 | | Journal (article/letter/editorial) | | oxygen ~topic ~rn~~on of ~~~at~ the Oka Carbonatite complex, Quebec, Canada PETER from DEINES Department...awepted ira re~~sea~o~ 5 Jum 1970) Abstract-X%e Oka complex is a carbonatite belonging to the alkaline...hundred and fifty carbonatite rook samples from the Oka carbonatite complex were analyzed for the carbon...GEOLOGIC SETTM~ OF THE OKA CARBONATITE The structure, petrology, and geochemistry of the Oka carbonatite complex...the complex is based mainly on Gold’s work. The Oka carbonatite has been considered part of the Monteregian |  | | Journal (article/letter/editorial) | | periclase-dolomite-calcite carbonatite from the Oka complex, Quebec, and its calculated volatile composition*...ite-alabandite in a carbonatite dike within the Oka complex, Quebec, buffers the fugacities (and partial...determined. An unusual carbonatite dike on Husereau Hill in the Oka complex (Gold 1967, 1972) provides a unique...e rock occurs as a probable dike on Husereau Hill within the Oka alkaline complex, a Cretaceous pluton...1967; Gold and Vallte 1969; Treiman 1982). The Husereau carbonatite dike appears to be among the youngest |  | | Journal (article/letter/editorial) | | reported here for constituent minerals from the Oka carbonatite complex, which is associated with the...contamination during the petrogenetic history of the Oka complex. Instead, the isotopic variations reported... 1994). The Cretaceous Oka carbonatite complex within southern Québec (Canada) contains both carbonatite...reveal that the magmatic activity (maximum extent) at Oka was a prolonged event, which occurred between 109...both carbonatite and associated silicate rocks at Oka. Previous investigations report the major and trace |  | | Report (issue) | | & Series: Mineral Group: Forms a series with magnetite. Spinel group. Occurrence: Most commonly of...impact debris. Association: Hematite, titanian magnetite, ferrian diopside. Distribution: Numerous localities...Hatrurim Formation, Israel. At Husereau Hill, Oka complex, Quebec, Canada. In the USA, from the Crestmore |  | | Journal (article/letter/editorial) | | Springer-Verlag 1987 Nd and Sr isotope systematics of the Oka complex, Quebec, and their bearing on the evolution... Carleton University, Ottawa, Ontario K1S 5B6, Canada Abstract. A detailed isotopic study of minerals...and whole rocks from the Cretaceous Oka complex, Quebec, Canada, shows a very small variation in initial...depleted in the L I L elements. The new data from Oka suggest that the depleted source may have remained...carbonatites in Canada, the Oka complex, near Montreal, Quebec (Fig. 1). Some initial results from Oka have been |  | | Journal (article/letter/editorial) | | University of Toronto, Toronto, Ontario M5S 381, Canada Ansrucr Uncertainty exists about the composition...offered in a study of a carbonatite specimenfrom Oka, Quebec,by Treiman and Essene(1984), who calculated...carbonatite intrusion may, and carbonatite in the Oka complex in which they concluded probably does,undergo...It consistslargely of possible dike" on Husereau Hill in the Oka carbonatite an assertionthat three of...dolomite, calcite, cf mf : magnesioferrite,mt: magnetite, per: periclase, Q : quenched li: : quid, Q(tr) |  | | Journal (article/letter/editorial) | | Lead and strontium isotope relationships in the Oka ~~~tite complex, Quebec M.H. Department of &&&al...Geology, &a&on University, Ottawa, Ontario, KlS 5B6, Canada (Rec&ed March 22, 1985;acceptedin revisedform Decemk...calcite, 1 pyrite and 1 melilite separates from the Oka, Quebec, carbonatite complex. Pyrite, melilite and...of one ok&e and a sampleof countryrockgneissnear Oka contain Pbwith isotopiccompositionstbatillustrate...10’years)forthePoohbah Lake syenite complex to 0.12 AB for the Oka carhonatite complex. When the s’Sr/s%r ratios are |  | | Journal (article/letter/editorial) | | Ti, Fe, Mn, Mg, and P (as 0.5% perovskite, 6% magnetite, 10.5% apatite, 7% dolomite) and 30% calcite can...single thin sections of carbonatites (apatite and magnetite are also present in most assemblages). 1 Upper...Lawrence Pit, Oka, Quebec. 4 Prairie Lake, Ontario; Gross Brukkaros, Namibia. 5 Bond zone, Oka. 6, 7 PMC...PMC pit, Palabora, South Africa. 8, 9 Oka. 10 Alno, Ol Ne Cpx Amph Badd Prv Phlog/bi Mont Melilite Garnet...Verdes. 11 Iron Hill, Colorado. 12 Carbonatite lapilli tu, Henkenberg, Kaiserstuhl. 13 Oka. 14 Prairie Lake; |  | | Journal (article/letter/editorial) | | calcite and apatite, and U–Pb ages of apatite from the Oka carbonatite complex: Insights into a complex crystallization...Keywords: Apatite Calcite Geochronology Carbonatite Oka Laser ablation a b s t r a c t This study reports...associated okaites and ijolites from the Oka carbonatite complex (Canada). Both apatite and calcite are rare...carbonatites and associated okaites and ijolites at the Oka carbonatite complex. The combined large variations...Elsevier B.V. All rights reserved. 1. Introduction The Oka carbonatite complex, located ~40 km west of Montréal |  | | Book (volume) | | alteration of some Fe-Mn minerals (in addition to magnetite also ilmenite, jacobsite, ulvöspinel, or others)...Associated in the heavy minerat fraction are magnetite, chromite, ilmenite, sulfides, native Pb, Pb-Sb...3.1 Simple Sulfides Sphalerite from the 8roken Hill Lode, New South Wales, Australia, differs in its...sphalerite concentrates (except for North 8roken Hill, which comprises the bulk raw zinc concentrate)...South Zinc Corp. New 8roken 8roken Hill*l Hill Consol. 8roken Hill*l No.3lens 3.3 to 1.6; 2.4(n=6) 2 |  | | Book | | Mineralogical Association of Canada Association mineralogique du canada 14 Also in this series Encyclopedia...(1998) J. Delvigne Mineral Species Discovered in Canada and Species Named after Canadians Special Publication...F. Martin c 2019 Mineralogical Association of Canada All rights reserved. No part of this publication...publishers. Printed in Canada on acid-free paper Library and Archives Canada Cataloguing in Publication...(1962-) Published by the Mineralogical Association of Canada ISBN: 978-0-921294-61-0 1. Mont Saint-Hilaire, |
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