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| GEOLOGY OF THE GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR............... Topography and geography of the Georgetown quadrangle ...................................................._.......... . Distribution in Colorado ...................................................................... . Distribution in the Georgetown quadrangle ......................................... : ............ _.... 97 Gold belt near Georgetown.· .................. _. __ ........... , .. _ |
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| Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________...Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite ...__________________ _ Pennsylvanian and Permian of the west slope _______________________________ _ Mesozoic |
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| across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3 (below)...cut near Pinehurst, Adams County; Lanny Ream specimen and photo. Ada County Lucky Peak Dam, on east side...PHILLIPSITE, and THOMSONITE. Adams County Alaska mine, Seven Devils district: azurite, grossular, malachite...mine, Seven Devils district: grossular. Blue Jacket claim, Seven Devils district, about 4 miles north-northeast... and stilbite. Copper Bo~' mine, Seven Devils district: epidote. Helena mine (reportedly just northwest |
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| Inc. 3300 Penrose Place, P.O. Box 9140, Boulder, Colorado 80301 Printed in U.S.A. GSA Books Science Editor...locality on U.S. Highway 60 just east of Cannelton, West Virginia. Photograph taken in March of 1986 by C...Revision of Nomenclature Units in the Northwestern Gand West Vir cine 6 ee. ag Charles L. Rice, Robert A eae...Pennsylvanian Kanawha Formation in Southwestern West Virginia ...........++++0+++000: Bascombe M. Blake...Units, Southern cares Hos HLT no Ss + Rel RS LAE EET West Vir giHide Hae gh 8 aS een Ronald L. Martino Ge |
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| Mineralization in the Coeur d'Alene mining district, Shoshone County, Idaho consists principally of galena-sphalerite-...gold, cadmium, and cobalt since the 1880s. The district has produced in excess of 31,000 metric tons of...of silver, more than any other mining district in the world except perhaps Cerro Rico de Potosi, Bolivia...considered to be a distinct type unique to the district. The U.S. Geological Survey (USGS) has not attempted...undiscovered resources of these metals in the district, or in other regions favorable for the discovery |
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| 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 |
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| Chapters on the Coeur d'Alene Mining District, the Blackbird Mining District, and the Sawtooth Mountains by...Chapters on the Coeur d'Alene Mining District and the Blackbird Mining District, and to Ben Sheppard for reviewing...reviewing the chapter on the Blackbird Mining District. Those who contributed photographs, or specimens...problems are with mine names and occasional1y mining district names. Mining districts, generally are not now...the Coeur d'Alene District is the name presently used for the entire silver district that runs from Kellogg |
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| 91 Geology and Mineral Resources of Rio Arriba County, New Mexico by E D W A R D C . B I N G L E R 1968............ 81 Geologic history of the Hopewell district Clara D., Mary E . Steele. Grand Mogul. Little... Production of sand and gravel from Rio Arriba County . . 4. Features of sand and gravel sources .....Rio Arriba County ...................... 4 2 . Geologic provinces in Kio Arriba County . . . . . ....cleavage in the Hopewell district . . . . . . 67 6. Lineation in the Hopewell district ................... |
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| _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____... Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten depositNorth workings...Lincoln County__-__-----_-----_-----___ Tern Piute district....... __ ___ ... Mineral County____-_______________...naine________________ Mine near Green Talc mine. _____ Nye County ____ _._-___-________-___ Gabbs area __ _____________________...and magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick Canyon area |
