 | | Report (volume) | | Geology of Uranium Deposits in the Front Range, Colorado By P. K. SIMS and D. M. SHERIDAN With sections...______________ Boulder CountY----------------------------------~-----------Jamestown district_______...IV Description of principal mines-Continued Boulder County-Continued Other areas __________________________...Moore______________________________ Clear Creek CountY------------------------------------------Idaho...__________ ------_____________________ 71 72 Gilpin CountY-----------------------------------------------Central |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...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...District, Colorado By JAMES A. SAUNDERS Part I is Chapter H U.S. GEOLOGICAL SURVEY BULLETIN 1857 GEOLOGY |  | | Report (issue) | | CIRCULAR 215 URANIUM IN THE METAUMINING DISTRICTS OF COLORADO UNITED STATES DEPARTMENT OF THE INTERIOR Douglas...SURVEY CIRCULAR 215 URANIUM IN THE METAL-MINING DISTRICTS OF COLORADO By R. U. King, B. F. Leonard, F. B....Washington 25, D. C. URANIUM IN THE METAL-MINING DISTRICTS OF COLORADO By R. U. King, B. F. Leonard, F. B....showing the distribution of uranium deposits in Colorado. Relation of pitchblende deposits to bostonite...bostonite dikes in the Front Range mineral belt, Colorado .......................... Relation of pitchblende |  | | Report (issue) | | oresofo0000kell Telluride Ores of Boulder County, Colorado The Memoir Series of The Geological...America, Inc. Memoir 109 Telluride Ores of Boulder County, Colorado WILLIAM C. KELLY EpwINn N. GODDARD Department...SOCIETY OF AMERICA, INC. Colorado Building, P.O. Box 1719 Boulder, Colorado 80302 Printed in the United...assembling a representative collection of the Boulder ores. Dr. T. S. Lovering of the U.S. Geological...and numerous ore samples were donated by local mining men, particularly Fred Dopp, H. M. Williamson, |  | | Report (issue) | | Washington FLUOBSPAR FLUOESPAR DEPOSITS OF THE JAMESTOWN DISTRICT, "ROT.ir.nER ~~~ " -----I/ By Ehf/Goddard...20 1960 )} The James tovm district, in the central part of Boulder County, Colo., 33 miles northwest...the mining 'of fluorspar has been strongly revived. Fluorspar was apparently known in the district as...of acid grade fluorspar were shipped from the district. In the last 2 years, 19U2-H3, the operators report...were mined in the district and treated in local or nearby mills, The Jamestown district is in the foothills |  | | Journal (article/letter/editorial) | | alkaline-related gold deposits in the southern Rocky Mountains, USA: in¯uence of regional tectonics Received: 5 January...Ma), with deposits restricted spatially to the Colorado mineral belt (CMB). Other alkaline igneous rocks...Mountain front southward, from Cripple Creek in Colorado through New Mexico. All of these deposits are...through hydrously altered LREE-enriched rocks of the Colorado (Yavapai) province have 208Pb/204Pb ratios that...anomalously hot, thick, and light crust beneath Colorado may have been a catalyst for large-scale transfer |  | | Report (issue) | | deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent feature...86 percent of the districts in Nova Scotia. Chalcopyrite was "very minor" in the Mother Lode (Knopf,...Victoria (Junner, 1921). Hotz (1971) reports that chalcopyrite was uncommon in deposits of this type in the...statements found in the literature for an area or district do not differentiate between mineral abundance...tracked data on pyrite, arsenopyrite, galena, chalcopyrite, sphalerite, pyrrhotite, stibnite, galena, calcopyrite |  | | 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..._ Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite..._____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property _____________ _ Malachite |  | | Report (issue) | | Babe RIAREAN Shae YE ULUe ULUNIVOIIT oni BOULDER, COLO, NO sections PRICEL tLe y eg Digitized...org/details/fluorspardeposito00Oharr COLORADO GEOLOGICAL SURVEY BOULDER R. D. GEORGE, State Geologist ... BULLETIN 18 FLUORSPAR DEPOSITS COLORADO By HARRY KAMES A. AURAND BROTHERS, STATE 1920 PRINTERS...-...