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| DIRECTOR BuiiIiETIN 574 MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA AND ADJACENT AREAS BY ALEXANDER................................................. Mining districts...................................................................................... Mining development. ...................... .. - - ' -..................................... 18 Placer mining....... ~................................................................ 20 Present status of mining .....:........................................ |
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| house. Photo hy Uycrs, CB.1904. courtcs\ Ouraj County Historical Society. Volume 75, November/December...campaign (Nevins Figure 2. Map of the Telluride district showing the principal veins, adits, and shafts...researches Colorado ‘s geology, mineralogy, and mining history, is part owner of FRS Geotech, Inc., an...historic preservation efforts in the Leadville mining district. Downloaded by [UZH Hauptbibliothek / Zentralbibliothek...convention. Colorado’s silver interestsdomposed of mine, milling, and smelter entrepreneurs; managers, professionals |
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| ___-_____-_-___-____ Opex formation______--_-_-__--___________ Ajax dolomite-_____________________________ Ordovician...coarse- and fine-grained dolomite in Emerald member of Ajax dolomite.___________________________ 49 22. Characteristic...Characteristic outcrop of upper member of Ajax dolomite-___________________-___________-----------_-.__...brachiopods of the genus Eoorthis from lower member of Ajax dolomite.___________________________ 51 24. Close-up...-----_Chemical analyses of composite samples of Ajax dolomite _____-_____________-_____-___________-_------_-_ |
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| GEOLOGY AND ORE DEPOSITS · OF THE TINTIC MINING DISTRICT, UTAH BY WALDEMAR LINDGREN AND G. F. LOUGHLIN...rocks-Continued. Ordovician system .................. . Ajax limestone (including the Emerald dolomite member)....... . PART II. History of mining 'and· metallurgy in the Tintic district, by V. C.l!eikes ............water: .. ~.~~ ............... . Drainage of the district ....-... ·......... . Mineralization ...........Channel of the Gemini Chief mine ............................. . 205 mine·--------------------------------- |
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| KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com... Gressman tom.gressman@minrec.org The Tintic District: Juab and Utah Counties, Utah...................COVER: CLINOCLASE, 3.9 cm, from the Mammoth mine, Tintic District, Utah. Rock Currier collection; Jeff Scovil...sample of a pascoite group mineral at a mine in Grand County, Utah. Died, Alex Earl, 26 Jayson Alexander...over the American West. A trip to the Blue Bell mine near Baker, California, in 2016 was particularly |
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| Mineralized Veins and Brecciasof the Cripple Creek District, Colorado TOMMY B. THOMPSON, ALAN D. TBIPPEL,...The vein depositsas exemplifiedby thoseof the Ajax mine cut Precambriancrystalline rocksandTertiary rocksof...highersalinitiesfoundin the upper 300 m of the Ajax mine levels;the fluidswereboilingandcontained CO•...pears to have headed on the Cripple Creek volcanic district,almost21 milliontroy ounceshavebeenreerosiona...suchdepositby The SilverStateMiningCorporation have district. (Lewis,1982) atteststo the viabilityof suchdeposits |
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| ....................................... 102 District of Columbia ......................................... 139 144 146 153 158 163 169 . 172 174 Montana..................................................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 |
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| . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |
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| (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs...fine pyrite specimens have been found at Butte, Montana; Park City, Utah; Washington State; and numerous...in significant amounts in virtually all of the mining districts of the Colorado mineral belt. (The Colorado |
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| PISTOLS i !?' A J.-. N ; 'jxt . 1 — \ MINING DISTRICTS and MINERAL RESOURCES of NEVADA by ...present authentic infor mation concerning the mining districts and mineral resources of Nevada. No comprehensive...United States Geological Survey in 1912. Plan. “Mining Districts and Mineral Resources of Nevada”, as...parts:—one on mining districts and the other on mineral resources. The section on mining districts is...but gives more extended descriptions and includes mining as well as geological information. The map which |
