 | | Report (issue) | | THE WOOD AND CALHOUN MINES CENTRAL CITY MINING DISTRICT GILP1N COUNTY, COLORADO By F.B. Moore and C.R. Batter...AT THE WOOD AND CALHOUN MINES CENTRAL CITY MINING DISTRICT, GILPIN COUNTY, COLO. By F. B. Moore and C....AT THE WOOD AND CALHOUN MINES CENTRAL CITY MINING DISTRICT GILPIN COUNTY, COLO. CONTENTS Page Page Abstract........................ Mine descriptions............................ Wood mine .. ......................bodies ........................ Mine descriptions Continued Wood mine Continued Suggestions for exploration |  | | 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...group_________________________________________ Gold Hill district_ __ _____ _____ __ __ __ __ ____ __ ____ |  | | Journal (article/letter/editorial) | | PITCHBLENDE- BEARING VEINS, CENTRAL CITY DISTRICT, GILPIN COUNTY, COLORADO • PAUL K. SIMS CONTENTS...sulfide-bearingquartz veins in the Central City district, Colorado,within the mineral belt of the Front...pressures. They consistmainly of pyrite, sphalerite,and galena in a quartz gangue,but also contain tennantite...quantitativemineralogy, and they can be classifiedas pyrite-typeand galena-sphalerite-type veins. Publication...mineralization, from oldest to youngest: a uranium stage, a pyrite stage, and a base-metal stage. Major periods of |  | | 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 Russell Gulch...____________________________ _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher |  | | Report (volume) | | The most important were those in the Central City district, Colorado, from which about 300 tons of high-grade...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 (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 (issue) | | GEOLOGY, 1914. GEOLOGY OF THE PITCHBLENDE ORES OF COLORADO. By EDSON s. BASTIN. The large amount of public...mode of occurrence of pitchblende at Quartz Hill, in Gilpin County, Colo., is therefore published in advance...the fall of 1912. As the geologic relations at Quartz Hill differ in important particulars from those at...sandstones of the high plateau regions of southwestern Colorado and southeastern Utah, in which the uranium occurs...in certain mineral veins of Quartz Hill, near Central City, Gilpin County, Colo. The mines from which |  | | Report (issue) | | CASSITERITE IN SAN DIEGO COUNTY, CALIFORNIA. By WALDEMAR T. SCHALLER. A small handful of cassiterite...crystals was found in the northern part of San Diego County, Cal. (fig. 22), in the spring of 1915, and the...showing position of cassiterite locality in San Diego County, Cal. The rectangle indicates the gem tourmaline...tin ore in place previously known in San Diego County. These are as follows: F. J. H. Merrill 1 has stated...of Laguna Mountain, in the southern part of the county. Additional reported occurrences are in Pine Valley; |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar |  | | Report (issue) | | thorium or rare-earths minerals_ Brannerite-bearing quartz or siliceous veins _______ _ Davidite-bearing veins...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 |  | | 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) | | 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 | | 4 Gilpin county, Colorado 5 Cornwall, England 9 Joachimsthal, Bohemia Carnotite in Colorado and...as a piece of hardness Its The 9' 7. it is quartz, limestone, or granite of equal size. The greasy...pegmatite consists of very coarsely crystallized and quartz feldspar; in some places feldspar predominates...uranium- minerals are and phosphate. The gouge to quartz. carry uranium found throughout the dyke it may...treated. Gilpin County, The Colorado. following description of the pitchblende deposits Quartz hill, Gilpin |  | 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) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals of wide distribution, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...Indianapolis. Iowa.............. Prof. George F. Kay, Iowa City. Kansas............Prof. Erasmus Haworth, University |  | | Journal (issue) | | 00 Grune rite Now Added to the Franklin-Sterling Hill Mineral List John Cianciulli, Curator Franklin Mineral...locality); Japan; Norway; South Africa; Sweden; England; USA: