 billion to 2 billion...This difference in properties permits selective mining to meet varying product specifications. dicate...studies of the Square Butte Wilderness Area, Choteau County, Montana Studies by M. D. Kleinkopf of the large |  | | Book | | this pitchblende ( O H ) ] ^ , or t h e h y d r o u s o x i d e , U 0 2 process. 3 pitchblende The...economic in U.S.S.R. (Zubov and These contain pitchblende-bearing asphaltite (anthraxolite, etc.) chalcopyrite...r s e n i d e s ( H e r b o s c h , 1974). pitchblende, copper It s h o u l d a l s o b e e m p h...deposits are primary (endogene) uraninite (pitchblende), davidite, brannerite, absite, coffinite, and...thorite, In uraninite, most various granitic, pitchblende, and c o f f i n i t e a r e p r e c e d e |  | | Book | | IN THE MINING INDUSTRY This Page Intentionally Left Blank APPLIED MINERALOGY IN THE MINING INDUSTRY...nl). by selecting "Obtaining Permissions". In the USA. users may clear permissions and make payments through...Data Petruk, W., 1930Applied mineralogy in the mining industry / William Petruk.-- 1st ed. p. cm. Includes...dedicated mineralogist is essential at most large mining operations; a person who performs applied mineralogy...world-wide, including Prof P. King, Salt Lake City, Utah, USA, the late Prof G. Barbery, Laval University, Quebec |  | | Book | | Truran, Jr. and A. Heger University of Chicago, IL, USA 1.01.1 INTRODUCTION 1.01.2 ABUNDANCES AND NUCLEOSYNTHESIS...K. Zinner Washington University, St. Louis, MO, USA 1.02.1 INTRODUCTION 1.02.2 HISTORICAL BACKGROUND...P. Boss Carnegie Institution of Washington, DC, USA 1.04.1 INTRODUCTION 1.04.2 FORMATION OF THE SOLAR...Scott University of Hawaii at Manoa, Honolulu, HI, USA and M. K. Weisberg Kingsborough College of the City...City University of New York, Brooklyn, NY, USA 1.05.1 INTRODUCTION 1.05.2 CLASSIFICATION OF CHONDRITIC |
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