| | Report (issue) | Wilderness Study Area, western San Juan Mountains, Colorado* by Ken Hon, Dana J. Bove, and V. J. S. Grauch...S. Geological Survey, Federal Center, Denver, Colorado, 80225 STUDIES RELATED TO WILDERNESS Bureau...Area (CO-030-217), Ouray and Hinsdale Counties, Colorado. SUMMARY The western San Juan Mountains, including...volcanic field that covered much of south-central Colorado during Oligocene and Miocene time. The earliest...to lateTertiary age and include: precious- metal (gold and silver) and base-metal (lead, zinc, and copper) | | | Report (issue) | INTERIOR GEOLOGICAL SURVEY MINERAL RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation...Cave Creek district ----Charleston district_--Coal Mine district~ Contact district Cornucopia district -...Delano district Delker districtDivide district - Dolly Varden district --Edgemont district---Elk Mountain...Spring district Gilbert Canyon area-----Gold Basin district Gold Circle district Good Hope district ---Goose...Illustrations . Plate 1. Mineral resources map of Elko County. Figure 1. Index-map of mining districts 2. Exploratory | | | Journal (article/letter/editorial) | Geologyof a Skarn-BrecciaOrebody at the Victoria Mine, Elko County, Nevada W. W. ATKINSON,JR., Departmentof GeologicalSciences...GeologicalSciences,Universityof Colorado,Boulder,Colorado80309 J. H. KACZMAROWSKI, AnacondaCopperCompany...77210 Abstract The copperorebodyat the Victoria mine occursin a brecciapipe emplacedin Permian limestoneand...rootsat depth, and amountedto no Dolly Varden Mountainsin Elko County, Nevada more than perhaps1,000 tons...originaldiscovery,about$0 m belowthe surface. about1869,near Dolly VardenSpring,at the south- The explorationoutlined | | | Report (issue) | Alaska-Rm. 101, 4230 University Dr. LAKEWOOD, Colorado-Federal Center, Bldg. 810 U.S. Geological Survey...Geological Survey, unpub. mapping, 1992); 8, Dolly Varden Mountains (Zamudio, 1992); 9, Silver Island...Mountains; 11, Gold Hill area, northern Deep Creek Mountains (Dubiel and others, 1993); 12, Coal Mine Canyon...(biotite), 40.9 Ma, andesite (Moore and McKee, 1983); d, Gold Hill, Utah, K-Ar (biotite), 39.2 Ma, latite (Moore...Mueller (1992) NORTHEAST NEVADA VOLCANIC FIELD DOLLY VARDEN MOUNTAINS LU O 1 h- 40 LU CC n CL 1 1 __ | | | Report (volume) | ............................................... Gold veins..................................................... Clark County.......................................................'.. Gold Butte mining district............... Lincoln mine........................................ Bennett mine.........................granite and gneiss............................. Gold Butte Mining Co...................................prospects...................................... Elko County............................................... | | | Report (issue) | ............................................. Colorado Creek Study Reach ..............................of the Colorado Creek study reach .................. Transects of the study reach on Colorado Creek....drain National Park Service land: Costello and Colorado Creeks in Denali National Park and Preserve, Johnson...compounds were below the minimum reporting levels. At Colorado Creek, Johnson River, and Kamishak River, where...semivolatile organic compounds were detected at Colorado Creek and Costello Creek. Only one compound, dibenzothiophene | | | Report (issue) | COLORADO STATE GEOLOGICAL SURVEY BOULDER R. D. GEORGE. State Geologi.t BULLETIN 3 G E O L O G Y A...R E DEPOSITS OF THE ALMA DISTRICT PARK COUNTY, COLORADO BY HORACE B. PATTON ARTHUR J. HOSKIN G. MONTAGUE...Charles A. Lory Governor of Colorado President University of Colorado President State School of Mines...TRANSMITTAL State Geological Survey, University of Colorado, December 1, 1912. Governor John F. Shafroth,...the honor to transmit herewith Bulletin 3 of the Colorado Geological Survey. Very respectfully, R. D. GEORGE | | | Journal (article/letter/editorial) | dated. Plutons in the Southern Sna,ke Range, Dolly Varden Mountains, Whitehorse Range, Cortez Range, Austin...metamorphism. Ea& of the eastern Great Basin lies the Colorado Plateau with a thin and incomplete section of...Bristol and Searchlight, Nevada; San Francisco, Gold Hill, Tintic, Desert Mountain, and all the intrusives...age and the older from early Jurassic to middle Colorado. The question as to whether or not K-Ar dates...Peaks in the Iron Springs district, Utah, and at Boulder City, Nevada. At Three Peaks an intrusive date | | | Report (issue) | regional