 | | Journal (article/letter/editorial) | | Element Deposition, Sudbury Igneous Complex Contact, Onaping-Levack area, Ontario Catharine E. G. F a...Ottawa-Carleton Geoscience Centre, Ottawa, Ontario, Canada With 5 Figures Received September 17, 1991;...element deposition in the Onaping-Levack area of the North Range of the Sudbury Structure. Two significant alteration...adjacent to Cu-rich veins in the Deep Copper Zone of Strathcona mine and the nearby Barnet property, and...magnetite in the Fraser mine Epidote Zone. The concentrically zoned Epidote Zone alteration has been further |  | | Journal (article/letter/editorial) | | unnamed iron hydroxychloride in the Deep Copper Zone of the Sudbury Complex (Springer, 1989), hibbingite...analyses of fresh hibbingite from the Duluth, Sudbury, and Noril'sk Complexes and from the Korshunovskoye...hibbingite-kempite; Fr - froodite; MT - magnetite; MK - mackinawite; URV - urvantsevite; CB - cabbriite; CP chalcopyrite;...(Fe,(O,OH)~6CI<2; Post and Buchwald, 1991) in Sudbury hibbingite. Mode of formation The occurrences...i distinct from those found in the Duluth and Sudbury Complexes because of their formation inside sulphide |  | | Report (issue) | | Platinum-Group Elements Edited by Louis J. Cabri Ottawa, Ontario Published for the Geological Society of CIM as...de Maisonneuve Boulevard West Montréal, Québec, Canada H3Z 3B8 ISBN 1-894475-27-5 Papers in this volume...Petroleum, Special Volume 54, p. 483-506. PRINTED IN CANADA by Marc Veilleux Imprimeur Inc. Preface Background...in countries like the Republic of South Africa, Canada, and Finland. Over the last five or so years, colleagues...to and immediately following my retirement from Canada Centre for Mineral and Energy Resources (CANMET) |  | | Book (edition) | | colours once they occur in their oxidised states: Copper minerals then show green, blue, and sometimes red...tenorite and/or malachite plus azurite; native copper and cuprite are less common in this suite. Right...strong internal reflections strong, vivid blue to deep violet and brown complex twins, lamellar Pyrargyrite...strong, silverwhite, dark, pink, deep blue isotropic common Djurleite deep lamellar blood-red dark red...14 brown- to blue-grey indigo-blue; marked, 11.31 deep blue to bluegrey brownish to blu- brownish ish grey; |  | | Journal (article/letter/editorial) | | ores containing bornite, anhydrite, magnetite, mackinawite (3–5 wt % Ni), valleriite, calcite, ankerite...veins, and impregnations mainly in the lower contact zone of igneous rocks and in the adjacent wall rocks...ingrowths of froodite (white). Microveinlets of mackinawite with anhydrite (black) and parkerite metacrysts...(Spiridonov et al., 2000). Numerous occurrences of copper–zeolite mineralization related to burial metamorphism...Oktyabrsky– Taimyr deposit. lar pyrrhotite, mackinawite, marcasite, bornite, low chalcocite, würtzite |  | | Report (issue) | | (K) Molengraaffite Montasite Namaqualite Ni-mackinawite Ni-Mg olivine Nickel ludwigite Oxymagnite Po...Na-Ca-enstatite • Nb-er-Mg-ilmenite Nb-Cr-rutile Nickel-mackinawite Palladic platinum Pd-electrum Potassium richterite...California, U.S.A. (Switzer and Bailey, 1953); Mihara mine, Okayama Prefecture and at Fuka, Okayama Prefecture...crystals in one mineralised pocket in the Wessels mine, Farm Wessels 227, Hotazel district, Northern Cape...allanite-(La) is described from Hemlo gold deposit, Ontario, Canada (Pan and Fleet, 1991 ). Another recently documented |  | | Journal (article/letter/editorial) | | PG-elements - - - - - - - Elements: gold (Au), copper (Cu) and rhenium (Re) Intermetallides: awaruite... chalcopyrite (CuFeS2), cubanite (CuFe2S3), mackinawite ([Fe, Nill_xS), mooihoekite (Cu9Fe9S16), pentlandite...hollingworthite. It is also conceivable that gold, copper and possibly silver form solid-solution series...concentrations of both these PG-elements within gold and copper (Table 3) and the existence of such unidentified...Mineral wt % Reference Iridium Awaruite Cobaltite Copper Gersdorffite Nickeline Orcelite Pentlandite 27 |  | | Book | | South Africa 189 3.4.2. The Mackenzie dyke swarm, Canada 190 3.4.3. Parami-Etendeka dykes 192 3.5 Intracontinental...systems 6.3.1. Anorogenic metamorphism in the Central Zone ofthe Damara Orogen, Namibia 6.3.2. Anorogenic metamorphism...Cambridge University Press. Jacobs, J. A., (1992) Deep interior ofthe Earth. Chapman Hall, London. Orovetskii...(1999) Flood basalts and !arge igneous provinces from deep mantle plumes: fact, fiction, and fallacy. Tectonphysics...from the 3 Ga Lumby 1ake greenstone be1t, Ontario, Canada. Geo1ogy, 26: 719-722. PARTONE CHAPTERONE |  | | Journal (volume) | | ultramafics, chromitite, gabbros, geochemistry, copper ores, vanadium ores, nickel ores, platinum ores...clinopyroxene (augite, diopside, hedenbergite) chromite copper equivalent, wt% (includes Cu, Ni and part of Pd...Lowermost Lower Chromitite Lower Zone atomic Mg/Mg+Fe ratio Main Zone Ni concentration (in wt%) in calculated...Upper Chromitite Uppermost Lower Chromitite Upper Zone Valtion Teknillinen Tutkimuskeskus (Technical Research...subtle changes in grussification weathering are found deep in hard rocks, for instance, maghemitization of |  | 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) | | All rights reserved. Published simultaneously in Canada. Reproduction or translation or any part of this...Ercit: Canadian Museum of Nature, Ottawa, Ontario, Canada. Richard C. Erd: U.S.G.S., Menlo Park, California...Denmark. Joseph A. Mandarino: Royal Ontario Museum, Toronto, Ontario. Olaf Medenbach: Institut fur Mineralogie...non-crystallographic symmetry. 4) Miller Indices and Zone Symbols (KH, Ch. 2) The Miller indices of a crystallographic...function of the first two such that i= -—(h+k).) Zone symbols, enclosed in square brackets, [uvw], are |  | | Book | | 8 The East Kemptville Sn Greisen, Nova Scotia, Canada . 4.3.9 The Brandberg West Greisen Vein Systems...Scheelite Dome, an Intrusion-Related Au Deposit, Yukon, Canada . . . . . . . . . . . . . . . . . . . . . . . ...(Siberia) and Northwestern Mongolia (Yustid Rift Zone) . . . . . . . . . . 4.5 Hydrothermal Systems Associated...Complexes. . . . . . . . . . . . 4.6 Iron Oxide-Copper-Gold-Rare Earth Elements-Uranium Mineral Systems... 5.4.2 Geothermal Systems of the Taupo Volcanic Zone, New Zealand . . . . . . . . . . . . . . . . . |
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