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| BULLETIN 71 Mineral Resources of Taos County, New Mexico by JOHN H. SCHILLING Description of mineral...INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING 8c TECHNOLOGY................................... 11 HISTORY OF MINING ........................................................... 35 Spanish Main prospect ["Govenor's Mine"(?)] ....................................... 36............. 36 Questa Molybdenum [Moly, R and S] mine ............................................ 38 |
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| published information, field investigations, and mining company data. 2 ABBREVIATIONS USED IN THIS REPORT...resources Mining districts Gibbonsville Mining District Indian Creek Mining District Mineral Hill Mining District...Mackinaw Mining District Blackbird Mining District Wilson Creek Mining District Yellowjacket Mining District...Range Mining District Eureka Mining District Carmen Creek Mining District Eldorado Mining District Pratt...Creek Mining District McDevitt Mining District Junction Mining District Texas Mining District Spring |
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| GEO LOGY AND GOLD DEPOSITS OF THE CRIPPLE CREEK DISTRICT, COLORADO BY \V ALDEl\;IAR LINDGREN A:'\D FREDERIC... . . . . . . . First geological survey of the district .............................. _• . . . . . ..................... Geological structure of the district ............... _................... __ .. _...._____________ ........ . 100 Petrology of the district ______________ . _______________________________________________...___ _ 113 Chapter IV. -General mineralogy of the district . _______________ .... ____ .. ______________ |
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| Director Bulletin 842 OF THE GREATER HELENA MINING REGION MONTANA BY J. T. PARDEE and F. C. SCHRADER UNITED...______________________-__-_________--_------___-_ Ophir district.________________________________________________...__________---__--_-___ Austin district._.____..._..._._.____._____.____.___-.___._____ Marysville district.___________...___________________________________________ Gould district._______________________________________________ Stemple...._ Heddleston district.___________________________________________ Wolf Creek district.._..........__ |
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| THE LOS BURROS DISTRICT, MONTEREY COUNTY, CALIFORNIA. By JAMES M. HILL. INTRODUCTION. The following...prospects of the Los Burros district, in the southwestern part of Monterey County, Calif., are based on observations...properties and the caretaker at the Buclimo mine. The district lies on the west side of the rugged Coast...Coast Range, near the south line of Monterey County, in Tps. 23 and 24 S., R. 25 E. Mount Diablo meridian...500 feet above sea level. GEOLOGY. The whole district is underlain by rocks of the Franciscan formation |
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| Stratigraphic Studies in Southwestern Montana and Adj cent Idaho-Lower Tertiary Anaconda Conglomerate...contacts . Stratigraphic Studies in Southwestern · Montana and Adjacent Idaho-Lower Tertiary Anaconda Conglomerate...Brittle-Ductile Extension and Uplift in Southwestern Montana By J. Michael O'Neill Chapter B Alluvial Facies...Formation, East-Central Idaho and Southwestern Montana By Russell G. Tysdal, David A. Lindsey, Karen I..., 2005, Stratigraphic studies in southwestern Montana and adjacent Idaho-Lower Tertiary Anaconda Conglomerate |
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| History of the Iron Industry in Utah · .1 Beaver County . . . . . . . . . . . . .2 Beaver Lake Mountains... .2 . . . . . . . . . . .2 Black Rock mine . . . Skylark mine . . . . . . . . . . . . . . . . . . . .... . · .. 4 Creole mine . . . . . . . . . . . . . . . . . . . . . · .. 4 Cave mine . . . . . . . . . ... 4 Iron mine . . . . . . ......... . . 10 Star Range deposits . . . . . .10 Copper King mine .10 Rocky...Rocky Range deposits . . . .10 Old Hickory mine . . . . · . 11 Montreal magnetite-copper property . . . |
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| 4. 5. 6. 7. E:. 9. 10. 11. 12. Camp Bird mine, Ouray Co., Colorado Choice rich brassy-golden 5x5...sulfide vein section. 2xl-3/4xl/2" $85.00 Idarado mine, Ouray Co., Colorado Choice golden thin polished...~n. Weight: 39 g. 2x3-3/4xl/8" $ 150.00 Caribou mine, Ouray Co., Colorado Superb rich orassy-golåen fine...211 g. 3-1/4x2··1/4xl-1/2" $ 350.00 Golden Crown mine, Hunboldt Co., Nevada Select bright golden elongated...62 g. l-l/2xl-3/4xl-1/4'' $ 50.00 Bestand Belcher mine, Virginia City, Nevada Thin golden 1 mmveins and |
