 | | Report (volume) | | Northern Park Range Vicinity, Jackson and Routt Counties, Colorado By GEORGE L. SNYDER, U.S. GEOLOGICAL SURVEY...northern Park Range vicinity, Jackson and Routt Counties, Colorado. (Studies related to wilderness-wilderness...mineral resources-Colorado--Jackson County. 2. Mines and mineral resources-Colorado-Routt County. 3. Geology-Colorado--Jackson...Geology-Colorado--Jackson County. 4. GeologyColorado--Routt County. I. Patten, Lowell L. II. Daniels, Jeffrey...Zirkel Wilderness and northern Park Range vicinity, Colorado, that are being considered for wilderness designation |  | | Report (issue) | | imply endorsement by the U.S. Government. Denver, Colorado 2Menlo Park, California 1996 NONTECHNICAL EXECUTIVE...was discovered in the region in Powell County in 1852. Mining began in the 1860's, and since then the...References cited F. Mineral resource geology of mining districts/areas Lincoln Region by R.G. Tysdal,...G. Tysdal, E.A. du Bray, and J.W. Whipple York district Geologic setting Mineral deposits Sediment-hosted...Exhalative, Au iii Vein, Au-bearing Confederate Gulch district and Southern Big Belt area Geologic setting Mineral |  | Soulliere, S.J., Toth, M.I., Bankey, V.L., Smith, S.M., Pitkin, J.A., Cookro, T.M., Robinson, Roberts L.N., Molnia, C.L., Wandrey, C.J., Law, B.E., Spencer, C.W., Barker, C.E., Dersch, J.S. (1996) Resource potential and geology of the Routt National Forest and the Middle Park Ranger District of the Arapaho National Forest, Colorado. Open-File Report Vol. 1996 (96-82) US Geological Survey doi:10.3133/ofr9682 | Report (issue) | | Unconsolidated Deposits ...................... Colorado Mineral Belt ................................................................. Hahns Peak Mining District ...................................... Cam......................... Red Canyon-Crystal Mining District ................................. Spring Claims...Area (Farwell Mining District) ........................... Dailey (Atlantic) Mining District .............Solomon Mine Area (Farwell Mining District) ....................... La Plata Mining District........ |  | | 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...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...Hill. North Dakota... .Dr. A. G. Leonard, Grand Forks. Ohio.............Prof. John A. Bownocker, Columbus |  | | Report (issue) | | ever since. Besides the La Grange mine, the largest hydraulic mine now in active operation, it contains...mines, particularly in the northern portion of the county. Large bodies of gravel of lower grade yet remain... Murphy, of the Union Hill mine; Mr. Pierre Bouery, of the La Grange mine; Mr. W. D. Ayers, of Poker...Globe mine; but more particularly to Mr. H. L. Lowden, formerly county surveyor of Trinity County, who...the whole of Trinity County except the south end and also the part of Humboldt County about the Hoopa Reservation |  | | Report (volume) | | Resources of the Eastern Pioneer Mountains, Beaverhead County, Montana U.S. GEOLOGICAL SURVEY BULLETIN 1766...Resources of the Eastern Pioneer Mountains, Beaverhead County, Montana By R. C. PEARSON, B. R. BERGER, H. E....resources of the Eastern Pioneer Mountains, Beaverhead County, Montana. (U.S. Geological Survey bulletin ; 1766)...Geochemistry 12 Mineral resources 19 Setting 19 Mining districts in the eastern Pioneer Mountains 19 Resource...10 Map of eastern Pioneer Mountains, Beaverhead County, Montana, and vicinity 3 20 Generalized geologic |  | Klepper, Montis Ruhl, Ruppel, E.T., Freeman, V.L., Weeks, R.A. (1971) Geology and mineral deposits, east flank of the Elkhorn Mountains, Broadwater County, Montana. Professional Paper 665. US Geological Survey doi:10.3133/pp665 | Report (issue) | | Mineral Deposits, East Flank of the Elkhorn Mountains, Broadwater County, Montana GEOLOGICAL SURVEY PROFESSIONAL...Mineral Deposits, East Flank of the Elkhorn Mountains, Broadwater County, Montana By M. R. KLEPPER, E. T...Jefferson Dolomite _______________________ ~ __ Three Forks Shale _________________________ _ Madison Group..._ Kootenai Formation _______________________ _ Colorado Formation_-_-- __________________ _ Lower black...