 | | 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: $7.50 Other countries:...Chemin du Pont Arvida road-cut Aluminum Company of Canada Chicoutimi North quarry Plourde et Plourde Ste-Anne |  | | Journal (article/letter/editorial) | | VARIATION OF PYROCHLORE-GROUP MINERALS AT THE OKA CARBONATITE COMPLEX, QUEBEC: EVIDENCE OF MAGMA MIXING? SHANNON...955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada ABSTRACT Pyrochlore-group minerals are relatively...calcite carbonatite at the Oka Carbonatite Complex, Quebec. This complex is a member of the Cretaceous...feldspathoidal silicate rocks. Mineralogical studies of the complex have identified ceroan pyrochlore, ceriopyrochlore...occurring within the NIOCAN and Bond Zone deposits. At Oka, pyrochlore [general structural formula: A16–xB16O48(O | | | Report (issue) | | MINERALS FOR THE COLLECTOR Geological Survey of Canada Miscellaneous Report 32 Kingston, Ontario to Lac...Collection specimen (No. 36384). National Museum of Canada photo. Right: Serandite with analcime and mangan-neptunite...Collection specimen (No. 37124). National Museum of Canada photo. Miscellaneous Report 32 ROCKS AND MINERALS... © Minister of Supply and Services Canada 1983 A vailable in Canada through authorized bookstore agents...Supply and Services Canada Hull, Quebec, Canada KIA OS9 and from Geological Survey of Canada 601 Booth Street |  | | Report (issue) | | MINES AND RESOURCES GEOLOGICAL SURVEY OF CANADA CANADA PAPER 67-51 ROCKS AND MINERALS FOR THE COLLECTOR...Queen's Printer, Ottawa, from Geological Survey of Canada, 601 Booth St., Ottawa, and at the followin$ 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) | | Typically associated minerals include chromite, ilmenite, ulvospinel, rutile, apatite, the common sulfides...on the eastern side (Januzzi 1961); excellent complex magnetite crystals in calcite have been found at...crystals to 4 cm have been found in the Oka Complex, Deux-Montagnes County, Quebec. Cerro de Mercado, Durango...Ural Mountains, Russia. Extremely well-developed, complex, and lustrous magnetite crystals occur in the iron...octahedra occur on matrix; the Phalaborwa carbonatite complex, also in South Africa, where good octahedral crystals |  | | Journal (article/letter/editorial) | | chondrodite-II, talc, serpentine, apatite-III, magnetite, ilmenite, sphene, pyrrhotite-III, pyrite Dolomite (Fe-dolomite)...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 |  | Chakhmouradian, Anton R., Reguir, Ekaterina P., Kressall, Ryan D., Crozier, Jeremy, Pisiak, Laura K., Sidhu, Ravinder, Yang, Panseok (2015) Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64. 642-666 doi:10.1016/j.oregeorev.2014.04.020 | Journal (article/letter/editorial) | | niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis Anton...Manitoba, 125 Dysart Road, Winnipeg, Manitoba R3T 2N2, Canada Department of Earth Sciences, Dalhousie University...1459 Oxford Street, Halifax, Nova Scotia B3H 4R2, Canada Hunter Dickinson Inc., 15th Floor, 1040 W. Georgia...Georgia Street, Vancouver, British Columbia V6E 4H8, Canada d School of Earth and Ocean Sciences, University...Finnerty Road, Victoria, British Columbia V8P 5C2, Canada b c a r t i c l e i n f o Article history: Received |  | | Journal (article/letter/editorial) | | ). Additionally rare xenocrysts of garnet, Mn–ilmenite, picroilmenite and chromian spinel, and peridotite...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...closely resemble Zr-rich thoriopyrochlore from the Oka carbonatite in a Zr–Th coupled enrichment (Zurevinski |  | Chen, Wei, Ying, Yuan-Can, Bai, Tian, Zhang, Jin-Jun, Jiang, Shao-Yong, Zhao, Kui-Dong, Shin, Dongbok, Kynicky, Jindrich (2019) In situ major and trace element analysis of magnetite from carbonatite-related complexes: Implications for petrogenesis and ore genesis. Ore Geology Reviews, 107. 