crustal structure and to the occurrence of gold deposits (Wooden and others, 1998). The values of...the Carlin gold belt in north-central Nevada. We suggest, this isotopic boundary and the gold belt mark...fault. The Battle Mountain-Eureka or Cortez trend of gold mineralization lies within the central isotopic...map of the Izzenhood Spring quadrangle, Lander County, Nevada: U.S. Geological Survey Miscellaneous Investigations...isotopic study of igneous rocks and ores from the Gold Hill Mining district, Utah: Utah Geology, v. 5, | | | Journal (article/letter/editorial) | 05:52 29 January 2015 FRENCH CREEK IRON MINE, CHESTER COUNTY, PENNSYLVANIA M any minerals described...One such locality is the French Creek iron mine, Chester County, Pennsylvania, an occurrence worthy of consideration...throughout the world in diverse locales such as the Colorado Rockies, the Peruvian and Bolivian Andes, and...example of chalcopyrite from French Creek, Chester County, Pennsylvania. The 10-cm-wide specimen has chalcopyrite...of chalcopyrite crystals from the Old Lurzenbach mine, Gosenbach, Siegen, Germany. Jack Halpern specimen | | | Journal (article/letter/editorial) | Paao ama, Clark County. Walt Lombard0 specimen, Jeff Scovil photo. Churchill County Chalk Mountain District...District Chalk Mountain mine: calcite, cerussite, chlorargyrite, descloizite, galena, hemimorphite, leadhillite...Quartz, 14.2 cm across, Newbeny Mountains,Clark County. Steve Scott specimen, Jeff Scovil photo. Figure...Clinotyrolite spray, 3.4 mm across, Lovelock mine, Churchill County. Figure 2 (bottom). Wulfenite, 1.1 mm high...high, Chalk Mountain, Churchill County. Dan Behnke specimens and photos. Hot Springs Iron meteorite | | | Report (issue) | tourmaline-bearing copper deposits in granite, in some gold veins formed at high temperatures, and in recent...Guanajuato, Mexico. In the USA, large crystals at the Victoria mine, Dolly Varden district, Elko Co.; in...mines in Cornwall, England. In the Mt. Biggenden mine, Queensland, Australia. At Fefena, Madagascar. Exceptional | | | Journal (issue) | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President March 2020 PICK...assignment online COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 March...Thomas M. McKee Building, at The Ranch/Larimer County Fairgrounds, 5280 Arena Circle, Loveland, CO (I-25...a presentation by Tim Brown, ―Greenstone Belts, Gold, and GFG Resources, Inc.‖: ―Archean greenstone belts...significant gold endowment with several individual deposits each producing over 10 million ounces of gold. The | | | Report (issue) | Europium (u.g/g) 2 1 Thorium (u.g/g) 7.1 6.1 Gold (u,g/g) <.05 <.05 Tin (u.g/g) 2 2 Gallium...Rainbow trout 8 Rainbow trout 2 Dolly Varden 13 Dolly Varden 3 Threespine stickleback 1 Unknown...sculpin 43 52 1.3 Dolly Varden 68 77 4.1 Slimy sculpin 26 30 0.2 Dolly Varden 70 80 4.4 34...34 0.3 Slimy sculpin 46 54 2.2 Dolly Varden 30 Slimy sculpin 30 36 0.4 Threespine stickleback...Unknown 25 27 50 Dolly Varden 23 26 0.1 Unknown 23 26 ;0 Dolly Varden 64 76 3.4 Unknown | | | Journal (issue) | Library Presented by Douglas Tomlinson YELLOWKNIFE GOLD IS THE LATEST DEVELOPMENT EDMONTON IS THE KEY TRADING...grade ore and the startling spectacular surface gold showings point to it becoming a real productive... country full of prospectors, stampedes galore, gold talk everywhere, samples that were amazing. We wiped...to tales of the "gold in them thar hills," and what's more to the point saw the gold, the country is lousy...mendous development work will have to be done before mine possibilities are assured. However, with the development | | | Report (issue) | till samples collected from near Highland Valley mine in the Interior Plateau. The Survey has invested...Northcote, B.: Detrital zircons from the Gun Lake unit, Gold Bridge area, southwestern British Columbia .......pathfinder elements in subglacial till, Highland Valley mine area, south-central British Columbia .... 169 Elia...conclude in 2020. BCGS projects include: 1) assessing gold deposits spatially related to the Llewellyn fault...subglacial till samples collected in the Highland Valley mine area by Ferbey et al. (2016) and principal component | | | Journal (volume) | Levant Disaster >207 Abbott, H. A Report Abosso Gold 63 2.')3 (m.d.) Aerial Ropeways, Care of Aerial...Branner Report S. J. Duly J. C. Brilliant Extended Gold Mining Britain, Natural Wealth of British Columbian...Columbian Mineral Output, 1919 British Platinum and Gold Corporation British South Africa Go's. Claim Broadbridge... 