 | Alford, Lee, Gysi, Alexander P., Hurtig, Nicole C., Monecke, Thomas, Pfaff, Katharina (2020) Porphyry-related polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry. Ore Geology Reviews, 119. 103295 doi:10.1016/j.oregeorev.2019.103295 | Journal (article/letter/editorial) | | polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...polymetallic AuAg vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden...submitted to Ore Geology Reviews 1 ABSTRACT The Colorado Mineral Belt is a ~500 km long segment of calc-alkaline |  | | Report (volume) | | Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I o 00...of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH and...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________...___________---______^_______________________ Relation of silver-gold ratios to zonal pattern _________________...pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |  | | Report (issue) | | in the Central Part of the Front Range Mineral Belt Gilpin and Clear Creek Counties. Colorado GEOLOGICAL...in the Central Part of the Front Range Mineral Belt Gilpin and Clear Creek Counties, Colorado By E. W...in the central part of the Front Kange mineral belt, Gilpin and Clear Creek Counties, Colorado. Washington...in the central part of the Front Range mineral belt, Gilpin and Clear Creek Counties, Colorado. 1963.... Geology Colorado Front Range. 2. Petrology Colorado Front Range. 3. Ore deposits Colorado. 4. Mineralogy |  | | Report (issue) | | Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions and Kapa By...Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front Range...discovered in Idaho Springs and lode gold in Central City, through 1959, ores valued at about $200 million...north, west, and southwest. The adjacent Central City district, which produced ores valued at more than...clearly the most important district in the mineral belt The Idaho Springs district from 1860 to 1959 produced |  | | Journal (article/letter/editorial) | | THE OF ECONOMIC NOVEMBER, GEOLOGISTS 1985 Central City, Colorado'The Upper Part of an Alkaline Porphyry...brecciapipethatoccursat the intersection of theDory Hill faultandtheIdahoSprings-Ralston shearzone.Strea...author that molybdeniteis more commonin the Central City and north Idaho Springsminingdistricts(Fig....Previousstudieshave recognizedfour stagesof mineralizationat Central City, listedin order of apparent decreasingage: (1)...concentriczoneswhich extend from the Central City districtto includemuchof the central Front Range (Simset al., 1963b) |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...Center, Rm. 1C402,12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105,125 South State St...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Replacement Deposits Part I Bald Mountain Gold Mining Region, Northern Black Hills, South Dakota By JAMES...the Park City Mining District, Utah By CALVIN S. B ROM FIELD Gold in the Eureka Mining District, Nevada |  | | 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) | | THE PATCH AND GOLD CUP BRECCIA PIPES, CENTRAL CITY, COLORADO PAUL G. S?•tY Departmentof Earth Sciences...Pipes The Central City area, Colorado, has been the mostproductivepreciousmetal district in the Front...shownthat there are at least four pipe in the Central City district (Fig. 1). The intrudifferent types of mineralizationin...telluride mineraliza- et al., 1963). tion in the Central City area may be genetically Recent diamonddrilling...the Banta Hill tendsfor up to 400 m and to depthsof 200 m (Fig. pluton 3.2 km southeastof Central City |  | | 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) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...Center, Rm. 1C402,12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105,125 South State St...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Part II Geology and Gold Deposits of the Oatman District, Northwestern Arizona By ED DEWITT, JON P. THORSON...Marysville Mining District, Montana By JAMES W. WHIPPLE Gold Deposits of the Boulder County Gold District |  | | Report (volume) | | CHARLES D. WALCOTT, DIRECTOR A GAZE~?TEER OF COLORADO BY HEN.R Y GANNETT WASHINGTON GOVERNMENT PRINTING... _A GAZETTEER OF COLORADO. By HENRY ' GANNET,T. GENERAL DESCRIPTION. Colorado is_situated about midway...GAZETTEER OF COLORADO. through the Park Range on its way to join Green River, forming the Colorado. Middle...Mexico, the San Juan flo wing westward to the Colorado, and many branches of Gran9. and Gunnison rivers...plateau region is drained entirely by tributaries of Colorado River. The higher of these plateaus are well watered |  | | Journal (volume) | | Mil' i I ';> ?mii Wmmh 11181 \ lMINING / DEPAfiTtriEiT Of Library Numbrr; M / Return...SD^al loan. / permJssie INDEX TO) VOLUME Mining and I imiin n ni 1920 it^!/f/vt n nun t...161 Science and industry. Allen, A. moving from mine-hoists Signaling Allen, C. A 232 cages 645 Allis-Chalmers...Consolidated Gold Fields of South 881 Africa 747 American Mining Congress Editorial. 752. 790, 826 Ditto 215 Co...book review Assaying methods at the Globe & Phoenix mine 4 51 H. R. Edmands. 108 Association of Accountants |
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