 | | Report (issue) | | efficiencies of 20 to 40 percent and leading to lower production costs. Selenium is a critical element...metric tons; Belgium, 10 metric tons; and West Germany, 7.3 metric tons. In 1952, Belgium increased its...it briefly slipped into second place in 2005. Germany was the second-ranked international producer in...uraniumselenium-polymetallic deposit in Erzgebirge, Germany, where Förster (2005) documented the entire clausthalite...0.002 Gold-selenium Eisenberg, near Korbach, Germany Clausthalite (common) n.r. Gold-silver-quartz-adularia |  | | Book (edition) | | Prof. of Mineralogy, University of Cologne, West Germany; Curator of The Mineralogical Museun1. A dear friend... Mineralogical Museum, University of Cologne, Germany Mineralogical Museum , University of Berne, Switzerland...value than a precious stone, ordinarily one with a lower hardness and brilliance and/or greater abundance...sparsely disseminated in uraniferous lignite in the lower Ludlow member of the Fort Union formation in the...Colorado at the Pelican Dives rnine , Silver Plun1e district, and at the Little Emma mine, Clear Creek County; |  | | Book (edition) | | Mountains, Utah; (lower /eft) rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite...Cloud mine, Arizona; (lower right, center) mimetite, Tsiimehb, Namibia; (lower, right) gold, Amazonas...value than a precious stone, ordinarily one with a lower hardness and brilliance and/or greater abundance...sparsely disseminated in uraniferous lignite in the lower Ludlow Member of the Fort Union Formation in the...Colorado at the Pelican Dives mine, Silver Plume district, and at the Little Emma mine, Clear Creek County; | | | Book (edition) | | Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...Clouo rrnn·a, Arizona; (lower right, center) mimetite, Tsurneb, Namibia, (lower, right) gold, Amazonas...value than a precious stone, ordinarily one with ~ lower hardness and brilliance and/ or greater abundance...sparsely disseminated in uraniferous lignite in the lower Ludlow Member of the Fort Union Formation in the...Colorado at the Pelican Dives m.ine, Silver Plume district, and at the Little Emma mine, Clear Creek County; |  | | Report (issue) | | Cave-in-Rock subdistrict, Illinois-Kentucky fluorspar district............................................G3...Cantabrian salt-related carbonate-hosted mineral district in north-central Spain..........................Red Dog mining district in Alaska and the stratigraphy of selected deposits in the district...............management issues related to mining larger deposits for lower ore grade; water-management issues related to both...in the Copper Basin (or Ducktown Basin) mining district in Tennessee (Quinn, 1993). Numerous lawsuits |  | | Book (edition) | | Ches Cheshire, England. 5 Clev Cleveland iron district, England. Colom Republic of Colombia. Corn...Canal Zone KS Kansas ND North Dakota DC District of Columbia KY Kentucky OH Ohio GU Guam ...Mg2+ . Admitted trace elements generally have a lower concentration relative to the major element in the...silt, usually forming as sheets in the central or lower parts of desert basins, as in the playas of the... or relatively high, atmospheric pressure to a lower one. Hunt b. 56 The disease or condition caused |
|
