 | | Book (edition) | | is cross-cut by a crack filled with secondary covellite (blue). Optically Similar Minerals of comparable...increasing oxidation potential: bornitechalcocite/covellite-tenorite and/or malachite plus azurite; native...orange to brown Vonsenite strong, orange shades Covellite strong, yellowish brown to bluish violet grey...Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL If marked in description... Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia (sample: Melcher/Oberthür); PPL D Fine-grained |  | | Book | | the same passion for minerals and the NE Bavarian region. The Oberpfalz was his home and my adopted country...Bohemian Massif, which is shared by Germany, the Czech Republic, Poland and Austria, has been focused on these...the principal techniques of deep geophysics, this region enables us to look at the origin of pegmatites...to find new profitable mineral deposits in the region are not very promising and mining in Germany is...with much success. The Hagendorf-Pleystein mining district consists of several pegmatites and aplites, including |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...hundred kilometers. Most of them orbit the Sun in a region called the asteroid belt, which is between the...such as Porcupine and Hemlo districts; Noranda district, Quebec. USA: Mother Lode belt and others in...Localities Canada: Cobalt mining district and Thunder Bay District, Ontario. USA: several localities...Sainte-Marie-auxMines, Alsace, France; Schemnitz, Czech Republic. Africa: Tsumeb, Namibia. Australia: Broken |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Dept. of Mineralogy, National Museum, Prague, Czech Republic. Seppo Lahti: Geological Survey of Finland...Co., Bonanza mine, Trinity Co., Michigan Bluff district, Placer Co., in AK, placers at Fairbanks, Iditarod...and quartz veins at Juneau. In Canada, Noranda district, PQ; Porcupine, Kirkland Lake, and Larder Lake...deposits, ON; Atlin and Caribou, BC; and Klondike district, YT. In Mexico, Altar and Magdalena, SON; Parral...localities, AZ; Calico district, San Bernadino Co., Cerro Gordo(*), Inyo Co., Bodie district, Mono Co., and other |  | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...quartz-pyrite gangue, and it is gradational into covellite, digenite, colusite and bornite-chalcopyrite veins...BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S.R. This is an outstanding region of Permo-Carboniferous...interpreted as marking the cores of stratovolcanoes. The region is densely mineralized and contains the principal |  | | Book | | to new sulphides (eg chalcosine, bornite and covellite). Products of chemical weathering which are deposited...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum Desert and Volgaland...(217), marcasite (437) e Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit...15cm have been found at Pernek (Czecho- 1. Covellite — granular aggregate from oxidation zone of ore...volcano Avachinskaya in Kamchatka (USSR), Wiesbaden region (FRG) e Application: chemical, glass and food industries |  | | Report (volume) | | new leonite-type mineral from the Lavrion Mining District, Greece. Eur J Mineral 7:559-566 Giester G, Rieck...Cu4Cd(SO4)2(OH)6·4H2O, a new mineral from the Lavrion Mining District, Greece. Mineral Petrol 63:19-34 Gillespie RJ...minerals of the alunite group from the Coquimbo region, Chile. Am Mineral 77:1275-1284 Li JJ, Zhou JL...of the apatite group from Leadhills, Strathclyde region. Scottish J Geol 23:1-8 Louisnathan SJ, Gibbs GV...molecules that are sensitive to light in the visible region, such as Fe3+ in iron sulfates (Rossman 1975, Huang |
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