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| 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...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 |
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| CONTROLS OF HOT-SPRING SYSTEMS IN SOUTHWESTERN MONTANA By Robert A. Chadwick and Robert B. Leonard Open-File...Open-File Report 79-1333 Helena, Montana September 1979 CONTENTS Page SI units and inch-pound equivalents...Geologic setting of hot springs in southwestern Montana ..................... Hot springs at or near intersections...CONTROLS OF HOT-SPRING SYSTEMS IN SOUTHWESTERN MONTANA by Robert A. ChadwickV and Robert B. Leonard ABSTRACT...as hot (more than 38°C) springs in southwestern Montana appear to circulate to depth along Cenozoic block |
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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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| QuadranglMontana By GEORGE E. BECRAFT, DARRELL M. PINCKNEY, and...Lewis and Cl ark Counties, Montana. 1963. (Card 2) 1 1. 'Geology-Montana-.Jefferson City quadrangle...C:ity quadrangle. 3. Mines and mineral resources-Montana-Jefferson City quadrangle. I. Pinckney, Darrell...____________________ _ Rocks of the Boulder batholith __________________ _ Butte quartz monzonite _____________________...batholithic volcanic rocks ___________________ _ Quartz latite _____________________________ -Distribution |
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| PRELIMINARY REPORT ON THE COMET AREA JEFFERSON COUNTY MONTANA UNITED STATES DEPARTMENT OF THE INTERIOR...PRELIMINARY REPORT ON THE COMET AREA JEFFERSON COUNTY, MONTANA By George E. Becraft This report concerns... PRELIMINARY REPORT ON THE COMET AREA JEFFERSON COUNTY, MONTANA By George E. Becraft CONTENTS Page Page Abstract.......... Prebatholith volcanic rocks........... Quartz monzonite................... Alaskite ............. Comet mine ....................... Gray Eagle mine ................... Silver Hill mine.......... |
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| Cambrian rocks and gold deposits in southwest Montana by Edward T. Ruppel 1 Open-File Report 85-207.................................... Gold-bearing quartz veins and related gold deposits in the western...elsewhere in southwest Montana........................................... Mayflower mine.....................Silver Star district........................................ Rochester (Rabbit) district....................... Dyce Creek, the Argenta district, and the Bannack district................................. |
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| Syncompressional Emplacement of the Boulder and Tobacco Root Batholiths (Montana-USA) by Pull-apart along Old Fault...plutons comprising the 6000 km' Late Cretaceous Boulder batholith were emplaced at mid- to upper-crustal...the Montana thrust belt. The Tobacco Root batholith, the largest satellite pluton of the Boulder batholith...margin of the thrust belt. Emplacement of the Boulder batholith and its satellite plutons was controlled...batholith and many of the smaller plutons of the Boulder batholith. The intersecting fault sets give the |
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| The Elkhorn Mine Downloaded by [Florida International University] at 21:06 27 August 2013 J E F F E...in the Elkhorn Mountains of what was then the Montana Territory. The three prospectors explored the Elkhorn... near the center of what is now Jefferson County, Montana. Finding mineralized ground, the three located...located several lode claims, the first being the Bismark on 14 May 1868. A man named Simmons, with the aid...the discovery of the Elkhorn mine, he was in the grave long before the mine was discovered, and such claims |
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| of the Northern Tobacco Root Mountains, Madison County, Montana Abstract: In the northern Tobacco Root...northern Tobacco Root Mountains of southwestern Montana. The Pony metamorphic rocks overlie and are younger...nematoblastic amphibole, lepidoblastic biotite, elongate quartz grains, elongate feldspar grains, and rare feldspar...An example is a bytownite anorthcsite boudin in quartz dioritic gneiss, seen on Lakeshore Peak. A much...abundant near the base of the Pony in the upper South Boulder Creek area. They are parallel or nearly parallel |
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| and fluid sources in skarns: an example from the Bismark Deposit, Mexico Received: 17 October 2001 / Accepted:...September 2002 Ó Springer-Verlag 2002 Abstract The Bismark deposit (8.5 Mt at 8% Zn, 0.5% Pb, 0.2% Cu, and...limestone adjacent to the Bismark quartz monzonite stock (42 Ma) and the Bismark fault. Alteration concurrently...by kaolinite-rich veins and alteration and later quartz, sericite, and pyrite with minor sphalerite and...hedenbergite and minor vesuvinite, calcite, fluorite, and quartz. The main ore stage post-dates calc-silicate minerals |
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| described in Part A the name, U.S. Bureau of Mines mining district, reference that has the occurrence plotted...Report 50-79, 16 p, A2 (Agnes Cr.) Gold Kiana district Ambler River (10.3, 3.9) approx. OF 78-1201, loc...rather than mining. See also (Ambler Valley). (Ambler R., headwaters) Copper Kiana district Ambler River...W Malachite in quartz veins or conglomerate. At loc. 60 (67°35 f N, 156°32 f W) quartz veins (traceable...azurite and chalcopyrite. (Ambler Valley) Kiana district Gold Ambler River E 1/2 quad. Coarse gold reported |
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| gray quartz enclosing a dark green mass of diopside (pyroxene). Nashville, in eastern Howard County, is...person's collection. "These xls are found in San Diego County on private property in an area few people have...beautiful— they also fl. a very pale green. San Diego County is in southern California. 176 xli rystalllne...massive quartz. No. 3—pale green fibrous radiating tremolite. Pearl, in northern Jackson County, is in...the better specimeas are generally smaller. Rose quartz of varying color is common. Autunite, muscovite |