30-40 doi:10.1016/j.oregeorev.2019.01.029 | Journal (article/letter/editorial) | | compositions of magnetite from four carbonatite complexes (Oka, Mushgai Khudag, Hongcheon and Bayan Obo). The minor...including the Oka carbonatite complex (Canada), the Mushgai Khudag carbonatite complex (Mongolia), the...the Hongcheon carbonatite-phoscorite complex (South Korea), and the Bayan Obo rare earth element (REE)-Fe-Nb...(REE)-Fe-Nb deposit (China). 4 The Oka carbonatite complex is one of the westernmost intrusions of the...the Monteregian Igneous Province (MIP), Canada. This complex consists of both carbonatite and silicate |  | | 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) | | 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) | | 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...aegirine-augite, melanite, calcite, apatite, magnetite,ilmenite, sphene Plagioclase,microcline,biotite, Granite |  | | Journal (article/letter/editorial) | | carbonatites from Oka (Canada), Magnet Cove (USA), Jacupiranga (Brazil), and Essonville (Canada), to obtain...temperatures are obtained from Cc – Mt fractionations from Oka (745 – 770 jC) and Cc – Mnt fractionations from Magnet...dolomite to calculate temperatures in the Qaqarssuk Complex, Greenland. They obtained temperatures ranging...wellknown carbonatite localities (Magnet Cove, USA; Oka, Canada; and Jacupiranga, Brazil), and a fourth, lesser...lesser known, locality (Essonville, Ontario, Canada; Moecher et al., 1997). Measured isotopic compositions |  | | 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 |  | | Journal (article/letter/editorial) | | minerals calcite, phlogopite and edenite, include ilmenite, magnetite, euxenite, uranoan thorite, rutile...which contains the following minerals: pyrochlore, ilmenite, magnetite, euxenite, thorite, uranoan thorite...F)2. However, the chemical composition is very complex with substitutions on all sites. Five groups have...Mo–Nb–Th–REE mineralization. The mineralogy of the CLM is complex and differs from that of the common marbles of...occurs only in CLM in a close association with ilmenite, euxenite, thorite, galena and magnetite. Other |  | | Journal (article/letter/editorial) | | University, 955 Oliver Road, Thunder Bay, Ontario, Canada P7B 5E1 825 Fitzpatrick Road, Nashville, TN 37214...jadeite BM 1913-451 (Na, Al); wollastonite (Ca, Si); ilmenite (Fe, Ti); Mn-hortonolite (Mn); SrTiO3 (Sr) Nb...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...Oldoinyo Lengai 7 8: monticellite, calcite carbonatite, Oka, Quebec the monticellite studied in this work (Table |  | Amores-Casals, , Melgarejo, , Bambi, , Gonçalves, , Morais, , Manuel, , Neto, , Costanzo, , Molist, (2019) Lamprophyre-Carbonatite Magma Mingling and Subsolidus Processes as Key Controls on Critical Element Concentration in Carbonatites—The Bonga Complex (Angola) Minerals, 9 (10) 601 doi:10.3390/min9100601 | Journal (article/letter/editorial) | | Element Concentration in Carbonatites—The Bonga Complex (Angola) Sandra Amores-Casals 1,2, *, Joan-Carles...2019 Abstract: The Bonga complex is composed of a central carbonatite plug (with...mesostase. To reconstruct the dynamics of the complex, the pyrochlore composition and distribution have...proxy of magmatic-hydrothermal evolution of the complex. An early Na-, F-rich pyrochlore is disseminated...carbonatite evolution [66,67,69,71]. The Bonga complex is one of the largest carbonatitic outcrops in |  | | Journal (article/letter/editorial) | | Monteregian lamprophyres, QuCbec, Canada JEAN H. BBDARD Commission Geologique du Canada, Centre G6oseientifique...2700 Einstein, CP 7500, Ste-Foy, Q&bee GlV 4C7, Canada (Received June 9, 1992; accepted in revisedform...for Monteregian activity, although the Oka carbonatite complex appears to be slightly younger ( 109 -t...