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| of Mines. Located in the Lake Superior Mining district. Mines and Mills accessible for college work.... CO. 117-119-121 Liberty :i :;-!•.-• Pearl 165 West Lake 223 Arch Sandusky & Robinson Sts., 701 St....New Caledonia Central America 1977 Africa West Indies 1989 West Africa South America 1991 Europe 2043 Addenda...upon request. AMERICAN ATMOS Sales Office 105 West 40th St. New York Factory CORPORATION Wilkinsburg...FOR ORE CARS~ BEARINGS HYATT C BUCHANAN CO., 90 West St., New York CRUSHER All-Steel, 24 sizes, 24x36 |
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| the iron mining companies of the Lake Superior district is given, and the many mining corporations of...STATES Alabama Alaska Arizona Arkansas California Colorado , Page 69 Connecticut 120 Georgia 121 165 Idaho...Utah 1341 Vermont Virginia 1467 1468 Washington West Virginia Wisconsin Wyoming 1474 1511 1511 1519...Honduras Nicaragua Salvador 1751 1753 1753 1755 1757 WEST INDIES: Cuba Porto Rico San Domingo, Hayti 1760...1832 1832 1839 1844 1844 1863 1867 1870 ,.1871 WEST AFRICA: Gold Coast Colony Addenda and Errata Index |
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| of kaolin bodies______________ Introduction of siderite._________________ Origin of type 2 deposits.___________________...the colluvium__ Introduction of kaolinite and siderite _____ Origin of type 3 deposits____________________...bauxite deposits and mines Con. Pulaski mining district Continued Ironton area___________________________..._-____-_--_North Heckler deposit.______________ West Rauch deposit___._____________ Peter Rou deposi...Mabel vale-Alexander area. ______________ Ledbetter Creek area_______-_-_----____ Sardis area___________________________ |
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| ____________________ _ Southwestern Alaska _______________ _ West-central Alaska ________________ _ Arizona _____...________ _ Beach deposits ___ -----------------Colorado _____________________________ _ Crystalline rocks...Perce Counties __________ _ Idaho CountY-----------------Valley CountY-----------------Adams, Payette,...and Gem Counties ________________________ _ Boise County ___ --------------Ada, Owyhee, Elmore, and Custer..._____________ _ Spruce Pine district ____________ Madison County and Haywood County _____________________ _ |
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| THE PINE CREEK DISTRICT, IDAHO. By EDWARD L. JONES, Jr. INTRODUCTION. The Pine Creek district, Idaho,... lies immediately west and south of the Wardner district of the Coeur d'Alene region. Only a small part...and Calkins 1 in 1904. At that time the Pine Creek district had been only slightly developed, but under...several sources. The mapping of a strip about 1 mile wide on the eastern edge of the area is taken from the...Professional Paper 62; the topography of an area 3 miles wide on the north is adapted from the Cataldo topographic |
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| Geology-New Mexico-San Juan County. 2. Geology-New MexicoMcKinley County. I. Carey, Mary Alice. II. Thompson-Rizer...drilled to basement by Sinclair Oil and Gas Co. just west of the quadrangle, and the jurassic and Cretaceous...the thick Uncompahgre Formation of southwestern Colorado. Rocks of Cambrian through Silurian age are believed...field on an anticlinal structure 11/z miles (2.4 km) west of the quadrangle has produced 8,000 barrels of...in the northernmost part of the quadrangle. The west border of the quadrangle lies 11/3 miles (mi) (2 |
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| Nevada Mining at Bingham, Utah The Greenwater District Ditto Ditto Ditto Abyssinia, Minerals In The...Charles [64 James W. 82 431 114 Nelll 815 District, British W Columbia, The 783 431 795 736 241...Tube-Mill Lining Forbes Rlckard 511 17 The Boundary District The Mineral Output of. In 1906 Broken Hill, Acid...Editorial Wm. Amalgamation of Copper Ore Pan Amalle District of California, The American Copper Spiral Pipe...James Darroch Arizona, Secondary Changes at Cherry Creek John A. Reld The Vulture Mine C. W. Purlngton Arnold |
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| Clark County. Walt Lombard0 specimen, Jeff Scovil photo. Churchill County Chalk Mountain District Chalk...scheelite, vanadinite, wulfenite Corral Canyon District Various mines and prospects: anatase, rutile,...Quartz, 14.2 cm across, Newbeny Mountains,Clark County. Steve Scott specimen, Jeff Scovil photo. Figure...Churchill County. Figure 2 (bottom). Wulfenite, 1.1 mm high, Chalk Mountain, Churchill County. Dan Behnke...Hot Springs Iron meteorite Lake (Mopung Hills) District Various mines and prospects: mopungite,* romeite |