- Governor of Colorado GEORGE UNORLING nee ee President University of Colorado VicCTOR Ct A LDERGONG...TRANSMITTAL. State Geological Survey, University of Colorado, April 29, 1920. Governor Oliver H. Shoup, Chairman |  | | Journal (article/letter/editorial) | | MINOR CHEMICAL ELEMENTS IN FLUORITES FROM JAMESTOWN, COLORADO Josnrn M. Bnev, LafayetteCollege,Eoston,Pennsylaania'...Drsrnrcr The Jamestown district is located in Boulder County, Colorado, 10 miles northwest of Boulder, 35 miles...po@tltr Frc. 1. Geological sketch map of the Jamestown area, showing locations of samples. The writer...chemical elements in the igneousrocks of the Jamestown district. Tnr Fr,uonrrn DBposrrs Goddard (op. cit...filling of purple fluorite. Some pyrite, galena, chalcopyrite and coarse-grained quartz are also present. |  | | Journal (article/letter/editorial) | | OF TERTIARY ON FEATURES DEPOSITS AT JAMESTOWN, COLORADO. E. INTRODUCTION INTRUSIVE MINERAL N.... GeologicalSurvey, the Colorado State'Geological SurveyBoard,andthe Colorado Metal MiningFund. 2 Balk... MINERAL DEPOSITS AT JAMESTOI/VN, COLORADO. 371 settingof the district, an outline of both regionaland...ColoradoState GeologicalSurvey Board, and the ColoradoMetal Mining Fund. During this time, Mr. T. S. Lovering, of...few days eachmonth to supervisingthe work at Jamestown,and he has given the writer valuableadviceand |  | | Report (issue) | | Geochemical Maps of Stream Sediments in Central Colorado, from New Mexico to Wyoming Open-File Report... Cover: Overlooking North Fork Lake Creek and Colorado highway 82 east of Independence Pass, with Star... Geochemical Maps of Stream Sediments in Central Colorado, from New Mexico to Wyoming By Robert G. Eppinger...Geochemical maps of stream sediments in central Colorado, from New Mexico to Wyoming: U.S. Geological Survey.................. 1 Geologic Setting of Central Colorado.............................................. |  | | Journal (article/letter/editorial) | | International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very hard...played out on a daily basis in opening the Colorado mining frontier, however, are very much the stuff...generation had seen an Colorado showing the Colorado mineral belt and the location of the mining districts discussed...1940; Elliot West 1997, verbal com.). scope of this mining economy. There simply was no other ecoThe initial...of 1858 were nomic force to compare with that of mining during the first all made along streams on the |  | | Report (volume) | | Intrusive Rocks ana Associated Ore Deposits in the Colorado Mineral Belt U.S. GEOLOGICAL SURVEY BULLETIN... Alaska Rm. 101,4230 University Dr. LAKEWOOD, Colorado Federal Center, Bldg. 810 MENLO PARK, California...Intrusive Rocks and Associated Ore Deposits in the Colorado Mineral Belt By Charles G. Cunningham, Charles...understand the temporal and spatial evolution of the Colorado Mineral Belt UNITED STATES GOVERNMENT PRINTING...intrusive rocks and associated ore deposits in the Colorado Mineral Belt / by Charles G. Cunningham ... [et |  | | 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 |  | | Journal (article/letter/editorial) | | No.6 DEPOSITS OF RADIOACTIVE CERITE NEAR JAMESTOWN, COLORADO* Elwnr N. Gonoann aNn Jnwnu J. Gr-ass, IL...pre-Cambrian rocks of the Front Range near Jamestolvn, colorado. They are near the north border of a stock of...the Interior, the Colorado Geological Survey Board, and the Colorado Metal Mining Fund. 381 E. N,...Russia and in Canada. The deposits near Jamestown, Colorado, are thus the fifth known occurrenceand the...ago by CharlesMohr, an old prospector,of Jamestown,Colorado, in the pre-Cambrian complex of the Front |  | | Report (issue) | | the auspices, first of the Manhattan Engineer District, and later, the U. S. Atomic Energy Commission...mineral belt, Colorado...... 11 Sections showing depth of pitchblende deposits, Colorado ...............map and section of the Thursday property, Juab County, Utah ......................... 15 Geologic map...map and section of the Burlington mine, Jamestown, Colo. ............................ 16 Geologic maps...maps of the Fluorine Queen property, Juab County, Utah............................ .17 Chart showing chemical |  | | Journal (issue) | | 79 Articles Native gold from the Jamestown mine, Tuolumne County, California..........................Baranda Some pegmatite minerals from the Zomba district, Malawi ........................................Adularia from the Howard-Montgomery quarry, Howard County, Maryland .......................................Blanchard mine or other mines in the Hansonburg mining district near Bingham, New Mexico, should be advised...OF PHILIP RASHLEIGH, O r M ENAB1LLY, IN THE COUNTY OF C O R N W A LL, ESQ, M .P . F . R .S . AND F |  | | Journal (article/letter/editorial) | | , New Mexico; Jamestown, Colorado;Northgate,Colorado;Salida-Poncha Passarea, Colorado; ThomasRange,Utah;...laboratorywork wascompleted at the Universityof Colorado. PreviousWork.