 | | Journal (article/letter/editorial) | | GEOLOGIST JULY-AUGUST, i9o7 GOLD AND BOULDER TUNGSTEN COUNTY, DEPOSITS No. 5 OF COLORADO2 WALDEMAR...early days, among which the most prominent was the Caribou mine, but for many years the principal attention...have been discoveredin the southwesternpart of the county,especiallynear Nederland,and the outputof this...believed that the output of this tungsten ore in Boulder County reacheda value of $350,000 in I9O5, and the...tungstendepositsin the southwesternpart of the county, in the vicinity of Eldora and Nederland, from data obtained |  | | 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) | | 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 (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) | | 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) | | GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S.............................................. 1 COLORADO ................................................Exchange Offer (Iocmin36) .................... 10 Eldora Land Acquisition (Iocmin45) .....................San Isabel and White River National Forests Lake County Land Exchange Offer (Iocmin40) ......................... 47 White River National Forest Dillon District Land Exchange Joint Venture (Iocmin38) ...... |  | 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) | | rhombic crystal faces, from Nugget mine, Gilpin County, Colo.-................... II. A, Wedge-shaped...rhombic crystal faces, from Nugget mine, Gilpin County, Colo.............................. IV. A, Hiibnerite...Rollinsville, Colo.; B, Hubnerite crystals from Regan mining district, 35 miles north of Osceola, Nev.............. Scheelite from Clifton mining district, Deep Creek Mountains, Tooele County, Utah; B, Scheelite and...Scheelite, 6 miles south of Osceola, White Pine County, Nev............................. XV. .4, Stolzite |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | Report (issue) | | Geology and Ore Deposits of the Boulder County Tungsten District Colorado GEOLOGICAL SURVEY PROFESSIONAL... Geology and Ore Deposits of the Boulder County Tungsten District Colorado By T. S. LOVERING and OGDEN TWETO...State of Colorado through the Colorado Geological Survey Board and the Colorado Metal Mining Fund UNITED...__________________________ Principal rocks of the district.________________________ Pre-Cambrian rocks__..._____ Age_ __________________________________ Boulder Creek granite and related rocks. ____ Distribution |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut..... .Prof. William...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |  | | Book | | 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73 |  | | Report (issue) | | ____________________________________ _ History of mining and production ________________ _ General description...States. FIGURE 1. Map showing location of uranium-mining districts in West-Central United States-------------------------2...--8. Cross sections of roll ore bodies of the Colorado Plateau region_________________________________________...size in sandstone beds of Triassic age in the Colorado Plateau region__ 10. Histogram showing the percentage...deposits in sandstone beds of Triassic age in the Colorado Plateau region_______________________________ |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...Clear Creek co., and at Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite |  | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph by J...percent of the state. Nevada's public lands offer mining, livestock grazing, wild horse viewing, .scenic...Road and Geologic Tours in th<' Las Vegas Area. Mining and the discovery, identification, and development...Vavis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 |  | | Journal (volume) | | Exposition.* G. Dodd, the superintendent of the mining departof the Union Iron Works, it will readily...mountain and Gopher Ridge, in Cala- ; veras county, Cal., lies Salt Spring val- Through this trough-like...greatly varying size. The gold-bearing quartz of the district is associated with these dykes, usually constituting... 1 Mining and Scientific Press. Francisco, Cal. a resolution was presented having a , Mining and Scientific...California; Clinched Sheet Steel Pipe, 6. Latest Mining and Metallurgical Patents, 7. EDITORIAL.— A California |  | | Journal (issue) | | .. $7.50 • MINIMUM ORDER SS.00 • WE PAY POSTAGE USA on Items This Ad e e 10 DAY RETURN PRIVILEGE e SATISFACTION...Portland 97213. No dealers. Feb. 4 thru 6 . GIie County Gem and Mineral Society. 15th Annual Show. Gila...Society. Show, " Nature's Artistry." Santa Clara County Fairgrounds, 344 Tully Rd.. San Jose. Ca. 10-9...Arogonife - xt xi porti on Scopofiti zed Gobbro Roscoelite St ilpnomelone Archimedes Spiral (Bryozoo) Mudstone...tht". stream that ran into Rib River in Marathon County. A deposit was found, but it was of such poor quality |  | | Report (volume) | | hornblendes and potassium feldspars from Eldora, Colorado. Earth Planet Sci Lett 26:387-408 Berger GW...mountainous topography in the Basin and Ranges, USA. Basin Res 11:21-41 Evemden JF, Curtis GH, Kistler...relations of a contact zone in the Front Range, Colorado. J Geol 72:493-525 Hess JC, Lippolt HJ, Gurbanov...fission-track ages of Pearlette family ash beds in Meade County, Kansas. Geology 1:187-189 Nagpaul KK, Metha PP...and Applications. Geological Society of America, Boulder, CO Dartyge E, Duraud JP, Langevin Y, Maurette |
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