182, Analysis of Aluminium Clogau Copper-Gold Mine Coal from South Africa to Europe 88, 1.52, »£i...Cobalt, Ontario Cobalt, Silver Ores at Coed Mawr Mine Coke-Oven Gases. Alcohol from Collins, Colloil | | | Journal (issue) | Eagle-Picher Minerals, Inc., operation in Malheur County, mining diatomaceous earth. Related article on...from Jackson County; plume agate from Jefferson County; and Copeo agate from Jackson County. Polished thunderegg...to the August 1986 shutdown of the Han na nickel mine and the 1987 shutdown of the Hanna smelter near...as sand aod gravel and stone, During 1987, 595 mine sites were active. Approximately 30 were melllllic-...productiOfl statistics. Mill at Greenback Mine. Josephine County (active mine site 11)_ OREGON GEOLOGY, VOL _ | | | Report (issue) | catalytic conversion, and then amalgamation in a gold trap, followed by cold vapor atomic absorption spectroscopy...brown trout [Salmo trutta], cutthroat trout, Dolly Varden [S. malma malma], golden trout [O. mykiss aquabonita]...Capitol Reef NP to 414 mm SL in brown trout from the Colorado River in Rocky Mountain NP. Among the smaller... 19 Glacier Bay National Park We sampled Dolly Varden from two lakes and one stream in Glacier Bay...this park. The THg concentrations measured in Dolly Varden from Glacier Bay NP were similar to concentrations | | | Journal (article/letter/editorial) | 1913. In the winter oI I9I3-14 he was employed as "mine valuation engineer" by the Wisconsin Geological..."Undiscovered Mines of British Columbia" won the Leonard gold medal from the Canadian Institute of Mining and...2, pp. 3tl-39, 6 figs., 1911. 1912. TJne Alexo mine: A new nickel occurrence in Northern Ontario. four...genesis and contact metamorphism at the Long Lake zinc mine, Ontario. E c o n . G e o l . v, o l . 1 1 , N o... Upper North Branch, Canaan river, Westmorland county, New Brunswick. Canaila Munition Resources Commission | | | Book | 716 LONDON E. Washington PRESS St. Colorado Springs, Colorado a part-time resident of Cripple Creek...Cripple Creek District is his 5th book about the great gold camp. His Little London Press has published twenty...ripple C reck area resident, whose works have been Colorado, New Mexico, Arizona, and I exas. INTRODUCTION...Cripple Creek and Victor Museum ends of the great gold minthe world, and the other calling itself "The...and was almost always jammed with trainloads of gold ore, coal, mining machinery, and supplies. As many | | | Report (issue) | Wildgust, Cui, Clarke, and Hickin Fig. 6. Cobble to boulder conglomerate and pebbly sandstone with light-toned... Wildgust, Cui, Clarke, and Hickin area (mainly placer gold), and questions also remain about the connection...than 30,000 people. For 2022, the forecast value of mine production in British Columbia is $18.2 billion...anticlinorium is the Black Lake intrusive Canada USA Fig. 1. Terrane map of the Cordilleran orogen and... B-Baker mine; L-Lawyers mine; K-Kemess mine; R-Ranch project (Thesis mine); S-Shasta mine. Informal | | | Report (volume) | Wilderness Study Area, Ouray and Hinsdale Counties, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1715-A W* ,...Wilderness Study Area, Ouray and Hinsdale Counties, Colorado By KEN HON, V. J. S. GRAUCH, and DANA J. BOVE...RESOURCES OF WILDERNESS STUDY AREASSOUTHWESTERN COLORADO DEPARTMENT OF THE INTERIOR DONALD PAUL MODEL...Counties, Colorado. (Mineral resources of the wilderness study areas southwestern Colorado ; ch. A)(U...and mineral resources Colorado American Flats Wilderness. 2. Geology Colorado American Flats Wilderness | | | Report (issue) | imply endorsement by the U.S. Government. Denver, Colorado 1994 FIELD TRIP GUIDE TO THE SOUTHERN EAST HUMBOLDT...rocks. We will be 40 C 41 115* i Stops 3 & 4 Gold Hill WENDOVER northern Currie Hills southern...Formation and along the Nevada-Utah line west of Gold Hill where they overlie the Eocene White Sage Formation...River Formation farther east in Utah, Wyoming, and Colorado. Eocene angular unconformity The middle Eocene...east of Nevada Highway 93 in south-central Elko County (fig. 1) and has been an area of great interest | | | Report (issue) | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph...PART IV PART II MINERAL DEPOSITS Carlin-1:,. pe Gold Depo!:>its (Jresor}' c. Nevada Mineral Catalog...Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 121 Gregory...Hen1in1orphite Azurile Barite, N1eikJe Mine Barite, '\forthun1berland Mine Bante, Rosebud t1ine Barile v;ith |
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