--The generaleconomicaspectsof ...especiallyworthy of note: Cox (9), Colorado;Van Alstine (47), Colorado;Rothrockand others(35), New Mexico;...Outstandingcontributionsincludethoseof Goddard (17, 18) on Jamestown,Colorado;Gillerman (14, 15) on the Eagle Mountains...43) on Northgate,Coloradoand St. Peter'sDome, Colorado;and Cox (10) on Meyers Cove, Idaho. Acknowledgments |  | Allaz, Julien, Raschke, Markus B., Persson, Philip M., Stern, Charles R. (2015) Age, petrochemistry, and origin of a REE-rich mineralization in the Longs Peak-St. Vrain batholith, near Jamestown, Colorado (U.S.A.) American Mineralogist, 100 (10) 2123-2140 doi:10.2138/am-2015-5253 | Journal (article/letter/editorial) | | the Longs Peak-St. Vrain batholith, near Jamestown, Colorado (U.S.A.) Julien Allaz1,*, Markus B. Raschke2...Geological Sciences, University of Colorado Boulder, 399 UCB, Boulder, Colorado 80309, U.S.A. Department of...of Chemistry, and JILA, University of Colorado, Boulder, Colorado 80309, U.S.A. 3 Department of Geology...Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, Colorado 80401, U.S.A. 2 Abstract...syenogranite Silver Plume-type intrusion near Jamestown, Colorado (U.S.A.). Irregular-shaped centimeter- to |  | Van Alstine, R. E., Worl, R.G., Heyl, A.V., Trace, R.D., Parker, R.L., Griffitts, W.R., Sainsbury, C.L., Cathcart, J.B. (1976) Geology and resources of fluorine in the United States. Professional Paper 933. US Geological Survey doi:10.3133/pp933 | Report (issue) | | Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11 . Zinc ore, Edwards , N . Y. 12. Manganese...Survey in accordance with the provisions of the Mining and Minerals Policy Act of 1970 (Public Law 91-631...discovered or not currently profitable to mine. The mining of mineral deposits, once they are discovered,...important types of fluorine occurrences-Continued Colorado-New Mexico-western Texas-southeastern Arizona........ Colorado...................................................................... Jamestown...... |  | | Journal (article/letter/editorial) | | (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...(right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen 2 by 2 inches;...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes in the isometric...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |  | | Report (issue) | | 322–9.374 X-ray Powder Pattern: Buckhorn mine, Colorado, USA. 2.763 (vvs), 2.390 (vvs), 3.739 (vs), 3.108...Total 100.1 100.21 100.00 (1) Buckhorn mine, Colorado, USA; by electron microprobe, average of seven analyses;...Pyrite, aikinite, tetradymite, calaverite, gold, chalcopyrite, covellite, bornite, chalcocite, galena, sphalerite...sphalerite, hematite (Buckhorn mine, Colorado, USA); pyrite, nagyágite, tellurobismuthite, altaite, galena...Montana, USA). Distribution: In the USA, from the Buckhorn Pb–Ag mine, 1.6 km northwest of Jamestown, Boulder | | | Report (issue) | | for Waters of the Harvard Open Pit, Jamestown Mine, Tuolumne County, California, March, 1998–September...Figure 1. Location map for Jamestown mine 3 Figure 2. Map of Jamestown mine site 4 Figure 3. Map... INTRODUCTION The Jamestown mine is located in the Jamestown mining district in western Tuolumne County, California...California (Fig. 1). This district is one of many located on or near the Melones fault zone, a major regional...of several open pits mined at the Jamestown site by Sonora Mining Corporation between 1986 and 1994 (Fig |  | | Journal (article/letter/editorial) | | telluride attributed to the Boly Fields mine, Lumpkin County, Georgia, was available for $800 from a well-known...from a wide variety of California localities. Colorado mines began to produce fine specimens as did those...handled by St. Troy Mines and later also by Grizzly Mining, Collector’s Edge, and Earth Resources. Some of...well-known Barlow collection and were marketed by Colorado Nuggets when that collection was dispersed. Australia...offered at the 2002 Denver Gem and Mineral Show by Colorado Nuggets. Author’s photo. with particularly productive |
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