 | | 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 âgold and silver,â and the state seal with its representation of mining tools clearly proclaim...Montanaâs mining origins. Montanaâs 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...been recorded from Butte. Specimens of copper sulïŹdes and sulfosalts like bornite, chalcocite, colusite...rank among the ïŹnest 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...Kelley #2 (rightbackground) mines, Butte, ca. 1965. World Museum of Mining photo. 6 The Mineralogical Record |  | | Journal (issue) | | BUTTE, MONTANA Butte, Montana Minerals, Mines and History The Mineralogical Record Volume 33 âą Number...cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection; Jeff Scovil...painted to illustrate âThe Story of Montana: The Treasure of Butte Hill and Development of the Great Copper...volume 33, JanuaryâFebruary, 2002 Contents Butte, Montana: Minerals, Mines and History By Robert E. Jenkins...Jenkins & Jerry A. Lorengo Ed McDole: âMontana Mineral Kingâ By Richard A. Bideaux Whatâs new in minerals: |  | | Journal (article/letter/editorial) | | of the Flooded Underground Mine Workings of Butte, Montana CHRISTOPHER H. GAMMONS,1,â DEAN M. SNYDER,1...Engineering, Montana Tech of The University of Montana, 1300 West Park Street, Butte, Montana 59701 2 Department...Applications, 200 Technology Way, Butte, Montana 59701 Abstract Over a century of mining and smelting of the world-class...world-class porphyry lode ore deposit at Butte, Montana, has resulted in extensive environmental damage...of the worldâs largest and most acidic mining pit lakes, Butte is host to over 16,000 km of flooded underground |  | Lund, Karen, McAleer, Ryan J., Aleinikoff, John N., Cosca, Michael A., Kunk, Michael J. (2018) Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic lodes overprinted by younger stockwork Cu-Mo ores and penecontemporaneous Cu lodes. Ore Geology Reviews, 102. 666-700 doi:10.1016/j.oregeorev.2018.05.018 | Journal (article/letter/editorial) | | Accepted Manuscript Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic... M.J. Kunk, Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic...journal pertain. Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic...U.S. Geological Survey, MS 926-A, 12201 Sunrise Valley Drive, Reston, VA 20192 rmcaleer@usgs.gov c U.S...for world-class deposits of the Butte mining district, Montana, USA, is deep pre-Main Stage porphyry |  | | Journal (article/letter/editorial) | | Structural Geologic Evolution of the Butte District, Montana Robert A. Houstonâ ,* 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...(15°) ESE tilting in the hanging walls of the Continental, East Ridge, and Rocker normal faults. Stratigraphic |  | Lund, K., Aleinikoff, J. N., Kunk, M. J., Unruh, D. M., Zeihen, G. D., Hodges, W. C., du Bray, E. A., O'Neill, J. M. (2002) SHRIMP U-Pb and 40Ar/39Ar Age Constraints for Relating Plutonism and Mineralization in the Boulder Batholith Region, Montana. Economic Geology, 97 (2) 241-267 doi:10.2113/gsecongeo.97.2.241 | Journal (article/letter/editorial) | | Mineralization in the Boulder Batholith Region, Montana KAREN LUND,â U.S. Geological Survey, Mail Stop...Denver, CO 80225 GREGORY D. ZEIHEN, Montana Resources, Butte, Montana 59701 WENDY C. HODGES, U.S. Geological...batholith, Montana, hosts a variety of mineral deposit types, including important silver-rich polymetallic...the northern part of the batholith and the giant Butte porphyry copper-molybdenum pre-Main Stage system...deposits and magma for quartz porphyry dikes at Butte have all been considered to be late-stage differentiates |  | Field, C.W., Zhang, L., Dilles, J.H., Rye, R.O., Reed, M.H. (2005) Sulfur and oxygen isotopic record in sulfate and sulfide minerals of early, deep, pre-Main Stage porphyry CuâMo and late Main Stage base-metal mineral deposits, Butte district, Montana. Chemical Geology, 215 (1) 61-93 doi:10.1016/j.chemgeo.2004.06.049 | Journal (article/letter/editorial) | | Main Stage base-metal mineral deposits, Butte district, Montana C.W. Fielda,*, L. Zhanga, J.H. Dillesa...Geosciences, Oregon State University, Corvallis, OR 97331, USA U.S. Geological Survey, MS-963, Denver Federal Center...CO 80225, USA c Department of Geological Sciences, University of Oregon, Eugene, OR 97403, USA Accepted...throughgoing, Main Stage polymetallic veins of Butte. Among the sulfur-bearing minerals recovered from...conventionally bmagmaticQ value of about 1x or 2x for Butte sulfur. However, the high modal mineral ratios of |  | | Report (issue) | | Land StewardshipâHeadwaters Province, Idaho and Montana Circular 1305 U.S. Department of the Interior...Land StewardshipâHeadwaters Province, Idaho and Montana By U.S. Geological Survey Headwaters Province...land stewardshipâHeadwaters 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. |  | | Report (Issue volume) | | of nonfuel minerals and a chapter on trends in mining and quarrying in the metals and industrial mineral...State mineral production and mineral production by county were prepared in the Division of Statistics and...Resources, Division of Geology and Land Survey. Montana: Montana Bureau of Mines and Geology. V Nebraska:.... . . . . . . . . . . . . . . . . . . âą âą 291 Montana, by Rodney J. Minarik and R. B. McCulloch . . ...this report. Name State____________ SECTION 2. County _ __ _ _ _ _ _ _ _ __ Stocks. production, end |  | | Journal (article/letter/editorial) | | in the Porphyry Copper-Molybdenum Deposit at Butte, Montana BRIAN G. RUSKâ ,* MARK H. REED, Department of...97331 Abstract The porphyry Cu-Mo deposit in Butte, Montana, formed where magmatic hydrothermal fluids...porphyrytic dikes, fractured and permeated the Butte Quartz Monzonite. These fluids formed a stockwork...offset along the Continental fault provide a vertical view of almost 3 km through the Butte deposit. Deep...inclusion phase relationships indicate that the Butte porphyry Cu-Mo deposit formed at 5 to 9 km depth |
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