 | | Report (issue) | | © Minister of Supply and Services Canada 1983 Available in Canada through authorized bookstore agents...and Services Canada Hull, Québec, Canada K1A 0S9 and from Geological Survey of Canada 601 Booth Street...Street Ottawa, Canada K1A 0E8 A deposit copy of this publication is also available for reference in public...public libraries across Canada Cat. No. ISBN Price M41-8/32E 0-660-11547-6 Canada: $7.50 Other countries:...Chemin du Pont Arvida road-cut Aluminum Company of Canada Chicoutimi North quarry Plourde et Plourde Ste-Anne |  | | Journal (article/letter/editorial) | | Silicates in the Oka Carbonatite JADVYGA RIMSAIT:E Geological Survery of Canada, Ottawa, Canada Received June...June 30, 1969 Abstract. Thin section study of the Oka carbonatite revealed the presence of zoned pyroxene...relationship between the major constituents is more complex. Iron and magnesium exhibit opposite trends, modified...o t h e r elements. The zoned mica f r o m t h e Oka c a r b o n a t i t e u s u a l l y contains iron-poor...t i o n of complex rocks. Evolution of Zoned Micas and Associated Silicates in the Oka Carbonatite | | | Report (issue) | | MINERALS FOR THE COLLECTOR Geological Survey of Canada Miscellaneous Report 32 Kingston, Ontario to Lac...Collection specimen (No. 36384). National Museum of Canada photo. Right: Serandite with analcime and mangan-neptunite...Collection specimen (No. 37124). National Museum of Canada photo. Miscellaneous Report 32 ROCKS AND MINERALS... © Minister of Supply and Services Canada 1983 A vailable in Canada through authorized bookstore agents...Supply and Services Canada Hull, Quebec, Canada KIA OS9 and from Geological Survey of Canada 601 Booth Street |  | | Journal (article/letter/editorial) | | pyrite Dolomite (Fe-dolomite), ankerite, siderite, magnesite, rhodochrosite, richterite, aegirine, chlorite...7039 0.7036 Nielsen and Buchardt, 1985 Oka, Quebeck, Canada Calcite carbonatite Calcite carbonatite...carbonatites, particularly, in the carbonatites of the Oka complex. Phase relations on the section calcite – portlandite...calcite carbonatite, Oka complex; (b) pyrochlore, calcite carbonatite, Ozernyi complex; (c) baddeleyite,...phoscorite, Kovdor complex; (d) burbankite, dolomite – calcite carbonatite, Vuori-Yarvi complex; (e) strontianite |  | | Journal (article/letter/editorial) | | spinel, phlogopite, carbonates (dolomite, calcite, magnesite), apatite, tetraferriphlogopite, Fe–Ni–Cu-sulfides...dolomite, phlogopite–tetraferriphlogopite, calcite, magnesite, pyrochlore, Fe–Ni–Cu-sulfides and apatite (size...Bas, 1992), in thoriopyrochlore from the Oka carbonatite, Canada (up to 16.3 wt.%, Zurevinski and Mitchell...the Sacrofano pyroclastics, Sabatini volcanic complex, Italy (8.5 wt.%, Caprilli et al., 2006). The high...Chakhmouradian and Mitchell, 2002), in the Oka carbonatite, Canada (12.2–21.1 wt.% ThO2 , Zurevinski and Mitchell |  | | Journal (article/letter/editorial) | | periclase-dolomite-calcite carbonatite from the Oka complex, Quebec, and its calculated volatile composition*...alabandite in a carbonatite dike within the Oka complex, Quebec, buffers the fugacities (and partial...unusual carbonatite dike on Husereau Hill in the Oka complex (Gold 1967, 1972) provides a unique opportunity...probable dike on Husereau Hill within the Oka alkaline complex, a Cretaceous pluton which also includes...appears to be among the youngest units of the complex, intruding the ijolite-carbonatite suite. The sample |  | | Report (issue) | | MINES AND RESOURCES GEOLOGICAL SURVEY OF CANADA CANADA PAPER 67-51 ROCKS AND MINERALS FOR THE COLLECTOR...Queen's Printer, Ottawa, from Geological Survey of Canada, 601 Booth St., Ottawa, and at the followin$ Canadian...Queen's Printer and Controller of Stationery Ottawa, Canada 1968 - iii - Plate I. Mont St-Hilaire quarry.... . . . . . . . . . . . . . . . . . . . . . . . Oka Rar e Metals mine . