 | | 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: $7.50 Other countries:...Chemin du Pont Arvida road-cut Aluminum Company of Canada Chicoutimi North quarry Plourde et Plourde Ste-Anne |  | | Journal (article/letter/editorial) | | INVESTIGATION OF NIOCALITE FROM THE OKA CARBONATITE COMPLEX, CANADA Wei CHEN§, Antonio SIMONETTI, and Peter...carbonatite from the Bond Zone area of the Oka Carbonatite Complex (Canada). Niocalite is a Nb-disilicate member...here suggests a protracted petrogenetic history for Oka, which corroborates the relatively large range of...Myr) previously determined for apatite from the Oka complex. In situ 87Sr/86Sr isotope ratios for niocalite...described from only four localities world-wide: Oka, Canada (Nickel 1956, Nickel et al. 1958); the Oldoinyo | | | Report (issue) | | MINERALS FOR THE COLLECTOR Geological Survey of Canada Miscellaneous Report 32 Kingston, Ontario to Lac...Collection specimen (No. 36384). National Museum of Canada photo. Right: Serandite with analcime and mangan-neptunite...Collection specimen (No. 37124). National Museum of Canada photo. Miscellaneous Report 32 ROCKS AND MINERALS... © Minister of Supply and Services Canada 1983 A vailable in Canada through authorized bookstore agents...Supply and Services Canada Hull, Quebec, Canada KIA OS9 and from Geological Survey of Canada 601 Booth Street |  | | Report (issue) | | MINES AND RESOURCES GEOLOGICAL SURVEY OF CANADA CANADA PAPER 67-51 ROCKS AND MINERALS FOR THE COLLECTOR...Queen's Printer, Ottawa, from Geological Survey of Canada, 601 Booth St., Ottawa, and at the followin$ 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) | | Volume 70, pages 1l0l-l l l3, 1985 The Oka carbonatite complex, Quebec: geology and evidencefor silicate-carbonate...the northern intrusive center of the Oka complex (Quebec,Canada) probably formed from immiscible carbonate...charges or volcanic rocks. The Oka pluton, a Cretaceous intrusive complex of the Monteregian Hills petrographic...between silicate and carbonate magmas was important at Oka, but these studies did not specifically state which...paper evaluates liquid immiscibility in the Oka complex using all pertinent field, petrographic and chemical |  | | Journal (article/letter/editorial) | | U–Pb ages of apatite from the Oka carbonatite complex: Insights into a complex crystallization history Wei...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...associated okaites and ijolites at the Oka carbonatite complex. The combined large variations in major...petrographic textural evidences are consistent with a complex crystallization history involving mixing of discrete |  | | Journal (article/letter/editorial) | | forsterite-I, melilite, monticellite-I, nepheline, wollastonite, biotite – phlogopite, hastingsite, K-feldspar...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) | | district, California; Oka, Quebec, 1980) andmanyothersundoubtablyremainto be dis- Canada;Iron Hill, Powderhorn...HOH-bending vibration district,Colorado;O -- Oka Carbonatite,Quebec,Canada. mode,coupledwith the OH-stretchingmotion...ywere obtainedfrom publishedreports.Five of the Oka, Quebec,samples were analyzedindependentlyfor rare...Biotite, microcline,hornblende} augRe,rutlie Oka Complex,Quebec (Gold, 1969, p. 49-50; Gold andVallee...melanite, nepheline,calcite, apatite Wollastonite Wollastonite, melanite, ijolite, magnetite, apatite |  | | Journal (article/letter/editorial) | | of Calcareous Intrusions in the ~1 Ga Oaxacan Complex, Southern Mexico: Tectonic Implications J. Dostal...of Calcareous Intrusions in the ~1 Ga Oaxacan Complex, Southern Mexico: Tectonic Implications, International...of Calcareous Intrusions in the ~1 Ga Oaxacan Complex, Southern Mexico: Tectonic Implications J. DOSTAL...Mary’s University, Halifax, Nova Scotia, B3H 3C3, Canada J. D. KEPPIE, Instituto de Geologia, Universidad...Mary’s University, Halifax, Nova Scotia, B3H 3C3, Canada AND F. ORTEGA-GUTIÉRREZ Instituto de Geologia |  | | Journal (article/letter/editorial) | | brie¯y discussed carbonatites. The presence of wollastonite and absence of rankinite, larnite, or other...falls below the curve de®ned by the larnite-wollastonite reaction'' (Carmichael et al. 1970, p. 254)...sell sellaite; spurr spurrite; ttn titanite; wo wollastonite; zrn zircon 20%, aÊkermanite at 27 to 35%,...CaSiO3 wollastonite 1,000 (K) liq liq SiO2 CaMgSiO4 monticellite 4CaSiO3 wollastonite 2CaSiO3...2CaSiO3 wollastonite *Mg2 