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| ne porphyry intrusivesinto the middle Miocene Bismark Intrusive Complex. Three epi- sodesof porphyryeraplacement...equivalent flanks both sides of the two main centers of quartz veining within the central core and is also localized...homogenizingbetween 270ø and 470øC, occur in vein quartz through the central core and, to a much lesser...vapor-dominant gas-liquid inclusions occur in vein quartz of the quartz core, calcic, and phyllic/argillic alteration...holes in the central area of copper batholithic Bismark Intrusive Complex (Fig. 1). mineralization. Titley |
 | Yang, Kyounghee, Heo, Seoyoung, Hwang, Jinyeon, Park, Sam-Gyu, Koh, Sangmo (2013) CALCITE-SATURATED FLUIDS TRAPPED IN FLUORITE FROM THE GAGOK Zn-Pb SKARN DEPOSIT, SOUTH KOREA. The Canadian Mineralogist, 51 (4) 613-628 doi:10.3749/canmin.51.4.613 | Journal (article/letter/editorial) |
| IN FLUORITE FROM THE GAGOK Zn-Pb SKARN DEPOSIT, SOUTH KOREA Kyounghee YANG§, Seoyoung HEO, and Jinyeon...Sciences, Pusan National University, Busan, 609-735, South Korea Sam-Gyu PARK and Sangmo KOH Mineral Resources...Mesozoic granite porphyry in the eastern part of South Korea. The zoning of calc-silicates relative to...calc-alkaline igneous rocks in the Taebacksan basin in South Korea, forming several skarn deposits of zinc-lead...to 1987 (Choi et al. 2009, Heo et al. 2012). The mine was reopened with an estimation of potential reserves |
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| ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA Edited by R.G. Tysdal 1 , Steve Ludington2 , and...ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 96-683-A...in west-central Montana. It lies in the vicinity of Helena, the capitol city of Montana, and includes Federal...was discovered in the region in Powell County in 1852. Mining began in the 1860's, and since then the...St. Marys-Helena Valley fault Big Belt Mountains South of St. Marys-Helena Valley fault Great Falls tectonic |
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| By Dale Baity Big Thunder Gold Mine • • IDID B). Dale Baity © 1995 Special thanks to my lovely...Black Hills History Table Of Contents Black Hills Mining History .... ... .... ... .. .. .. .. .. .................................... Page 4 1-Iardrock Mining ............................................................................. Page 7 Holy Terror Mine ............................................................................... Page 8 Key~ne Mine ................................................... |
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| Wilderness study area, Montana, and Blue Joint Roadless Area, Idaho See Montana 17 Boulder-Pioneer Wilderness...Centennial Mountains Wilderness study area, Montana and Idaho See Montana 6 Hells Canyon Study Area, Oregon and...Italian Peak Middle Roadless Areas, Idaho and Montana 19 Mount Naomi Roadless Area, Utah and Idaho See...Scotchman Peak Wilderness study area, Montana and Idaho See Montana 3 Selkirk Roadless Area 5 Selway-Bitterroot...Selway-Bitterroot Wilderness, Idaho and Montana 9 Special Mining Management Zone Clear Creek 13 2 18 15 Ten Mile |
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| The Wallapai Mining District Cerbat Mountains Mohave County Arizona GEOLOGICAL SURVEY BULLETIN 978-E...978-E The Wallapai Mining District Cerbat Mountains Mohave County Arizona By MCCLELLAND G. DINGS CONTRIBUTIONS...shoots.___________________________________________ Quartz-sulfide stockwork deposit________________________---_..._____ Champion mine.__--_--___________-____-_____ ___----______-___ Emerald Isle mine.______________...Descriptions of mines and prospects Continued Golconda mine-_______________________________________________ |
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| gold-bearing areas. Lode deposits usually consist of Quartz veins in solid rock, while placer deposits occur...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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| the Custer and Gallatin National Forests, South-Central Montana compiled by Bradley S. Van Gosen1 Open-File............... 5 II. New World (Cooke City) mining district ....................... 32 III. Goose Lake..................... 35 V. Independence mineral district ............................... 37 VI. Jardine-Mineral...Hill-Crevice Mountain mineral district ............ 39 VII. Emigrant mineral district .......................... 40 VIII. Chromite deposits of the Red Lodge district .................... 41 I.. Investigations of |
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| malachite Gangue minerals: Geologic description: Quartz vein cuts limestone and contains malachite, azurite...Resource Data File Page? Site: Jade Mountain Type: Mine ARDFno. AR006 Latitude: 67.21 Quadrangle: AR A-5...05 Location description and accuracy: Located on south slope of Jade Mountain above Jade Creek in T. 21...10/26/92 Alaska Resource Data File Page 10 Site: Bismark Creek Type: Prospect ARDFno. AR008 Latitude: 67...description and accuracy: Location at the confluence of Bismark Creek and the Shungnak River in T. 19 N., R. 7 |
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| localities and geological succession in Ontario County and New York, where the Phyllopods which he previously...other " Memorandum on the Discussion regarding the Boulder-beds of the Salt-range," by H. B. Medlicott, F...the relative age of the Conularia beds, and the boulder-beds underlying them, can be regarded as settled...examined the horizontal beds of conglomerate of white quartz pebbles in a calcareous matrix, which, in the neighbourhood...Arizona, New Mexico, Montana, the Yellowstone Park, Massachusetts, the Denver District of Colorado, and part |
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| ....................................... 102 District of Columbia ......................................... 139 144 146 153 158 163 169 . 172 174 Montana........................................................... South Carolina......................................:.................... South Dakota.......to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals that are widely distributed, such as quartz and calcite |
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| Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...feet thick in the south, grading to 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |
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| Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...feet thick in the south, grading to 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |
