 | | 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 (issue) | | BUTTE, MONTANA Butte, Montana Minerals, Mines and History The Mineralogical Record Volume 33 • Number...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: |  | | 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...Kelley #2 (rightbackground) mines, Butte, ca. 1965. World Museum of Mining photo. 6 The Mineralogical Record |  | | Journal (article/letter/editorial) | | recorded for speleothems, soil carbonates, and malachite, suggesting that azurite commonly derives much...minerals in zones where PCO2 is too high for malachite, (CuCO3)• Cu(OH)2, to be stable (Garrels and Christ...Christ, 1965; Vink, 1986). Both azurite and malachite display botryoidal, mamillary, and coloform textures...Melchiorre et al., 1999). Azurite often alters to malachite as evidenced by pseudomorphic textures (e.g.,...al., 1977), though azurite rarely forms after malachite. Conditions of azurite formation may be determined |  | | Journal (article/letter/editorial) | | Oxygen andCarbonIsotopeStudyof NaturalandSynthetic Malachite ERIK B. MELCHIORRE?ROBERTE. CRIss, Department...NationalLaboratory, Liver•nore, California94550 Abstract Malachite, a common secondary mineralin thezoneof oxidation...neededinformation on the formativemechanisms of malachite by establishing the source mateddais andtemperature...lSOandlaCisotope fractionations between malachite • andwaterandbetween CO2gasand malachite weredetermined byslowprecipitation...This similarity supports thefieldevidence of malachite formingcaliche-like crusts andspeleothem-like |  | | 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. |  | | 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:.... . . . . . . . . . . . . . . . . . . • • 291 Montana, by Rodney J. Minarik and R. B. McCulloch . . ...this report. Name State____________ SECTION 2. County _ __ _ _ _ _ _ _ _ __ Stocks. production, end |
|