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| geologic names of North America, Greenland, the West Indies, the Pacific Island possessions of the United...definitions) of geologic units of Canada, Mexico, the West Indies, LEXICON OF GEOLOGIC NAMES OF UNITED STATES...George V. Cohee, the late Roger G. Miller, Walter S. West, Rudolph W. Kopf, and Verda M. Dougherty, all of...Underlies Church limestone member; overlies Bachelor Creek limestone member. M. R. Mudge, C. P. Walters, and...Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone |
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| Bariand Paris, France Werner Lieber Heidelberg, West Germany Olaf Medenbach Bochum, Germany Eric Offermann...Inesite, a new U.S. occurrence near Creede, Mineral County, C o lo ra d o ..................................austinite, and plumbian conichalcite from La Plata County, Colorado ............................................custom specimen and equipment needs. ... World-wide minerals at one location. Ward’s Natural Science...Safety and Health (NIOSH, 1977). There is a very wide range in the toxici ty and in the toxic effects |
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| Copper O\itionk.... 91 Appelbaum, M. E Arteaga District, Chihuahua. Mexico.. W. B. Winston.... 829 162...162 Company Report. Ashanti Goldflelds, West Africa Theory of the Ashley, Harrison Everett 831 Settlement...Matter in Coalfield in Kent, England Coalinga District, Oil Measures Collins, 37 44 American Institute...Courtenay De Kalb . . . Company Ashanti Goldflelds, West Africa. Bantjes Consolidated. Boston Consolidated...River District. Gold Mining in The Real Eldorado in Travel in Colombian Health Conditions Colorado Days |
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| activities a Bunker Hill & Sullivan M. & C. Co.: Valley County.........-+-+++++-+-:eae 6 t Fo ine oIOks Crate...siete w Sue ee eas eyo miteudes Bata eae AGA Ss: COUNTY. aI PSVUNOCK. COUMEV ye ato tiene Gye. 6 Sel oles...itefolie ac Meare ea nC Ren Mc eo ea ee BENE Wwah County: cscs cece ss wre a eecnace, s)ecacsr ojerte hs...GiAMOLteMone te wcetas tacit mene Ones Bingham “County. os... 5 sor o oheckede s omewetc costs: ogee ceo...Os eI SEEN Te nie oro eee orbs e Gea c Cama sy (COUNTY shir rarecs cis 51Stic alee bghowue alchat peels |
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| Deposits of North America Marc[uette Iron Ore District in the State of Michigan 7. African Iron Ore Deposits...2. The Conglomerates of the Tarkwa Goldfield in West Africa (/) Antimony Deposits 1. Antimony Deposits...Iron and Manganese Ores 1. The Iron Ores of the District of Elbingerode, in the Harz 2. The Iron Ore Deposits...The Manganese Deposits of Nassau, the Wetzlar District, in Hesse and on the Hunsruck 7. . . . . ...Deposits of Leadville, Colorado 10. The Silver-Lead Ore Deposits of Aspen District, Colorado 11. Ore Deposits |
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| during the Denver Show. PO Box 455 Poncha Springs, Colorado 81242 VSA (719) 539-4113 • Fax 539-3690 FA...because of its geographical position, possesses a wide variety of features in climate, topography. soils...Piedmont uplands and on the Allegheny Mountains of the west, Maryland presents a microcosm of east coast geography...Maryland "A number of quarries operated in the district, but to the mineral world they were known collectively...erectin g Maryla nd's first fur nace in Cecil County. By l 723 a sec ond furnace was erected by John |
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| Alta Tunnel .: By Murray Schick . 18 19 Pack Creek , Utah , Has Large, Rich Carnotite Deposits . Silver...29 32 . Coal Notes and Personals Plans for Daly West Mill . Improvements at Anaconda California Oil...Montana 28 29 3 4 35 Oxidized Oreserof the Tintie District. By G. F. Loughlin American 26 Leaching for...for Six Months . Editorial Cicial accia Tintic District Has Years. By Will C. Higgins Manhattan Editorial...Millmen Manhattan 13 16 P. Notes on McCoy District Developments at the Packard Effect of Conditions |
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| 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J... The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References 467 Contributors...Nightingale district Quartz epimorph after Calcite Agardite Grossular, Buena Vista district Quartz (amethyst)...Orpiment inclusions Calcite, Getchell Mine Robinson district inclusions inclusions Realgar and Fluorite Rhodochrosite |