(GOLD et al., 1986) including the Oka carbonatite-ijolite complex, alntiitic dykes and diatremes, the...of the magmas fractionating within the central complex magma chambers (HODGSON, 1968), but will not be |  | | 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) | | Hills pctrographic province of southwestern Quebec, Canada, consists of a series of alkaline intrusions emplaced...amounts of feldspathoidal minerals. The Oka carbonatite complex belongs to the latter group. Available...petrogenetic relationships between these rocks are complex and apparently involve a number of processes including...Monteregian intrusions. The intrusions are : 1, Oka; 2, Mt. Royal; 3, Mt. St. Bruno; 4, Mt. St. Hilaire;...along a more or less linear trend from the Oka carbonatite complex, west of Montreal, eastward to Mount Megantic |  | | 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...at at Finsch Finsch is is garnet. garnet. Ilmenite Ilmenite and anddiopside diopside are are both both...Geology, Petrology, and Geochemistry diopside and ilmenite elsewhere and• in operations persist addition...P.R.A., Pyroxene thermometry in simple and complex systems, _.Cpntrip•.Mineral. 4_A, •-•5, •77. Petrol |  | | Journal (article/letter/editorial) | | Ti-rich magnetite (showing exsolution lamellae of ilmenite), apatite and melilite. Minor phases overgrowing...and trace element measurements. The Ice River Complex is a late Paleozoic alkaline intrusion consisting... and located in southeastern British Columbia, Canada (Bowers & Rowan, 1996). It also contains an ijolite...reference perovskite with apatite (Ap) inclusion; (H) Oka reference perovskite with calcite (Ca) inclusions...nepheline, clinopyroxene and subordinate apatite, ilmenite, melanite, and titanite (Heaman, 2009). The Ice |  | Chen, Wei, Lu, Jue, Jiang, Shao-Yong, Ying, Yuan-Can, Liu, Yong-Sheng (2018) Radiogenic Pb reservoir contributes to the rare earth element (REE) enrichment in South Qinling carbonatites. Chemical Geology, 494. 80-95 doi:10.1016/j.chemgeo.2018.07.019 | Journal (article/letter/editorial) | | been obtained for carbonate minerals from the complex. Our results show that calcite has variable trace...(Xu et al., 2007) and Aley CE carbonatites in Canada (Chakhmouradian et al., 2016). However, the REE...Miaoya, Huanglongpu, Huayangchuan carbonatite complex (e.g., Xu et al., 2007, 2008, 2010, 2011, 2014;...minerals from the Shaxiongdong (SXD) carbonatite complex located in the South Qinling orogenic belt (Fig...Dong and Santosh, 2016). ED The SXD carbonatite complex is orientated southwest to northeast and consists |  | | Journal (article/letter/editorial) | | Ca-Fe-Ti-Zr-garnets, soda-melilite, monticellite, Mg-Mn-ilmenite, perovskite, serpentine, Fe-Mg-Ti-Mn-Cr-Al-spinels±glass...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...Feldspathoids, mdilite Diamond, graphite, native metaJi Ilmenite (Table 8) Garnet (Table 7) Amphibole (Table 7)...delineated major differences between 'central complex kimberlites' (UML) and archetypal (e.g. S. African) |  | Tappe, Sebastian, Steenfelt, Agnete, Heaman, Larry M., Simonetti, Antonio (2009) The newly discovered Jurassic Tikiusaaq carbonatite-aillikite occurrence, West Greenland, and some remarks on carbonatite–kimberlite relationships. Lithos, 112. 385-399 doi:10.1016/j.lithos.2009.03.002 | Journal (article/letter/editorial) | | Alberta, Canada T6G 2E3 De Beers Canada Inc., 300-65 Overlea Boulevard, Toronto, Ontario, Canada M4H 1P1...envisaged for the compositionally similar Sarfartoq complex, is untenable. Rather, protoaillikite magma may...1-26 Earth Sciences Building, Edmonton, Alberta, Canada T6G 2E3. Tel.: +1 780 4924354; fax: +1 780 4922030...Dalton and Presnall (1998) that the Sarfartoq complex of West Greenland, which is a classic carbonatite-aillikite...discovered West Greenland ‘Tikiusaaq’ carbonatite complex and its accompanying ultramafic dyke rocks (Steenfelt |
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