 | | Journal (article/letter/editorial) | | texture composed of olivine, Ti-rich augite, nepheline and Ti-rich magnetite. Oxyphlogopite is found...0–20.0 wt% TiO2) and perovskite (Figs. 3a-d). Nepheline is the most abundant groundmass phase; it is partially...Ap: apatite, Agt: augite, Gon: gonnardite, Ne: nepheline, Ol: olivine, Phl: Ba- and Ti-rich oxyphlogopite...partitioned in zeolites (up to 1.1 wt% BaO). Neither nepheline nor clinopyroxene is the repository for Ba. The...formation of Ba-bearing gonnardite from Ba-poor nepheline, as well as the crystallization of Ba- and Ti-rich |  | | Book | | ............................ 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...style adopted for Currie's 'The Alkaline Rocks of Canada' (1976) and the descriptions of carbonatites compiled...amphiboles'. The rocks included are, therefore, the nepheline syenites (phonolites) and ijolites (nephelin...instance, containing normative but not moda.l nepheline, are excluded. However, sometimes these rocks |  | | Report (issue) | | and related rocks from Westland and Otago, South Island, New Zealand . Barbara A. Barreiro and Alan F....volcanism in oceanic and continental settings; Clarion Island versus the eastern Trans-Pecos magmatic province...seamounts, and transforms—but are also associated with island arcs and ophiolites. The following summary of symposium...not all melt is removed from the mantle source region. However, even trace-element modeling and Sr and...carbonatites, lam¬ prophyres, and related rocks of South Island, New Zealand, had a mantle source that also experienced |  | | Book | | Library of Canada Cataloguing in Publication Data Main entry under title: Mineral Deposits of Canada: A Synthesis...and Exploration Methods Geological Association of Canada, Mineral Deposits Division, Special Publication...1. Ore deposits--Canada. 2. Metallogeny--Canada. 3. Physiographic provinces--Canada. 4. Mines and niineral...niineral resources--Canada. 5. Prospecting--Canada. I. Goodfellow, Wayne D. (Wayne David), 1949Il. Geological...Association of Canada III. Series: Special publication (Geological Association of Canada. Mineral Deposits |  | | Report (issue) | | Robinson memorial volume: Geological Association of Canada Special Paper 25, p. 149-161. Aitken, J. D., and...the Cordilleran Orogen in Canada: Canada Geological Survey, Geology of Canada, no. 4, p. 97-124. Aitken...Geology of the Field map-area, B. C., and Alberta: Canada Geological Survey Memoir 55, 312 p. Allard, P....southeastern B. C. [abs.]: Geological Association of Canada Program with Abstracts, v. 15, p. A3. -4- Andrew...diabase sheets, Mackenzie Mountains, northwestern Canada: Canadian Journal of Earth Sciences, v. 19, p. |  | | Book | | Mitchell Lakehead University Thunder Bay, Ontario, Canada SPRINGER SCIENCE+BUSINESS MEDIA, LLC Library...Natural Sciences and Engineering Research Council of Canada; Lakehead University; the Polar Continental Shelf...Shelf Project of Energy, Mines, and Resources, Canada; and De Beers Consolidated Mines are acknowledged... . . . . . . . . . . . . . . 6.6.3.2. Somerset Island Kimberlites (Mitchell1978a, 1979b, Clarke and Mitchel/1975...acrimoniously debating the origin of carbonatites and nepheline-bearing rocks and that Shand was one of the chief |
|
