| | Journal (article/letter/editorial) | hollandite from the Schryburt Lake carbonatite complex, northwestern Ontario, Canada R. GARTHPLATr Department...Geology, Lakehead University, Thunder Bay, Ontario, Canada P7B 5El Abstract Within a suite of felsic-free...ultramafic rocks of the Schryburt Lake carbonatite complex of northwestern Ontario, loparite and Ba-Fe hollandite...modal proportions of Mg-olivine, phlogopite, magnetite, ilmenite, apatite and carbonate (generally calcite)...showing evidence of marginal resorption. It exhibits complex zonal patterns due principally to variations in | | | Journal (article/letter/editorial) | Canadian Shield. Other, less well-defined, events in Canada include magmatism at 1770 Ma from Argor, 570 Ma...University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada e-mail: arukhlov_ablinova@shaw.ca Present...Building, 4999 - 98 Avenue, Edmonton, Alberta T6B 2X3, Canada of plume magmatism and associated continental...30 29 Ontario, Canada SR-18-9 SR-18-10 BB-35 Big Beaver House Schryburt Lake 28 Ontario, Canada...Canadian Shield Gods Lake Subprovince, Superior Province, Canadian Shield Gods Lake Subprovince, Superior | | | Book (edition) | (Jacupiranga, Brazil). In addition deposits of fluorite, magnetite, vanadium, and vermiculite occur associated with...occurrences in the United States (nearly all localities), Canada, Germany, Norway, Sweden, Uganda, Tanganyika, Nyasaland...Description of Carbonatites of the World United States Canada Brazil Greenland, Europe, and the U.S.S.R. Africa...Geological Survey and H. von Eckermann (1948A) : Ontario Department of Mines and G. E. Parsons (1961)...Geological Survey and H. von Eckermann (1948A) : Ontario Department of Mines and G. E. Parsons (1961) : | | | Book | Howard Mitchell Lakehead University Thunder Bay, Ontario Canada SPRINGER SCIENCE+BUSINESS MEDIA, LLC Library...Natural Sciences and Engineering Research Council of Canada, Lakehead University, and De Beers Consolidated...3. Boshof District . . . 1.8.3.1. Roberts Victor 1.8.3.2. New Elands 1.8.4. Winburg District ... 1.8.5...Kroonstad District .. 1.8.6. Swartruggens District. 1.8.7. Dokolwayo .. 1.8.8. Prieska District 1.8.9. Summary...Kimberlites and orangeites are petrographically complex rocks. Both are hybrids consisting of crystals |
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