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| the 1997 Denver Show c Part 2: The Discovery, Mining History, Geology, and Specimen Mineralogy of Selected...in Colorado and the mining history and geology/mineralogy of the Front Range mining districts. In part...Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, 1860-1 990 (Davis and Streufert...7 by 2.5 cm (8.5 ounces), Ground Hog mine, Gilman, Eagle County. Harvard Mineralogical Museum specimen...boom-and-bust cycle common to almost all these early placer mining camps, but it managed to hold on (barely) because |
 | Morris, H.T., Lovering, Thomas Seward, Mogensen, A.P., Shepard, W.M., Perry, L.I., Smith, S.M. (1979) General geology and mines of the East Tintic mining district, Utah and Juab counties, Utah, with sections on the geology of the Burgin mine and the geology of the Trixie mine. Professional Paper 1024. US Geological Survey doi:10.3133/pp1024 | Report (issue) |
| General Geology and Mines of the East Tintic Mining District, Utah and Juab Counties, Utah GEOLOGICAL SURVEY...General Geology and Mines of the East Tintic: Mining District, Utah and juab Counties, Utah By H. T. MORRIS...LOVERING With sections on THE GEOLOGY OF THE BURGIN MINE By A. PAUL MOGENSEN, W. M. SHEPARD, H. T. MORRIS... and S. M. SMITH and THE GEOLOGY OF THE TRIXIE MINE By A. PAUL MOGENSEN, H. T. MORRIS, and S. M. SMITH...highly productive silver, gold, and base-metal mining district in the east-central Great Basin UNITED STATES |
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| deposits occur in the south-central part of Harney County and are more than 100 miles from either Burns,...secondary minerals an earthy mixture of cinnabar and "limonite" is of particular interest because it-forms by...lateral variation. In the southern part of the district hematite, pyrite, and chalcopyrite, accompanied...ECONOMIC GEOLOGY From the central part of the district northward, primary cinnabar increases in relation...other sulfldes until, at the northern end of the district, it is the only ore mineral. The total production |
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| study of parts of the Tintic and North Tin tic mining districts UNITED STATES GOVERNMENT PRINTING OFFICE...the Tintic mining district and the southwestern part of the North Tintic n1ining district. The rocks...and is characterized by sagebrush (A rte'lnisia), rabbit brush ( 0 hry8othmnnus), juniper (Juniperus utahensis...mines of the Tintic, East Tin tic, and North Tintic mining districts. It joins the Eureka quadrangle on the...Round Knoll and Packard Peak; the East Tintic mining district is entirely within the Eureka quadrangle. The |
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| geology of the deposits, with consideration of mining methods and exploration, and estimates ofreserves...geology of the deposits, with consideration of mining methods and exploration, and estimates of reserves..._-_-_-________ Mountain Pass district, California..-____-.-_.._______ Central district, Missouri.._________________________..._________________________ Hansonburg district, New Mexico___________________ Kings Creek district, South Carolina.._______________..._______________ Del Rio district, Tennessee....____...-_.____.__.___ Middle Tennessee district __--__-__-_--_-_-_____ |
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| ............................................17 Mining and processing .............................................................................52 Montana ............................................................................................87 District of Columbia ....................................Geologic sketch map of the Inyo-Panamint talc district, California .........................32,33 6....the southern Death Valley-Kingston Range talc district, California ................................. |
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| OPHIR No. 7 MINING DISTRICT. SEYMOUR G. OLMSTEAD. INTRODUCTION. The Ophir Mining District is one of...discoveryand developmentof future minesin the older mining regionsmust depend,to a great extent, on the i...geologist'sideas to practicalmining. The Ophir District lies 6n the westernside of the Oquirrh Range,...Ophir, Mercur and Tintic mining districts,is undoubtedlythe greatest mining region in the State. As such...of Utah," Ophir District, by J. R. Murphy, Salt Lake City, 1872. "Mercur Mining District," by Spurt and |