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . Aluminum Company of Canada....... . . . . . . . . . . . . . . . . . . . . |  | | 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...Hill in the Oka carbonatite an assertionthat three of the minerals are analogousto a complex. It contains...fluid in equilibrium with the magma from which the Oka rock crystallized probably did not have "X(HrO) + |  | | Journal (article/letter/editorial) | | with adjacent peridotite to form dolomite or magnesite and, according to many current views on the redox...provide a guide for interpretation of the more complex natural system, peridotite-COr H 2 0. The oxygen...CC-calcite. Do-dolomite. MC-magnesIte, Cc-, Me-solid solutIOns of calcite and magnesite. V-vapor (C0 2 ), EXPERIMENT;"L...EVOLUTION OF C ;"RBONA TlTES CO 2 and calcite, magnesite or dolomite. For example. calcite can coexist...than reaction (0) the dolomite is replaced by magnesite. Subsolidus reactions (6) and (0) are used to |  | | Journal (article/letter/editorial) | | on one carbonatite (the Husereaudike, Oka complex, Quebec,Canada)show that the anion solution of its magma...ready way of applying experimental results to complex natural systems,and an aid in desigrringnew experimental...limited studies available involving MgCOr, magnesite. Magnesite melts incongruently at pressuresbelow 25...MgCO, may be extrapolatedas 1753 K. The Aflf""(magnesite)is very poorly determined by the single available...al. (1966) on the magnesite-saturatedliquidus surface only restrict AIl!,.(magnesite) to a value of 32 |  | | Journal (article/letter/editorial) | | In the pseudo-quaternary tetrahedron calcite-magnesite-brucite-diopside, two of the significant reactions...diverging from the joins may connect them. More complex relationships involving the precipitation of monticellite...CaOMgO-CO2-HzO onto the plane calciteportlandite-magnesite-brucite. Arrows indicate direction of temperature...CoMgSi2 CoMgSi206(Di) ealcite-portlandite-brucite-magnesite Mg2s o 7:,, ' are projected vapor-present phase...to the composition CC '*\ ',,I/ region calcite-magnesite-brucite:o003 Co (OH)2 diopside (OH) /4 'f', |  | | Journal (article/letter/editorial) | | “Coltan,” that caused Ta mines in Australia and Canada to be placed on care and maintenance. More recently... 3800 Finnerty Road (Ring Road), Victoria, BC, Canada V8P 5C2 G. J. Simandl (*) British Columbia Ministry...Victoria, BC, Canada V8W 9N3 e-mail: george.simandl@gov.bc.ca Fir and Crevier, Canada) are being considered...Brazil and one hard rock carbonatite deposit in Canada account for about 92 and 7 % of Nb world mine production...as Wodgina, Mt. Cattlin (Australia) and Tanco (Canada), being placed on care and maintenance. Ta production |  | | Journal (article/letter/editorial) | | minerals and liquids in complex whole-rock systems. But rock systems are complex, and it is not always...carbonate liquid immiscibility in progressively more complex systems in the pressure range from 2·5 GPa (mantle...wollastonite; La, larnite; Cc, calcite; Cd, dolomite; Cm, magnesite; Pe, periclase. (b) Liquidus fields and boundaries...carbonates, solid solutions of calcite, dolomite and magnesite (Cc, Cd, Cm), are in contact with the silicate...pressure, and periclase is completely replaced by magnesite at some