___ _ Elkhorn Mountains Volcanics ___________________ _ Intrusive rocks related to the Elkhorn Mountains |  | | Journal (article/letter/editorial) | | The Elkhorn Mine Downloaded by [Florida International University] at 21:06 27 August 2013 J E F F E...prospecting in the Elkhorn Mountains of what was then the Montana Territory. The three prospectors explored...explored the Elkhorn Creek valley in the high slopes on the western side of the Elkhorn Mountains, near the...of what is now Jefferson County, Montana. Finding mineralized ground, the three located several lode claims...with the discovery of the Elkhorn mine, he was in the grave long before the mine was discovered, and such |  | | Journal (article/letter/editorial) | | Caldwell Stone Company quarry, Danville, Boyle County. Terry Huizing specimen and photo. K entucky...Commonwealth is Black Mountain in the Appalachians (Harlan County) at 4,139 feet. The lowest point is the floor of...of the Reed quarry near Grand Rivers (Livingston County) in western Kentucky, at 100 feet below sea level...small, nondiamondiferous kimberlite in Elliott County in eastern Kentucky and alnöite intrusions in Crittenden...described in Anderson (1994). The most widespread mining in Kentucky is coal. More than 7.4 billion tons |  | | Report (issue) | | Geology of the Southern Elkhorn Mountains Jefferson and Broadwater Counties, Montana By M. R. KLEPPER...dolomite Devonian and Mississippian systems Three Forks shale Mississippian system Lodgepole limestone...formation Cretacemis system Kootenai formation Colorado formation Lower black shale unit Siliceous mudstone...unit_ Upper black shale unit Slim Sam formation Elkhorn Mountains volcanics____ General features Distribution...related rocks Younger intrusive rocks Stocks near Elkhorn Black Butte stock Cemetery Ridge stock Stock of |  | | Report (issue) | | units ________________________________________ _ Elkhorn Mountains volcanics ____________________ _ Rocks...____ -.- ______ _ Folding and faulting in the Elkhorn Mountains volcanics ___________________________________...___________________________________ _ History of mining in the region __________________ _ Production-...________ _ Granodiorite adjacent to chalcedony veins_ Elkhorn Mountains volcanics adjacent to quartz veins _...______________________ _ ·Mining districts and mines ______________________ _ Rimini district ____________________________ |  | | Journal (article/letter/editorial) | | with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...2. Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted...view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded |  | | 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 |  | | Report (volume) | | Mineral Resources of the Elkhorn Wilderness Study Area, Broadwater and jefferson Counties, Montana U...BULLETIN 1805 MONTANA Mineral Resources of the Elkhorn Wilderness Study Area, Broadwater and Jefferson...Cataloging-In-Publication Data Mineral resources of the Elkhorn Wilderness Study Area, Broadwater and Jefferson...Mines and mineral resources-Montana-Elkhorn Wilderness. 2. Elkhorn Wilderness (Mont.) I. Greenwood, William...mineral survey of national forest land in the Elkhorn Wilderness Study Area, Montana, that is being considered |  | | Report (volume) | | DIRECTOR BULLETIN 527 ORE DEPOSITS OF THE HELENA MINING REGION MONTANA BY ADOLPH KNOPF WASHINGTON GOVERNMENT............................ Historical sketch of mining.................................................................................... Marysville district.......................................................... Drumlummon mine........................................... Cruse mine.......:.............................................. Belmont mine................................................. 50 51 51 |  | | Report (issue) | | INTERIOR GEOLOGICAL SURVEY Mineral Resources of the Elkhorn Wilderness Study Area, Montana A cooperative study...rocks Igneous rocks Elkhorn Mountains Volcanics Intrusive rocks related to Elkhorn Mountains T7.-% T /...Silver-lead-zinc replacement deposit':?.. Elkhorn-Tizer Basin zone Elkhorn district -»_»_.,H"1 -? r7Q f i-L^ifciL...Ridge prospect Breccia pipe deposits Skyline Mine Blackjack Mine Chicago and Last Hope Mines Group I - Precious-...geology Important occurrences Mining districts (lodes) Beaver Creek district C O O /-\ t£ +L fU -t-L Y-* |  | | Report (issue) | | Mountain region of Wyoming contains few metalliferous mining camps. Moreover, not many of those that have been...other resources. Next to the Grand Encampment district, which yielded a fair amount of copper ore from...from 1898 to 1908, and the South Pass district,, which has a record of producing $450,000 in gold from...production that made it comparable to many camps in Colorado and other Rocky Mountain States. Since 1907, however...upon which a little work is done each summer, the district is practically abandoned. Ore was first discovered |  | | Report (volume) | | SURVEY GEORGE OTIS SMITH, DIRECTOR BuiiIiETIN 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND................................................. Mining districts...................................................................................... Mining development. ...................... .. - - ' -..................................... 