 | | 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...they can be classifiedas pyrite-typeand galena-sphalerite-type veins. Publication authorized by the Director...concentric zonal arrangement of the ores in the district. In contrast, the uranium stage of mineralization |  | | 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 (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 (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) | | 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 |  | | 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) | | 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; |  | | 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) | | 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) | | . 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 (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 |  | | 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 |  | | 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... Introduction THE Central City and Idaho Springsmining districts of the central Front Range (Fig. 1)...for their preciousmetal mineralization(Bastinand Hill, 1917; Simset al., 1963a) but haverecentlybeen interpretedasthe |  | | 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 |  | | 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) | | INTERIOR GEOLOGICAL SURVEY The Gladiator Mine, Lake City, Colorado: The mineralogy and paragenesis of an...standards and stratigraphic nomenclature. Denver, Colorado CONTENTS Abstract............................................................... Geology and mine workings..........................................Lake City area, showing the location of some of the more prominent mines in Lake Mining district........Generalized geologic map of the Gladiator Mine Lake City, Colorado...................................... |  | | Journal (article/letter/editorial) | | with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...2. Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted...view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded |  | | 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 |  | 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) | | depth__________ Precipitates from mine waters under superficial conditions_ Composition of mine waters of the Jopliu-region___________...Arizona__________________________ 208 Note on the Bisbee district, Arizona, by F. L. Ransome_ 209 Globe and Miami...Mexico____________________ 22J Burro Mountain district, New Mexico_____________ 222 , Cananea, Mexico...__ 233 Shasta County, California______ _ __ 234 Snowstorm lode, Coeur d'Alene district, Idaho__ _ 235...235 Encampment district, Wyoming_____________;___ 236 Ducktown, Tennessee______________________ Gossan |  | | Report (issue) | | the. Leadville, Colorado, mining district. Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...__________________ Silver Plume(?) granite__ _______ _________ Quartz-mica diorite_____________________ 1 1 I 1 2 2...__ Iowa Gulch porphyry _______-__-__-_-___-___ Quartz diorite porphyry. ________-_-_-_---___ Age relations...Quaternary (?) igneous rocks____ _______ Little Union quartz latite_------_---------__Rhyolite and rhyolite |
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