Arizona, Massachusetts, Michigan, Minnesota, Missouri...in 1963 I have had an interest in the Terlingua district mercury minerals but because many of them selfdestruct...microscopic crystals. Most of them come from the Mariposa mine which was the original town site for Terlingua....miles eastward to be near the Chisos mine after the Marfa Mariposa mining company shut down in 1910 (Ragsdale |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction..._ Igneous rocks _____________________________ _ Quartz monzonite gneiss ________________ _ Granite gneiss...gneiss and gneissic aplite ________ _ Quartz diorite and associated hornblendite_ Boulder Creek granite |  | | Report (volume) | | Bulletin, vol. 46. New York. American Institute of Mining Engineers: Bulletin, nos. 85-96; Transactions,...4th ser., vols. 37, 38. New Haven, Conn. American Mining Congress: 16th Ann. Session; Report of Proceedings...pp. 15-160. San Francisco, Cal. California State Mining Bureau: Bulletin, nos. 65, 66, 67. San Francisco...Report for 1912 and for 1913. Ottawa, Ont. Canadian Mining Institute: Bulletin, nos. 21, 23-25; Monthly Bulletin...26-32; Transactions, vol. 16. Ottawa, Ont. Canadian Mining Journal, vol. 35. Toronto and Montreal, Canada |  | | Journal (article/letter/editorial) | | LaramideMagmatic and HydrothermalActivity near Central City, Colorado A. P. DICKIN, Scottish Universities Research...hydrothermalminerals from the Central City and Idaho Springsminingdistricts,Colorado,have been analyzedfor Sr...mantle-derived componentcannotbe ruled out. The more evolved quartz bostonitesdisplayassimilation processes during...hydrothermalactivity. Low initial ratios foundin sericite,pyrite, and fluoritefrom early andlate molybdenitestagesindicatea... Introduction THE Central City and Idaho Springsmining districts of the central Front Range (Fig. 1) |  | | Report (volume) | | Geologists: Bulletin, vol. 2. American Institute of Mining Engineers: Bulletin, nos. 133-144; Transactions...nos. i-7. San Francisco, Calif. California State Mining Bureau: Bulletin, nos. 76-78, 82, S3; Preliminary...Ont. Canadian Mining Institute: Monthly Bulletin, nos. 69-80. Ottawa, Out. Canadian Mining Journal, vol...Pittsburgh, Pa. Coal Age, vols. 13, 14. New York. Colorado School of Mines: Magazine, vol. 8; Quarterly,...no. 4; vol. 34, nos. 1-3. Chapel Hill, N. Cl Engineering and Mining Journal, vols.. 105, 106. New York |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals that are widely distributed, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Report (issue) | | OF THE WHITEPINE AREA, TOMICHI MINING DISTRICT, GUNNISON COUNTY, COLORADO by Charles S. Robinson This...Princeton quartz monzonite . ... 4 .......... 53 Dikes. ......................... 64 Quartz monzonite...monzonite porphyry and quartz latite porphyry dikes ................ 65 Rhyolite porphyry and pitchstone porphyry...of the ore depoait* ..............*...... 143 Mine* and prospect* ......................... 147 Akron...David H. 170 ............................. Denver City ........................... 172 Erie ....... |  | | Report (issue) | | the auspices, first of the Manhattan Engineer District, and later, the U. S. Atomic Energy Commission...Section of the Geological Society of America at Rapid City, S. Dak., on April 13, 1951. They are, consequently...mineral belt, Colorado...... 11 Sections showing depth of pitchblende deposits, Colorado ...............Juab County, Utah ......................... 15 Geologic map and section of the Burlington mine, Jamestown...Geologic maps of the Fluorine Queen property, Juab County, Utah............................ .17 Chart showing |  | | Report (issue) | | Metallurgist MARK EHLE, Mining Engineer J. B. TENNEY, Geologist G. R. FANSETT, Mining Engineer R. E. S. HEINEMAN..."The Geology and Mineral Deposits of Southern Yuma County" is the most pretentious bulletin of the kind that...in many parts of the county, it has not been easy to prospect southern Yuma County at all thoroughly, but...___________________ _______ ___________ ___ __ ___ Colorado River________________________________ ______ ____...__________ . __ .____ _____ ______ __. General mining history_______________________ __________ ._______________ |
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