 | | Journal (article/letter/editorial) | | monoclinic pyrrhotites in some sulphide ores from Norway Gu LIANXING* AND FRANK M. VOr,ES Department of...University of Science and Technology, N-7034 Trondheim, Norway Abstract Pyrrhotites in polished sections from...sulphide and magmatic nickelcopper deposits in Norway were studied under the microscope using the magnetic...and Lindqvist, 1979; Gu et al., 1988, 1993). In Norway, however, little work has been published *Present...nickel-copper and stratabound massive sulphide deposits in Norway (see Tables 1 and 2 for deposit names). PYRRHOTITE |  | | Report (issue) | | Holandsfjord . . 71 F. M. Vokes: Observations at Raipas Mine, Alta . . . . 103 Norges geologiske undersøkelse...over Norges geologiske undersøkelses publika~oner og kart . . . . . . . . . . . . . . . . . . . . . ....East-Jotunheimen. With 19 text-figures. Sammendrag: Spessartitt og pseudotachylit fra Jotunheimens skyvesoner . . ....Peridotite at Engenbræ, Holandsfjord, Northern Norway. With 13 textfigures. Sammendrag: Bergartene omkring...71 F. M. Vokes: Observations at Raipas Mine, Alta, Finnmark. With 5 textfigures. Sammendrag: Iakttagelser |  | | Journal (article/letter/editorial) | | Trondheim-Norwegian Institute of Technology, 7034 Trondheim, Norway (Received April 2, 1991; accepted after revision...variety of metals up to the present. The earliest mining efforts on North American representatives were...Present-day mining is restricted to a number of deposits in USA, Canada, Sweden and Norway, a number which...deposit of the US is unique in that the recent mining (post-1950 to its closing in 1987) was primarily...Sweden (Stephens et al., 1979; Zachrisson, 1980), Norway (Bjorlykke et al., 1979, 1980), Ireland and the |  | | Report (issue) | | in minable amounts. Gangue minerals may include quartz, barite, calcite, gypsum, sericite, or chlorite...arbitrary 500-m limit may combine deposits within a district (e.g. Quemont-Horne), or subdivide a large deposit...Fragmental Ferruginous Hornblende Manganiferous Porphyry Quartz Sericite Volcanic Table C. CODE HOST AGE NAMES...LANE PYROLUSITE PYRITE PYRARGYRITE PYROMORPHITE QUARTZ REALGAR RHODOCHROSITE RUTILE SULFUR SAUSSERITE...France Great Britain Guatamala Iran Ireland Japan Norway Oman Pakistan Philippines Portugal Saudi Arabia |  | | Report (issue) | | gold 79 Epithermal gold, quartz-adularia type 82 Epithermal gold, quartz-alunite type 90 Nickel laterite-oxide...Name Country Ace of Spades Adobe Canyon Gp. Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue...Chrome, etc. Buttercup Chrome Camden Mine Camptonvilie area Castro Mine Cattle Springs Cavyell Horse C (continued...Cleopatra Clover Leaf Codd Prospect Coggins Col lard Mine Commander Coon Mt. Nos. 1-3 Copper Creek (Low Divide)...Fourth of July French Hill Friday Gallagher Gardner Mine Gas Canyon Geach Bibsonville Glory Ho Griffin Chromite |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | lead-zinc deposits (4.8) 28 Epithermal gold, quartz-adularia type (5.4) 30 Hot springs gold-silver...Sandstone-hosted lead-zinc deposits 27 13. Epithermal gold, quartz-adularia type 29 14. Hot springs gold-silver...complex mineralogy (such as the California-Vetas district) would be useful, not only for exploration in...the Eastern Cordillera at the California-Vetas District (Domain 23) (Sillitoe and others, 1982). Undiscovered...Deposits are recognized in outcrop by their dense quartz stockwork, stable potassium feldspar in altered |  | | Report (volume) | | epithermal quartz-alunite Au, by Byron R. Berger 155 158 Grade and tonnage model of epithermal quartz-alunite...clastic sedimentary rocks 29a Descriptive model of quartz pebble conglomerate Au-U, by Dennis P. Cox 29b...low-sulfide Au-quartz veins, by Byron R. Berger 239 Grade and tonnage model low-sulfide Au-quartz veins, by...rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...Tonnages of epithermal quartz-alunite vein deposits 160 Gold grades of epithermal quartz-alunite vein deposits |  | | Report (issue) | | William X. Chavez de la New Mexico Institute of Mining and Technology, EUA y Jose Manrique Z. de la 3...EJEMPLOS High Plateau, Del Norte County, USCA Goto Mine, Luzon, PLPN (Wells y otroa, 1946) (LeBlano y Violette...Nombre Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue...etc Buttercup Chrome Camden Mine Campbell Camptonville area Castro Mine Cattle Springs Cavyell Horse...Cleopatra Clover Leaf Codd Prospect Coggins Collard Mine Commander Coon Mt. Nos. 1-3 Copper Creek (Low Divide) |
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