 | | Journal (article/letter/editorial) | | Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...2015 K NOWN AS THE TREASURE STATE, Montana is rich in mineral and gemstone localities. The state motto...Plata meaning “gold and silver,” and the state seal with its representation of mining tools clearly proclaim...Montana’s mining origins. Montana’s production of copper, coal, gold, lead, manganese, phosphate, silver, talc...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure |  | | Journal (article/letter/editorial) | | Butte, Montana Minerals, Mines, and History Robert E. Jenkins 6 Columbus Circle Newark, Delaware 19702...of 130 mineral species have been recorded from Butte. Specimens of copper sulfides and sulfosalts like...rank among the finest in the world. The best of Butte pyrite compares with the best anywhere. Handsome...Handsome specimens of barite, quartz, rhodochrosite, silver, and numerous other species have been found, many...Original (foreground), Kelley #1 (center-background), Steward (left-background) and Kelley #2 (rightbackground) |  | | Journal (issue) | | BUTTE, MONTANA Butte, Montana Minerals, Mines and History The Mineralogical Record Volume 33 • Number...crystal cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection; Jeff Scovil...painted to illustrate “The Story of Montana: The Treasure of Butte Hill and Development of the Great Copper...volume 33, January–February, 2002 Contents Butte, Montana: Minerals, Mines and History By Robert E. Jenkins...Jenkins & Jerry A. Lorengo Ed McDole: “Montana Mineral King” By Richard A. Bideaux What’s new in minerals: |  | | Book | | enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground...oFtne ato aa Gem Ghd nQkTeane Uva a nes ly ia" mine Ui nrobs inesob cere ts ou ioe tok us 'aaieomolitt...exception of the rhodochrosites of the Sweet Home Mine, Alma, Colorado, which were loaned for photography...the Central Mining District, Grant County Burro Mountains Apache No, 2 District Lake Valley Caballo Mountains...Mountains Chloride District Hansonburg District Socorro Area New Placers District Grants Area Nacimiento |  | | Journal (article/letter/editorial) | | Structural Geologic Evolution of the Butte District, Montana Robert A. Houston†,* and John H. Dilles...Bldg., Corvallis, Oregon 97331 Abstract The Butte district contains two porphyry Cu-Mo deposits and the...and folding in southwest Montana. New geologic mapping of the Butte district reveals three distinct episodes...that are limited to the northwest part of the district and synchronous with the eruption of the Lowland...fluid inclusion data indicate that exposures of the Butte Granite, which hosts mineralization, crystallized |  | | Report (issue) | | _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____ ____ Pag« 59...63 Good Hope barite mine, Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten...Ltd., mine...... --_--______.______ Lincoln County__-__-----_-----_-----___ Tern Piute district.........district____ .________..__ Nevada Scheelite mine.. _ ______ Hooper No. 2 mine __ _____ _ _ Yankee Girl mine_______________...Mountains_____________.____ Desert Scheelite mine..... _______ Gunmetal mine _ ___________ _ Manganese-tungsten |  | | Report (issue) | | Virginia--503 National Center, Rm. 1C402, 12201 Sunrise Valley Dr. • SALT LAKE CITY, Utah--Federal Bldg., Rm...Deposits in the Virginia City-Alder Gulch District, Montana By DANIEL R. SHAWE and KENNETH L. WI ER U...deposits in the Virginia City-Alder Gulch District, Montana / by Daniel R. Shawe and Kenneth L. Wier.... of Docs. no.: I 19.3:1857-G 1. Gold mines and mining—United States. 2. Placer deposits—United States...Chance district, MontanaG G9 Virginia City—Alder Gulch district, MontanaG G9 Boise Basin district, IdahoG |  | | Report (issue) | | produced in the United States____________ 2. Some silver- and gold-bearing oxidized zinc and zinc-lead ores...only recoverable metal. Lead, vanadium, copper, silver, gold and, in places, molybdenum, antimony, tungsten...pockets of decomposed limestone are known only in the Valley and Ridge province of the Eastern United States...metallic zinc (table 1). Zinc, zinc-lead, zinc-lead-silver, and zincA-1 A-2 OXIDIZED ZINC DEPOSITS OF THE...Alaska.. a Includes 550 tons from Davis, Murray County, Okla. 