SiO4 forsterite SiO2 CaTiO3 perovskite SiO2 900 SiO2 liq ±3.42 ±3 |  | | Journal (article/letter/editorial) | | includespyrochlore,microlite, niocalite,nepheline,albite, wollastonite,olivine, phlogopite,melanite, melilite,chondrodite...analyses(excluding0ka semples) II = III = " " "Oka carbena:erocks / a•ber of amalyses. ' carbonatltes...composition (column II) of the carbonaterocks from the Oka Complex near Montreal, Quebec (11). The values from these...carl)onatites wereobtained from rocksof the Alno Complex, andrepresent themoresiliceous carbonatite rocks...GEOTECHNICALSCIENCES, LOYOLA COLLEGE, MONTREAL, CANADA, •Ipri! 17, 1963 REFERENCES 1. Baertschi, P.. |  | | Journal (article/letter/editorial) | | University, 955 Oliver Road, Thunder Bay, Ontario, Canada P7B 5E1 825 Fitzpatrick Road, Nashville, TN 37214...Dawson et al., 1996) have the mineralogy of wollastonite nephelinite, and are not considered to have...1926-665 (F, Ca, P); jadeite BM 1913-451 (Na, Al); wollastonite (Ca, Si); ilmenite (Fe, Ti); Mn-hortonolite...Lengai (Peterson, 1990; Church and Jones, 1995), the Oka carbonatite (this work), diverse kimberlites and...1986). Monticellite from diverse samples of the Oka calcite carbonatite (Table 2) has a limited range |  | | 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 intrusive...oxygen isotopic composition of carbonates from this complex were studied and found to vary by 7 x0 for carbon...exist in cross sections through the carbonetite complex. INTRODUCTION A NUMBER of au&hors have published...fifty carbonatite rook samples from the Oka carbonatite complex were analyzed for the carbon and oxygen |  | | Journal (article/letter/editorial) | | Department of Geology, Carleton University, Ottawa, Canada, and Department of Geophysical Sciences, University...on the basis of field evidence. Studies in more complex systems were undertaken to ascertain the relationship...general and in the Oka, Quebec, complex in particular. The succession of assemblages at Oka and at other melilite...this phase and that of cancrinite may be more complex than the commonly assumed 3:1 double-salt formula...CaCO3-Ca(OH)2-H2O (Watkinson, 1965, 1970) because of complex breakdown reactions of melilite. Nepheline. Nepheline |  | | Journal (article/letter/editorial) | | and syenite ring dike system, in the Gardiner complex, East Greenland T. F. D. NIELSEN LITHOS Nielsen...and syenite ring dike system, in the Gardiner complex, East Greenland. Lithos 13, 181-197. Oslo. ISSN...and concluded that the melilitolites of the Oka Complex (Gold 1966) were formed by fractional crystaUization... Melilitolites occur in the Tertiary Gardiner complex, East Greenland, Frisch & Keusen 0977) where the...rocks obtained during a two week stay on this complex in 1975. Due to poor accessilfil[ty the sample |  | Casillas, Ramón, Demény, Attila, Nagy, Géza, Ahijado, Agustina, Fernández, Carlos (2011) Metacarbonatites in the Basal Complex of Fuerteventura (Canary Islands) The role of fluid/rock interactions during contact metamorphism and anatexis. Lithos, 125 (1) 503-520 doi:10.1016/j.lithos.2011.03.007 | Journal (article/letter/editorial) | | e / l i t h o s Metacarbonatites in the Basal Complex of Fuerteventura (Canary Islands). The role of...The Basal Complex of Fuerteventura, in the Canary Islands, contains an ultra-alkaline complex formed by...zone, and a metamorphic association composed of wollastonite, monticellite, diopside, vesuvianite, garnet...fluid/rock interactions. The metacarbonatites with wollastonite have δ13C and δ18O values indicating CO2 release...sedimentary origin. However, in the carbonatite complex of Samalpatti (southern India), Srivastava et al |  | | Journal (article/letter/editorial) | | and blocks of phonolite, perovskite, Utanite, wollastonite, sulphides, mica, glass and K- nephelinite and...SETTING OF injected sub-volcanic complex. THE PLUTONIC IGNEOUS Complex zoning of phases and mineral disequilibrium...the jacupirangites, olivine—mica ijolites and wollastonite-rich rocks. PETROGRAPHY The blocks, 10—25 cm...rounded or discoidal with smooth outer surfaces. Wollastonite-rich specimens, however, have irregular shapes...jacupirangites lack nepheline), plus Ti-andradite and wollastonite (ijolites), perovskite and phlogopite (ijolites |  | Mangler, Martin F., Marks, Michael A.W., Zaitzev, Anatoly N., Eby, G. Nelson, Markl, Gregor (2014) Halogens (F, Cl and Br) at Oldoinyo Lengai volcano (Tanzania): Effects of magmatic differentiation, silicate–natrocarbonatite melt separation and surface alteration of natrocarbonatite. Chemical Geology, 365. 