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Okaite from
Oka complex, Deux-Montagnes RCM, Laurentides, Québec, Canada


Locality type:Complex
Classification
Type:Okaite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Okaite data
Locality Data:Click here to view Oka complex, Deux-Montagnes RCM, Laurentides, Québec, Canada
Data Identifiers
Mindat Occurrence Record ID:1079590
Long-form Identifier:1:3:1079590:3
GUID (UUID V4):cbe8aac0-6210-46c5-8b3a-627d7e61bc11
References
Reference Search (possible matching items)
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...reveal that the magmatic activity (maximum extent) at Oka was a prolonged event, which occurred between 109...carbonatite and associated silicate rocks (i.e., okaite, ijolite) were derived from a common primary magma
Journal (article/letter/editorial)
Multi-Stage Petrogenetic History of the Oka Carbonatite Complex (Québec, Canada) as Recorded by Perovskite and...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...overlaps the range of ages reported previously for Oka and the entire MIP. The overall distribution of ages
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)
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...jacupirangites;nephelineokaiteand nepheline melilitite; okaite and melilitite; and melilite-diopsidecarbonatiteand...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
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)
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)
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)
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...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...liquid which produced ijolite and subsequently okaite, and crystallization of the carbonatites from a
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)
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)
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...Niocalite sovite sovite Coarse-grainedsovite Okaite Calcite,Na amphibole Melilite, nepheline,hauynite
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...(MIP), Canada. This complex consists of both carbonatite and silicate rocks, including okaite, ijolite
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...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...scandium in the rocks and minerals of a carbonatite complex (Heinrich, 1966, p. 242). This paper presentsthe
Journal (article/letter/editorial)
Guli carbonatite complexes (Rass, 1972) and the Oka complex (Eby, 1975). The purpose of this investigation...seem to be analogous to the melilitic W&es of the Oka massif (Eby, 1975). The distribution of rare-earths...rare-earths in melilitic rocks and their minerals in the Oka massif were also used. GEOLOGICAL POSITION OF SPECIMENS...The largest of them (- 1 km*) is represented by okaite (No. 151). In the massifs of the Karelo-Kolsk province...Kugdite Melilitolite Uncompahgrite Turjaite Okaite Micaceous okaite Sovite 1 2 3 4 110 130 Ii6 89 138
Journal (article/letter/editorial)
perovskite in carbonatite of the Blue Hills Intrusive Complex, Namibia, but it is not clear whether both minerals...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...Kaiserstuhl. 13 Oka. 14 Prairie Lake; McCloskey's Field, Ontario; Alno; Oka. 15 Oka. 16 Dicker Willem...Tweerivier, Kreidfontein, and Bulhoek, South Africa. 22 Oka; Palabora. 23 Dicker Willem 8 9 10 11 12 13
Journal (article/letter/editorial)
have been compiled in Fig. 1. The data for the Oka carbonatite (DEINES, 1970a) were not included, since...the large number of analyses available for this complex would have completely dominated the distribution...calcite with accessory minerals) from the same complex (DEIXES, 1970%). However, the question arises whether...observed in Fig. 1. There is only one carbonatite (Oka) for which one can state the average carbon isotopic...that all three means differ from the mean of the Oka csrbonatite at the one per cent level of significance
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...and calcite from calcite carbonatites at Oka, Quebec, Canada, contain primary, liquidvapour and liquid-vapour-halite...constituents of the fluids. Fenites around the Oka complex are characterized by the replacement of quartz-alkali
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...nepheline alone, nepheline okaite is represented by nepheline + melilite, okaite corresponds to hydroxyhauyne
Journal (article/letter/editorial)
mineral assemblages analogous to rocks at the Oka Complex. Alkali-enriched carbonatite melts capable of...Verwoerd (1978) studied the miscibility gap in more complex systems at pressures between 0.2 and 1 GPa. Wendlandt...reinterpretation of the original runs. In a more complex system, Kjarsgaard and Peterson (1991) found that...H 2 0 . " However, the interpretation of these complex systems with non-quenchable phases nearly 30 years...FRACTIONATION IN CARBONATITES 809 TABLE 3. Comparison of Oka Rocks with Corresponding Mineral Assemblages in Phase
Journal (article/letter/editorial)
Earth Element Geochemistry of the Fen Alkaline Complex, Norway Roger H. Mitchell* and Arild O. Brunfelt...element (REE) abundances in rocks of the Fen complex has shown that within rocks of the first magmatic...and volatile transport. Introduction The Fen complex ofcarbonatites and alkaline rocks intrudes Precambrian...119 km, south-west of Oslo. The geology of the complex has been described by Brogger (1921) and Saether...intrusion were involved in the formation of the complex. The initial sequence comprised rocks of the ijolite-urtite
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)
hydrothermal fluids in the Oka carhonatite, Evidence from fluid inclusions Quebec, Canada: IAINM. SAMSON,’WEINING...accepted in revised,fimn N9B 3P4, Canada Quebec H3A 2A7, Canada Februury 2 1. 1995 ) Abstract-Fluid...apatite, monticellite, and calcite from the Oka carbonatite complex generally comprise either aqueous liquid...Gold, 1972). The following description of the Oka complex is taken mainly from Gold ( 1963, 1972) and Gold...Gold et al. ( 1967). The oval-shaped complex measures roughly 7 by 2.5 km in area and comprises two composite
Report (chapter)
batholith, Pliny Range, Belknap Mountain complex and Red Hill complex will be briefly considered as representative...ago. Specific plutons are indicated by number : 1, Oka; 2, Mount Royal; 3, Mount St. Bruno; 4, Mount St...Red Hill complex; 14, Ossipee ring-complex; 15, Cuttingsville; 16, Belknap Mountain complex; 17, Merrymeeting...description of the geology of the Belknap Mountain complex. A substantial amount of additional petrographic...subsequently carried out by Loiselle (1978). The complex consists of a diorite stock which is surrounded
Book (edition)
elements (Mountain Pass, California) and of Nb (Oka, Quebec and Araxa, Brazil) and important sources...occurrences in the United States (nearly all localities), Canada, Germany, Norway, Sweden, Uganda, Tanganyika, Nyasaland...Description of Carbonatites of the World United States Canada Brazil Greenland, Europe, and the U.S.S.R. Africa...detailed geological survey of the Alné Island complex and announced his results in a series of papers...completed most of the field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although
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]
 
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