 | | Journal (article/letter/editorial) | | Physics, University of Toronto, Toronto, Ont., Canada M5S 1A7 Can. J. Earth Sci. Downloaded from www...terrane. This would imply tilting in a roughly north-south direction about 2300 Ma ago. Low ages (ca...area of Precambrian Shield rocks. It is a vast complex of metamorphic and igneous rocks comprising several...proposed to explain the associated anomalies: e.g., a complex horst, uplifted during the Proterozoic (Bennett...suggested that KSZ rocks remained above the U-Pb zircon 'Now at Centro de Investigacibn Cientifica y Educacibn |  | | Journal (article/letter/editorial) | | Chapleau-FoleyetArea, Ontario JouN A. Pencrver Geological Survey of Canada 588 Booth Street, Ottawa, Ontario KIA 0M...0M Canada Abstract High-gradeArchean rocks are exposedin the central Superior Province ofthe Canadian Shield...Abitibi subprovince to the east across the Ivanhoe Lake cataclastic zone. Grade decreases gradually through...area of -3 x 106km2. The tance of 500 km by the north-northeast-trending Kapus(Thurston et al., 1977)(Fig...U-Pb dates on zircon from leucosome in paragneiss(2627-+5Ma) and on metamorphic zircon in sive bodies |  | | Journal (article/letter/editorial) | | high-grade gneisses of the Kapuskasing structural zone, Ontario: metamorphic fluids and uplift]erosion path Roberta...the 2.7 Ga Kapuskasing structural zone (KSZ), Ontario, were examined with petrographic, microthermometric...the Kapuskasing structural zone (KSZ), eastern Ontario (Fig. 1), were studied in an attempt to define...setting The KSZ extends from the northeast shore of Lake Superior to the southern end of James Bay, consisting...xenolithic tonalite, and the Shawmere anorthosite complex (Percival 1981). All rock types have equilibrated |  | | Book | | Part 1: North and South America Alkaline Rocks and Carbonatites of the World Part 1: North and South...Alkaline rocks and carbonatites of the world. Pt. 1, North and South America 1. Alkalic igneous rocks I. Title...................................... 4 NORTH AMERICA Canada...........................................exploration in particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for...Lengai natrocarbonatite volcano and the Ilimaussaq complex, but comparative studies on alkaline rocks have |  | | Book | | University of Manitoba, Winnipeg, Man. R3T2N2, Canada ELSEVIER, Amsterdam - Oxford - New York - Tokyo...Netherlands Distributors for the United States and Canada: ELSEVIER SCIENCE PUBLISHING COMPANY INC. 52, Vanderbilt...colour index. This is, without doubt, the most complex lithologie association to be handled from the point...or in the mine workings at all. The Climax Mo complex is the best known example. Here three generations...Buddington (1959) in his classical paper on the North American granites, proposed a three-fold depth subdivision |  | | Book | | University Man. R3T2N2, of Manitoba, Winnipeg, Canada ELSEVIER, Amsterdam - Oxford - New Y o r k - T...Netherlands Distributors for the United States and Canada: ELSEVIER SCIENCE PUBLISHING COMPANY INC. 52,...colour index. This is, without doubt, the most complex lithologic association to be handled from the point...or in the mine workings at all. The Climax Mo complex is the best known example. Here three generations...Buddington (1959) in his classical paper on the North American granites, proposed a three-fold depth subdivision |
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