 | | 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 |  | | Journal (article/letter/editorial) | | here for constituent minerals from the Oka carbonatite complex, which is associated with the Cretaceous...contamination during the petrogenetic history of the Oka complex. Instead, the isotopic variations reported here... 1994). The Cretaceous Oka carbonatite complex within southern Québec (Canada) contains both carbonatite...investigations of apatite, niocalite, and perovskite reveal that the magmatic activity (maximum extent) at Oka was...compositions of calcite and apatite from both carbonatite and associated silicate rocks at Oka. Previous investigations |  | | Journal (article/letter/editorial) | | by LA-ICP-MS: An example from the Oka carbonatite, Quebec, Canada Richard A. Cox a,⁎, Derek H.C. Wilton...Université du Québec a Chicoutimi, Dept. des Sciences Appliquees, Chicoutimi, QC, Canada, G7H 2B1 Memorial... Department of Earth Sciences, St. John's, NL, Canada, A1B 3X5 Received 22 July 2004; received in revised...single perovskite crystals from the Oka carbonatite complex, Quebec, Canada. The weighted mean 206 Pb/238U...large perovskite crystals from the Oka carbonatite, near Montreal, Canada in order to test the effectiveness |  | | 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...HREE contents compared to those for co-existing apatite from the identical carbonatite sample. This result...133.2 ± 6.1 Ma, and overlap those of co-existing apatite for the same sample. Two other samples of carbonatite...here suggests a protracted petrogenetic history for Oka, which corroborates the relatively large range of | | | 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 |  | Méjean, Pauline, Pinti, Daniele L., Kagoshima, Takanori, Roulleau, Emilie, Demarets, Laura, Poirier, André, Takahata, Naoto, Sano, Yuji, Larocque, Marie (2020) Mantle helium in Southern Quebec groundwater: A possible fossil record of the New England hotspot. Earth and Planetary Science Letters, 545. 116352pp. doi:10.1016/j.epsl.2020.116352 | Journal (article/letter/editorial) | | Université du Québec à Montréal, CP888, Succ. Centre-Ville, Montréal, QC, H3C 3P8, Canada c Atmosphere...Université de Sherbrooke, Longueuil, QC, J4K 0A8, Canada b a r t i c l e i n f o Article history: Received...age located in the St. Lawrence Lowlands, Quebec, Canada. Their origin is controversial and numerous studies...across the St. Lawrence Lowlands, Quebec, Eastern Canada (Fig. 1 and 2b). The magmatic source of these intrusions...located west of Montreal, close to the Oka carbonatite complex (Fig. 2a). The second set of helium P |  | | Journal (article/letter/editorial) | | History of the Oka Carbonatite Complex (Québec, Canada) as Recorded by Perovskite and Apatite Wei Chen *...2014 / Published: 26 May 2014 Abstract: The Oka complex is amongst the youngest carbonatite occurrences...the Monteregian Igneous Province (MIP; Québec, Canada). The complex consists of both carbonatite and undersaturated...study is to decipher the petrogenetic history of Oka via the compositional, isotopic and geochronological...investigation of accessory minerals, perovskite and apatite, using laser ablation inductively coupled plasma |  | | 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) | | and apatite, and U–Pb ages of apatite from the Oka carbonatite complex: Insights into a complex crystallization...online 1 May 2012 Keywords: Apatite Calcite Geochronology Carbonatite Oka Laser ablation a b s t r a...element compositions of calcite and apatite, and U–Pb ages of apatite for carbonatites and associated okaites...okaites and ijolites from the Oka carbonatite complex (Canada). Both apatite and calcite are rare earth...and SiO2 contents that correlate positively in apatite. This result supports the previously proposed substitution |  | | Journal (article/letter/editorial) | | include chromite, ilmenite, ulvospinel, rutile, apatite, the common sulfides, and a wide variety of silicates...on the eastern side (Januzzi 1961); excellent complex magnetite crystals in calcite have been found at... County. Large magnetite crystals occur with apatite and titanite in granodiorite on the Springfield...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 |  | | Journal (article/letter/editorial) | | Springer-Verlag 1987 Nd and Sr isotope systematics of the Oka complex, Quebec, and their bearing on the evolution of... 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...compositions. Assuming an age of 109 M a for the complex, apatite, calcite, garnet, melilite, monticellite,...depleted in the L I L elements. The new data from Oka suggest that the depleted source may have remained |  | | Journal (article/letter/editorial) | | 819-825, 1973 ScandiumGeochemistry of the Oka Garbonatite Complex,Oka,Quebec G. NelsoN Env Department of Biological...samples) and minerals (84 samples) from the Oka carbonatite complex, Oka, Quebec' Whole-rock data indicate a...minerals (niocalite, perovskite, and pyrochlore) and apatite are the principal carriers of scandium; ferromagnesianminerals...equilibrium was not attained by the Oka rocks. The silicate rocks of the complex crystallized from a differentiating...selectivepartitioning of scandium, possibly in the form of complex ions, into the volatilerich