pressure <2·7 GPa (Irving & Wyllie, 1975; |  | | Journal (article/letter/editorial) | | his detailed mapping of the AlnoÈ carbonatite complex, von Eckerman (1948, p. 148) concluded that soÈvite...in the Meach Lake complex near Ottawa (Hogarth, 1966) and in Dicker Willem complex, southwest Namibia...1973; Cooper and Reid, 1991). In the Jacupiranga complex, Brazil, there are examples of calcite with interstitial... Mc solid solutions of calcite, dolomite and magnesite; Pe periclase; L liquid; V vapor Fig. 2. Bounding...starting mixtures for the experiments, calcite (CC), magnesite (MC), brucite (MH) and portlandite (CH). Figure |  | | Journal (article/letter/editorial) | | from data along the calcite-siderite and calcite magnesite joins (Goldsmith et al., 1962; Rosenberg, 1963;...due to its refractory nature. For this reason, magnesite rather than dolomite was used to supply the necessary...Sheffield on October 13, 2014 of calcite and magnesite to limit the position of the calcite-dolomite...dolomite' or calcite-magnesite solvus. In experiments which begin with calcite, magnesite and siderite the...final results may reflect the metastable calcite-magnesite-siderite solvus. In any case, experiments beginning |  | | Book | | written permission of the Publisher. Ontario, Canada. First printing Publisher Cataloging-in-Publication...8 dc22 QE392.T358 2011 Library and Archives Canada Cataloguing in Publication Tait Kimbeny T Gems...C32T67 2011 Firefly Books (U.S.) Inc. Published in Canada by Firefly Books Ltd. Buffalo, New York Richmond...at the Royal Ontario Museum, Toronto, Ontario, Canada. Illustrations: Crowle Art Group Note: For illustrative...publishing program by the Government of Canada through the Canada Book Fund as administered by the Department | | | Book | | © 2011 Royal Ontario Museum, Toronto, Ontario, Canada. All rights reserved. No part of this publication...Cataloging-in-Publication Data (U.S.) Library and Archives Canada Cataloguing in Publication Tait, Kimberly. Tait...States by Firefly Books (U.S.) Inc. Published in Canada by Firefly Books Ltd. PO. Box 1338, Ellicott Station...at the Royal Ontario Museum, Toronto, Ontario, Canada. Photography: Brian Boyle, MPA, FPPO, and Miguel...publishing program by the Government of Canada through the Canada Book Fund as administered by the Department |  | | Journal (article/letter/editorial) | | ORIGINAL PAPER Grain growth kinetics of dolomite, magnesite and calcite: a comparative study N. E. Davis •...growth of stoichiometric dolomite [CaMg(CO3)2] and magnesite (MgCO3) have been measured at temperatures T of...dolomite is much slower than the growth rates of magnesite or calcite; assuming normal grain growth and n...10-5 lm3/s) at T = 800°C is less than that for magnesite by a factor of *30 and less than that for calcite...in carbonates of the Mg–Ca system, dolomite, magnesite, and calcite (Fig. 1), driven by reductions in |  | | Journal (article/letter/editorial) | | garnet + olivine + orthopyroxene ± clinopyroxene ± magnesite) just below its liquidus at the conditions of...(red phosphorus), MgSO4, NaCl, CaF2, and natural magnesite from Bahia, Brazil, with a composition of Mg0...strictly controlled, however, the association of magnesite, olivine, pyroxene and graphite/ M diamond should...crystalline silicates, oxides, pyrrhotite and magnesite appeared as discrete grains at the lower temperature...from olivine-bearing US toward coesite- and magnesite-bearing ones in the following sequences: Ol+Cpx+Grt±Ilm |  | | Journal (article/letter/editorial) | | A1LL1KITES Aillikile Type rock Lamprophyre Ouachitue Oka Kunberlue Alvikttic alnoiie Alno Alnoiie Alkaline...More specifically, Dawson's (1971) term central complex kimberlite has been (rather indiscriminately) adopted...delineated major differences between 'central complex kimberlites' (UML) and archetypal (e.g. S. African)...