'Production to 1934 only. PART 1. GENERAL |  | | Report (volume) | | Director Bulletin 842 OF THE GREATER HELENA MINING REGION MONTANA BY J. T. PARDEE and F. C. SCHRADER UNITED...Ophir district.________________________________________________ Scratchgravel Hills and Grass Valley......__________---__--_-___ Austin district._.____..._..._._.____._____.____.___-.___._____ Marysville district.___________...___________________________________________ Gould district._______________________________________________ Stemple...._ Heddleston district.___________________________________________ Wolf Creek district.._..........__ |  | | Journal (article/letter/editorial) | | mesothermal Pb-Zn-Ag veins of the Coeur d’Alene district in northern Idaho (total production: Pb, 7.5 Mt;...associated polymetallic veins in the Butte district in Montana (total resource: Cu, 35 Mt; Zn, 4.6 Mt;...1998). The Sullivan Mine closed in 2001 after more than 92 years of production. Mining of 26 major vein...d’Alene district began in the 1880s and peaked about 1950. Production in the Coeur d’Alene district continues...access shaft). Mining at Butte began in 1875, with copper production peaking in 1917. Mining continues today |  | | Book (volume) | | in elev. From 1,000’ on the eastern border with Montana and Iowa to 3,500’ along the western boundary with...instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...commercial production of minerals, principally Gold, Silver, Copper, Iron, Lead, Manganese and Zinc, along...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides |  | | Journal (article/letter/editorial) | | through potentially ore-grade potassic, chlorite-sericite, and sericitic, to advanced argillic, the last...low- to moderatesalinity liquid that causes the sericite-chlorite and sericitic alteration and associated...in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...Highland Valley dist. Rosia Poieni Bingham Island Copper Almalyk Oyu Tolgoi Kounrad Butte Majdanpek...the geology of porphyry Cu systems at regional, district, and deposit scales. The resultant geologic model |  | Lipman, P. W., Fisher, F. S., Mehnert, H. H., Naeser, C. W., Luedke, R. G., Steven, T. A. (1976) Multiple ages of mid-Tertiary mineralization and alteration in the western San Juan Mountains, Colorado. Economic Geology, 71 (3) 571-588 doi:10.2113/gsecongeo.71.3.571 | Journal (article/letter/editorial) | | silicic porphyry. This associationis commonin many mining districtsin the Rocky Mountainsregion. waningstagesof...Engineer '.'Red Mountoln ",",//• • \\ II // mine p¾ ¸ IO 20 KILOMETRES FIC.:2. Generalized...analytical precision, Discordant zircon (No. 1) and sericite (No. 6) are excluded from averaged preferred ages...posternplacement annealing (see text). • Plagioclase. • Sericite. less direct approacheswere required. Accordingly...Possibly, detailed fission-track sericite sample from the Ute-Ulay mine, and we study of apatitescould |  | Alford, Lee, Gysi, Alexander P., Hurtig, Nicole C., Monecke, Thomas, Pfaff, Katharina (2020) Porphyry-related polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry. Ore Geology Reviews, 119. 103295 doi:10.1016/j.oregeorev.2019.103295 | Journal (article/letter/editorial) | | polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...polymetallic AuAg vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...City historic Au-Ag mining district is located in the Front Range of Colorado, USA, and has been one of...Previous studies have related ore formation in the district to the emplacement of Late Cretaceous-Paleogene |  | | Report (issue) | | decide whether a certain metalliferous deposit or district should be included or not. The problem was also...other forms) since 1935 is reviewed. New sulfur mining and recovery projects in the United States and...chemical properties of sulfur, the geology and mining operations of the salt-dome sulfur deposits, the...sulfur by superheated water through wells at Sulphur mine, Louisiana, are fully detailed. Exploration and...Swager, W. L. , and Sullivan, J. D. , 1951, Sulphur: Mining Engineering, vol. 3. , pp. 403409. The history |  | | Report (issue) | | .......... 