18 Placer mining....... ~................................................................ 20 Present status of mining .....:........................................ |  | | Journal (article/letter/editorial) | | secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked in...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues...FiridofGt~rnSphultirite ut IIIP Bulinut Zinc Mine, St. Luwrence County, tditor of NPW b r k ” unrl iipptwwl...and additions. Mlneral Index by Counties Brule County Elm Creek, IS mi. S. of Chamberlain, near junction |  | | Report (issue) | | designate the papers for advance publication] (A) Some mining districts of eastern Oregon, by James Gilluly,...deposits of the Takilma-Waldo district, Oreg., including the Blue Creek district, by Philip J. Shenon________...Shenon________ (C) The Climax molybdenum deposit, Colorado, by B. S. Butler and J. W. Vanderwilt, with a section...ILLUSTRATIONS PLATE 1. Index map showing location of mining districts in eastern Oregon. 8 2. Topographic and...and geologic map of the Mormon Basin mining district, Baker and Malheur Counties, Oreg _ 32 3. Geologic |  | | Report (volume) | | _______________ Colorado formation ________________________________________ Elkhorn Mountains volcan...____________________________________________ Folding in Elkhorn Mountains volcanics._____________________ Joints...______________________________ 85 History of mining.____________________________________________ 86...mine_________________________________________________ Armstrong mine.__________________________________________ Aurora...mine______________________________________________ Beatrice mine._______________________'_____________________ Boulder |  | | Journal (article/letter/editorial) | | Volcanics. All formsofmineralization consist ofpyrite,sphalerite, galena,minorchalcopyrite, andrareelectrumaccompanied...preservedat Wau, wasconstructed. Introduction Colorado;Acupan, Philippines;Wau, Papua New Guinea;and...averagegradeof 0.028 oz/ton (0.96 g/metricton) the Colorado district from 1864 to 1900 (Becraft Au, 0.350 oz/ton(12...usingstandardflotationand cyanidationpractices.An open-pit mine and mill complex,with a rated capacityof 15,000...the Colorado siltstones, sandCreekVolcanics.Geologysimplifiedfrom Smedeset al. (1973). district,by l |  | | Report (volume) | | Director Bulletin 842 OF THE GREATER HELENA MINING REGION MONTANA BY J. T. PARDEE and F. C. SCHRADER...______________________-__-_________--_------___-_ Ophir district.________________________________________________...__________---__--_-___ Austin district._.____..._..._._.____._____.____.___-.___._____ Marysville district.___________...___________________________________________ Gould district._______________________________________________ Stemple...._ Heddleston district.___________________________________________ Wolf Creek district.._..........__ |  | | Report (issue) | | COLORADO STATE GEOLOGICAL SURVEY BOULDER R. D. GEORGE, State Geologist BULLETIN 9 GEOLOGY AND ORE DEPOSITS...THE BONANZA DISTRICT SAGUACHE COUNTY COLORADO By HORACE B. PATTON 1915 DENVER,COLORADO EAMES BROTHERS...DOI: https://doi.org/10.58783/cgs.b09.vtso7767 Colorado State Geological Survey. Bulletin No. 9, Plate...rnor of Colorado LIVINGSTON FARRAND ______________________ President University of Colorado HowARD C...TRANS:\IITTAL ST.I.TE GEOLOGICAL SuRVEY, UNIVERSITY OF CoLORADO, December 2, 1916. Governor George A. Carlson |  | | Journal (issue) | | (SRM 98b) is plastic clay that typically contains three minerals: kaolinite, mica and quartz. The SRM consists...to preserve and promote the unique geologic and mining heritage of Wisconsin while underscoring the importance...brown jarosite crystals on matrix from the McLean Mine, Esmeralda Co., Nevada. The Martian material was...manufacturer’s standards. NIST Price: $556.00 Hard Rock Mine Waste (SRM 2780a) This Standard Reference Material...analysis used to determine elements in hard rock mine waste and materials of a similar matrix. SRM 2780a |
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