(1979, 1983) assessment of the He Bizard 'central complex kimberlite' as a lamprophyre, reaffirming its mixed...and Clement et al. (1984), the terms 'central complex kimberlite', 'kimberlitic lamprophyre' and the |  | | Book (volume) | | N.W.T., R. H. Mitchell R•INERALOGICAL STUDIES CANADA 161 ON THE DIAMONDIFEROUS K]hMBERLITE OF THE...APACHECOUNTY, ARIZONA M. F. Roden and D. Smith 2•E OKA CARBONATITE CO•PLEX: R•GNETI2• COF•OSITIONS AND 'iHE...P.R.A., Pyroxene thermometry in simple and complex systems, _.Cpntrip•.Mineral. 4_A, •-•5, •77. Petrol...mantle pressures with geophysical and in simple and complex systems, C?n_t_rib_.•__M•ine_ra•l. petrological...aggregates are comprised of octahedral forms and complex interpenetrations Surface of in many of octahedra] |  | | Journal (article/letter/editorial) | | mica and apatite from the Palabora Carbonatite complex, South Africa R. Johannes Giebel, Michael A.W...mica and apatite from the Palabora Carbonatite complex, South Africa. Lithos (2018), https://doi.org/10...mica and apatite from the Palabora Carbonatite Complex, South Africa R. Johannes Giebela, b,* , Michael...of the Loolekop deposit, Palabora Carbonatite Complex (South Africa). Mica in pyroxenites and fenites...tetraferriph logop it e, Palabora Carbonatite Complex, liquid immiscib ility, phoscorite, formation model |  | Podborodnikov, Ivan V., Shatskiy, Anton, Arefiev, Anton V., Rashchenko, Sergey V., Chanyshev, Artem D., Litasov, Konstantin D. (2018) The system Na2CO3–CaCO3 at 3 GPa. Physics and Chemistry of Minerals, 45 (8) 773-787 doi:10.1007/s00269-018-0961-2 | Journal (article/letter/editorial) | | important to facilitate interpretation of the complex carbonated silicate systems. Particularly, it is...the subsolidus carbonates are represented by magnesite and nearly pure aragonite to 9 GPa in Volga-cc...the subsolidus carbonates were represented by magnesite and Na–Ca carbonate with composition similar to...nature of parental carbonatite melts at Oka complex in Canada. Nat Commun 4:2687 Cooper AF, Gittins J...Comparison with kimberlites from the Slave Craton (Canada) and SW Greenland. Lithos 112:334–346 13 Kamenetsky |  | | Journal (article/letter/editorial) | | titanian-chromian sDinels frorn the eastern Bushveld Complex CAMER0N, MARYELLEN, with G.V. Gibbs The crystal...) I 104 7097 Carbonatite Conplex scandiun in, oka, Quebec 819 Carbon Filnr Thickness role in electron...heating gaylussite, order-disorder 649 551 965 magnesite, structure 979 benstonite, synthesis at room...room temPerature refinement of structure magnesite, hydrothermal single crystal in phase relations SrC03...SrC03 systen 785 carbonatite, Oka complex, scandiul geochemistry dawsonite, 1101 z, stabi lity drrata |  | | Journal (article/letter/editorial) | | recrystallized during oxidation, highlighting the complex emplacement history 1 ACCEPTED MANUSCRIPT involving...the complex (e.g. Morogan and CE Woolley, 1988). At the Callendar Bay complex in Ontario, Canada, the...of the dyke swarm, above an inferred plutonic complex/magma chamber at depth, the top of which has CE...carbonatites and cancrinite syenites in the Lueshe Complex, Zaire, and reported (p 68) that “The positive...fenitization of garnet AC amphibolites at Callander Bay (Canada) involving increase in Si, Al, Na, K, and H with |
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