121 Au-Ag-Te vein deposits, by K.D. Kelley, T.J. Armbrustmacher, and D.P. Klein ............Sedimentary exhalative Zn-Pb-Ag deposits, by K.D. Kelley, R.R. Seal, II, J.M. Schmidt, D.B. Hoover, and................................. 225 Mississippi Valley-type Pb-Zn deposits, by D.L. Leach, J.B. Viets...mineralized areas prior to mining, and conditions that result from mining and mineral processing. Other...as climate, and anthropogenic factors (including mining and mineral processing methods) mostly modify the |  | | Journal (article/letter/editorial) | | Lisbon Valley to the west of the La Sal igneous center, and in Colorado, the Uravan district encircles...Related deposits occur in the Boulder batholith in Montana, the Coeur d' Alene, and in eastern Washington...the accompanying chemical changes. Caribou Mine, Boulder County, Colorado Among the Front Range veins, the...Seridtization Orthoc1ase, andesine, biotite Sericite Carbonatization Feldspars Replacement by calcite...of the original crystal is preserved. Abundant sericite (25 per cent) forms after orthoclase, and lesser |  | | Journal (article/letter/editorial) | | 553-566 Structural Controls in the Red River District, New Mexico K. F. CLARK Abstract Granite stocks...east-northeasttrending graben in the Red River district, New Mexico. The stocksare localized in an area...Fissure-veindepositscontaininggold, copper,lead, zinc and silver have several trends and occur both within and outside......................... 553 by the Rio Grande Valley and on the east by the 553 High Plains countryof...resort is 8,767 feet. 557 It is nestled within the valley of a swift flowing 561 Economicgeology ...... |  | | Report (issue) | | University United States Smelting, Refining and Mining Company · . . . Utah Geological Association · ... .First Security Corporation . . . . . . .Utah Mining Association · United Park City Mines Company ·...officio member MINERAL RESOURCE POTENTIAL OF PIUTE COUNTY, UTAH AND ADJOINING AREA by Eugene Callaghan ...This study of the mineral resources of the Piute County area, prepared under a Utah Geological and Mineralogical...evaluation of the production potential of the lead-zinc-silver, gold, uranium, manganese and iron, alunite and |  | | Report (issue) | | Land Stewardship—Headwaters Province, Idaho and Montana Circular 1305 U.S. Department of the Interior...Land Stewardship—Headwaters Province, Idaho and Montana By U.S. Geological Survey Headwaters Province...land stewardship—Headwaters province, Idaho and Montana: U.S. Geological Survey Circular 1305, 92 p. Cover.... Geochronology and Geochemistry of the Idaho-Montana Porphyry Belt, by Cliff D. Taylor, Jeffrey A. Winick...Mineralization in the Boulder Batholith Region, Montana, by Karen Lund, John N. Aleinikoff, Michael J. |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Journal (article/letter/editorial) | | A-K-F plots I can characterizepotassic, quartz-sericite, argillic,andsilicicalterationassemblages andleadto...stockworkmolybdenitede- diorite-typeprospects in Montana, Idaho, western positsfrom a slightlydifferent...smallepizonalrhyoliteporphyryand/or graniteporin Idaho,Montana,Colconcentrations. However,hydrothermalprocesses...temolybdenite ThompsonCreek, Idaho; Cannivan, Montana; and systems may be dividedinto two groupswith...= 0.02, CreOa= 0.04, BaO = 0.11 :3,Cannivan, Montana; quartz monzonite 4, Climax, Colorado;Climax |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Report (issue) | | INTERIOR GEOLOGICAL SURVEY MINERAL RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation...Acknowledgment -Mining districts Commodities Production Descriptions of mining districts . Alder district-Aura district...district -Beaver district Black Mountain district Bootstrap district Burner district Burns Basin district--...-Carlin district Cave Creek district ----Charleston district_--Coal Mine district~ Contact district Cornucopia...Cornucopia district - -Corral Creek district - Decoy district Delano district Delker districtDivide district |  | | Book (volume) | | conditions: the Cumberland Plateau, the Appalachian Valley, the Appalachian Mountains, the Piedmont Plain...Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE: |
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