43-53 doi:10.1016/j.chemgeo.2013.11.027 | Journal (article/letter/editorial) | | primitive olivine melilitite to evolved combeite–wollastonite nephelinite, demonstrating their incompatible...authors argue that the genetic processes are more complex: multiple immiscible liquids (Mitchell, 1997; Sharygin...and later combeite (Na 2 Ca 2 Si 3 O 9 )- and wollastonite (Ca 3 Si 3 O 9 )-bearing nephelinite (CWN) tuffs...olivine melilitite Olivine melililite Combeite–wollastonite nephelinite Water samples ENGW1 ENGW2 MOTO2...silicate rocks (phonolites and combeite- and wollastonite-bearing nephelinites) no halogen data are available |  | | Journal (article/letter/editorial) | | Nooitgedacht, W. Transvaal Bond Zone, Oka complex, Canada Oka complex, Canada BD 1488 BD 1584 BD 1550 BD 1577...carbonatites from East Africa, South Africa and Canada, in order to constrain the longevity and origin...Sr isotopes, while the carbonatites from Oka complex (Canada) have slightly more radiogenic Nd compositions...from Spitzkop complex plots close to the range reported by Harmer (1999) for this complex. The two Proterozoic...carbonatites from this study. Fields for each complex encompass this and published data. Grey field outlines |  | | 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...incomplete field boundary for coexisting albite and wollastonite was located. There is an extensive liquidus...and CC indicate the liquidus minerals albite, wollastonite and calcite. (Note there is another field boundary...forsterite; Opx, orthopyroxene; En, enstatite; Wo, wollastonite; La, larnite; Cc, calcite; Cd, dolomite; Cm |  | | Journal (article/letter/editorial) | | BC, Canada; bSchool of Earth and Ocean Sciences, University of Victoria, Victoria, BC, Canada; Natural...Natural Resources Canada NRCan, Geological Survey of Canada, Sidney, BC, Canada ABSTRACT ARTICLE HISTORY...geological work at the Alnö Island alkaline-carbonatite complex in 1889. The history of carbonatite research up...charge for download from the Geological Survey of Canada website. The highly descriptive and factual nature...Survey, PO Box 933 Stn Prov Govt, Victoria, BC, Canada V8W 9N3; School of Earth and Ocean Sciences, University |  | Braunger, S, Marks, M A W, Walter, B F, Neubauer, R, Reich, R, Wenzel, T, Parsapoor, A, Markl, G (2018) The Petrology of the Kaiserstuhl Volcanic Complex, SW Germany: The Importance of Metasomatized and Oxidized Lithospheric Mantle for Carbonatite Generation. Journal of Petrology, 59 (9) 1731-1762 doi:10.1093/petrology/egy078 | Journal (article/letter/editorial) | | The Petrology of the Kaiserstuhl Volcanic Complex, SW Germany: The Importance of Metasomatized and Oxidized...2018 ABSTRACT The Miocene Kaiserstuhl Volcanic Complex (Southwest Germany) consists largely of tephritic...at a given locality. The Kaiserstuhl Volcanic Complex (KVC) in south western Germany is a well-suited...at the spatially associated Limberg-Lützelberg Complex near Sasbach (Fig. 1a). Melilitebearing dyke rocks...diminished ruin of a once much larger volcanic complex that originally consisted of a group of volcanic |  | | 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) | | provide a guide for interpretation of the more complex natural system, peridotite-COr H 2 0. The oxygen...(1978a) and Otto (1984). The relationships are complex, but the solidus curve for synthetic lherzolite...that the primary magma at the Alno Island alkali complex was a carbonatite composed largely of alkali carbonateG...igneous complexes characterized by melilite. The Oka complex rocks are a good match with the phase diagram...calcite-dolomite-periclase has been reported from the Oka carbonatite (Treiman and Essene. 1984). Mariano and |  | | | | combeite, spinel group minerals and sporadic wollastonite, melanite, titanite and sodalite. In addition...minerals are nepheline (grey from dark to light), wollastonite and diopside. Crossed nicols, field of view is...in a complex fashion. Simple intergrowths preserve the tabular habit of melilite, while complex intergrowths...mel2): (a) shortprismatic and tabular habit; (b) complex intergrowth giving a star-like appearance. Size...standard materials were used for calibration: wollastonite (Si, Ca), rutile (Ti), anorthite (Al), fayalite |
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