phase may account for |  | | Journal (article/letter/editorial) | | biotite – phlogopite, hastingsite, K-feldspar, apatite-I, Ti-magnetite, pyrrhotite-I Mg-calcite ± dolomite...Mg-arfvedsonite-I, clinohumite-I, chondrodite-I, apatite-II, Mg-magnetite, pyrrhotite-II, chalcopyrite Calcite...clinohumite-II, chondrodite-II, talc, serpentine, apatite-III, magnetite, ilmenite, sphene, pyrrhotite-III...Phoscorite Phoscorite Mineral Calcite Apatite Calcite Apatite 87 Sr/86Sr References 0.7042 0.7046...7039 0.7036 Nielsen and Buchardt, 1985 Oka, Quebeck, Canada Calcite carbonatite Calcite carbonatite |  | | Journal (article/letter/editorial) | | and strontium isotope relationships in the Oka ~~~tite complex, Quebec M.H. Department of &&&al GR~~NENFELDER’...Geology, &a&on University, Ottawa, Ontario, KlS 5B6, Canada (Rec&ed March 22, 1985;acceptedin revisedform Decemk...and 1 melilite separates from the Oka, Quebec, carbonatite complex. Pyrite, melilite and two calcite...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 |  | | Journal (article/letter/editorial) | | yttrium in the rocks and minerals of the Oka carbonatite complex, Quebec G. NELSON EBY Department of Environmental...(14) and mineral (87) samples from the Oka carbonatite complex. Whole-rock and mineral data indicate a...The greatest REE and Y concentrations occur in apatite, niooalite, perovskite and pyrochlore. Many of...mineral pairs are quite variable, indicating that the Oka rocks were emplaced through a wide-range of physicochemical...conditions. A reasonable model for the origin of the complex involves a limited partial melting of mantle material |  | | Journal (article/letter/editorial) | | hydrothermal fluids in the Oka carhonatite, Evidence from fluid inclusions Quebec, Canada: IAINM. SAMSON,’WEINING...3P4, Canada Quebec H3A 2A7, Canada Februury 2 1. 1995 ) Abstract-Fluid inclusions in apatite, monticellite...monticellite, and calcite from the Oka carbonatite complex generally comprise either aqueous liquid + vapour...sequence for the host minerals was monticellite + apatite -+ calcite, which, when combined with fluid inclusion...Gold, 1972). The following description of the Oka complex is taken mainly from Gold ( 1963, 1972) and Gold |  | | Journal (article/letter/editorial) | | SEM-decrepitate analysis of fluid inclusions from Oka, Quebec, Canada IAIN M. SAMSON,’A. E. WILLIAMS-J• NES,~and...University of Windsor, Windsor, Ontario NYB 3P4, Canada ‘Department of Earth and Planetary Sciences, McGill...McGill University, Montreal, Quebec H3A 2A7, Canada (Received March 14, 1994; accepted in revised form...1995 ) Abstract-Apatite and calcite from calcite carbonatites at Oka, Quebec, Canada, contain primary...decrepitates on apatite in order to subtract the contribution from the substrate (apatite) . The reliability |  | | Journal (article/letter/editorial) | | Vuoriyarvi Massif, Kola Peninsula, Russia (our data); apatite in these rocks includes, along with portlandite...hexagonal Hexagonal portlandite platelets in apatite from forsterite– calcite carbonatite, Kovdor Massif...of calcite (3.026, 1.040, and 1.867 Å) and host apatite (2.796, 2.702, and 1.867 Å) from the sam ples...Institute) of crystalline portlandite phases from apatite from the Kovdor and Vuoriyarvi massifs, the CaO...theoretical CaO contents in portlandite (75.7%) and Fapatite (55.5%), it should be admitted that the excitation |  | 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 |  | | Report (issue) | | = 5.553 Z = [4] X-ray Powder Pattern: Oka complex, Canada. 2.744 (100), 3.887 (79), 1.942 (57), 2.773...09 0.22 0.90 0.65 99.70 [100.75] (1) Oka complex, Canada; total Fe as Fe2 O3 , after deduction of...carbonatite complexes. Association: Calcite, apatite, diopside, biotite, pyrochlore, magnetite, niocalite...niocalite, dolomite, nepheline, monticellite (Oka complex, Canada); columbite (Badloch quarry, Germany). Distribution:...Metals Corporation mine, near La Trappe, Quebec, Canada. Found in the Badloch quarry, in the Kaiserstuhl |  | | 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...and tan sovite Calcite, bastnaesite, barite, apatite, quartz Syenogranite Dolomite, ankerite,bastnaesite...shonkonite (NMNH 109359/36) Microline, bytownite, apatite, hornblende, minor albite Microcline, orthoclase |  | | Journal (article/letter/editorial) | | phlogopite, carbonates (dolomite, calcite, magnesite), apatite, tetraferriphlogopite, Fe–Ni–Cu-sulfides and serpentine...calcite, magnesite, pyrochlore, Fe–Ni–Cu-sulfides and apatite (size ≈50–100 μm) in a serpentine matrix. Moreover...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) | | 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) | | periclase-dolomite-calcite carbonatite from the Oka complex, Quebec, and its calculated volatile composition*...mineral assemblage calcite-dolomite- periclase-apatite-forsterite-magnesioferrite-pyrrhotite-alabandite...te in a carbonatite dike within the Oka complex, Quebec, buffers the fugacities (and partial pressures)...with the absence of fluoride minerals other than apatite. Presence of a water-rich gas phase is consistent...unusual carbonatite dike on Husereau Hill in the Oka complex (Gold 1967, 1972) provides a unique opportunity |
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