 | | Report (volume) | | Deposits in the Eureka Gulch Area Central City District Gilpin County Colorado GEOLOGICAL SURVEY BULLETIN...Deposits in the Eureka Gulch Area Central City District Gilpin County Colorado By P. K. SIMS, F. W. OSTERWALD...AND ORE DEPOSITS OF CLEAR CREEK, GILPIN, AND LARIMER COUNTIES, COLORADO GEOLOGICAL SURVEY BULLETIN ..._ ________________ _ _ _ _ _ ___ _ _ ___ Bullion mine«,_____________ _ _ _ ______ _ __ _ __ __ Carroll..._______________ _ ____ __ _ Claire Marie mine_________________ _ _ _ ________ _ ___ ___ Rara Avis mine... _____________ |  | | 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...__________ - ___ - ________ -----------Central City district _____________________ ------Quartz Hill-upper...____________________________ _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher |  | | 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- |  | | Journal (article/letter/editorial) | | OF THE GEOCHEMISTRY OF SPHALERITE, CENTRAL CITY DISTRICT, COLORADO P. K. SIMS AND P. B. BARTON, JR. with...as a part of a larger study of the Central City district, Colorado,have been undertakento learn somethingof...uentof the gold- and silver-rich veins of the district. It was depositedduring one stage of mineralization...environmentsof the concentricallyzoned district except in the core. On a district-wide basis it occurs in three...have random correlations. The iron contentof Central City sphaleriteis interpretedto be mainly a function |  | | 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) | | 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 |  | | 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 |  | | 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 |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted |  | | Journal (article/letter/editorial) | | Analysis of Hetero-Trimer Fractions Formed by Montmorillonite Catalysis in the Reaction of Binary Monomer...Biological Sciences University of Maryland, Baltimore County k3@umbc.edu Wendy Zhu Stephen Freeland Department...Biological Sciences University of Maryland, Baltimore County Geophysical Laboratory Carnegie Institution of...Research Center Model studies demonstrated that montmorillonite, a dioctahedral member of smectite clays, catalyzes...depending on their sequence. This indicates that montmorillonite 250 6084_12_abs_p247-285 3/14/06 4:00 |
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