 | Roulleau, Emilie, Pinti, Daniele L., Stevenson, Ross K., Takahata, Naoto, Sano, Yuji, Pitre, Fabien (2012) N, Ar and Pb isotopic co-variations in magmatic minerals: Discriminating fractionation processes from magmatic sources in Monteregian Hills, Québec, Canada. Chemical Geology, 326. 123-131 doi:10.1016/j.chemgeo.2012.07.016 | Journal (article/letter/editorial) | | from magmatic sources in Monteregian Hills, Québec, Canada Emilie Roulleau a, b,⁎, Daniele L. Pinti a...Département des Sciences de la Terre et de l'Atmosphère, Université du Québec à Montréal, Succ. Centre Ville...Ville CP 8888, Montréal, QC, Canada H2X 3Y7 Division of Ocean and Earth Systems, Atmosphere and Ocean...boulevard Alexis-Nihon bureau 110, Saint-Laurent, QC, Canada H4M 2N6 a r t i c l e i n f o Article history:...mafic rocks belonging to the Monteregian Hills (Québec, Canada). For comparison, lead isotopic compositions |  | | Journal (article/letter/editorial) | | composition exhibits dramatic lateral variations. Mont Oka in the west is mainly carbonatitic (56%) and...and nordmarkites increases: Mont Shefford (48%), Mont Brome (57%), Mont Mégantic (100%) (Eby, 1985)....(87–79 Ma), and the Posos de Caldas phonolite–nepheline syenite complex (77–51 Ma). This series resembles...of basalt ones, formed in the Sr Ba Rare earths La Sm Y Incompatible elements Zr Nb Iron-group elements...These are primarily Na complexes of agpaitic nepheline syenites, alkali granites, and carbonatites, along |  | | Journal (article/letter/editorial) | | ability of magmas in some complexes (in this case Mont Shefford in Quebec) to evolve across the alkali feldspar...petrogeny's residua system. They conclude that the nepheline syenite magma reacted with quartz-bearing country...the problem that adding silica to a liquid of nepheline 133 B O O K REVIEWS syenite composition will |  | | Book | | MONT SAINT-HILAIRE: HISTORY, GEOLOGY, MINERALOGY About the cover The striking specimen shown on...specimens collected at Mont Saint-Hilaire; it features the species that made Mont Saint-Hilaire so well...cover feature two species originally described from Mont Saint-Hilaire; they remain unique to that locality...Monteregianite is named after the Monteregian Hills, of which Mont Saint-Hilaire is a member; carletonite is named...Carleton University, where much of the early work on Mont Saint-Hilaire minerals was carried out. The monteregianite-(Y) |  | Brotzu, P., Gomes, C.B., Melluso, L., Morbidelli, L., Morra, V., Ruberti, E. (1997) Petrogenesis of coexisting SiO2-undersaturated to SiO2-oversaturated felsic igneous rocks: The alkaline complex of Itatiaia, southeastern Brazil. Lithos, 40 (2) 133-156 doi:10.1016/s0024-4937(97)00007-8 | Journal (article/letter/editorial) | | Dipam’mento di Scienze della Terra, Universith di Roma ‘La Sapienza’, Roma, Italy Received 10 December 1996;...dominant throughout and with presence of both nepheline- and quartz-rich varieties. Dykes with phonolitic...source. 0 1997 Elsevier Science B.V. Keywords: Nepheline syenites; Quartz syenites; Granites, Crustal...inside the outer ring (Tres Piqos). 135 (c) Nepheline-rich syenites are found as later intrusions both...sometimes, relative enrichment in mafic phases or in nepheline is observed, as a consequence of magmatic layering |  | | Journal (article/letter/editorial) | | alkali enrichment resulted in nepheline-normative and sparse nepheline-bearing monzodioritic and monzonitic...A) range from b0.5 wt.% to at least 7.6 wt.%. Nepheline, with Na/(Na+K+Ca) from 0.82 to 0.65, is present...(dioritic) zone and the western syenite zone. Nepheline is typically in textural equilibrium with plagioclase...Quartz is an interstitial phase in some syenites; nepheline was not recognized in any of them. All samples...olivine (ol), plagioclase (plag), K-feldspar (Ksp), nepheline (neph), calcite (cc). (a) Amphibole olivine gabbro |  | Kempe, U., Möckel, R., Graupner, T., Kynicky, J., Dombon, E. (2015) The genesis of Zr–Nb–REE mineralisation at Khalzan Buregte (Western Mongolia) reconsidered. Ore Geology Reviews, 64. 602-625 doi:10.1016/j.oregeorev.2014.05.003 | Journal (article/letter/editorial) | | Yarmolyuk, 1993), but include also syenites, nepheline syenites and alkaline granites (Kovalenko and...the Acme Analytical Laboratories Ltd., Vancouver, Canada. Digestion was achieved by dilute nitric acid after...phase, as in the Strange Lake Zr-Nb-REE deposit, Canada (Salvi and Williams-Jones, 1992). Alternatively...results, chevkinite with the general formula (Ce,La)2(Ti,Nb)2[O4|Si2O7] is a common accessory in alkaline...to a more distinct convex-upward profile between La and Nd (i.e. in the range of the first tetrad) and |  | | Journal (issue) | | Ann Arbor, MI Andrew C. Roberts Geol. Surv. of Canada Ottawa George W. Robinson Seaman Mineral Museum...mineral localities: The Francon Quarry, Montréal, Québec, Canada . . . . . . . . . . . . . . . . . . . 5 by...annual FM-MSA-TGMS Tucson Mineralogical Symposium: CANADA! . . . . . . . . . . . . . . . . . . . 65 Chairman:...matrix, from the Francon quarry, Montréal, Québec, Canada. (See the article in this issue on this famous...Beaconsfield, Québec, Canada H9W 4H8 László Horváth and Elsa Pfenninger-Horváth 594 Main Road Hudson, Québec, Canada |  | | Thesis/Dissertation | | Raymond, Professeur, Département des Sciences de la Terre, Faculté des Sciences - Université d’Antananarivo...RAMANIVOSOA Beby, Professeur, Département des Sciences de la Terre, Faculté des Sciences- Université de Mahajanga...par Lui, et pour Lui que sont toutes choses. A Lui la gloire dans tous les siècles ! (Romains 11 :36) ...reconnaître que cette thèse n’aurait pas pu aboutir sans la collaboration des personnes : - Professeur RAMANANTSIZEHENA...et les directives. Merci sincèrement surtout pour la compréhension que vous nous avez témoigné. - Professeur |  | | Journal (issue) | | INTRODUCTION In its short history as a mineral locality, Mont Saint-Hilaire has become a contemporary classic... To date, 250 species have been identified from Mont Saint-Hilaire (including poly types), 16 of which...potentially new species. While the minerals for which Mont Saint-Hilaire is the type locality have been well-characterized...number of rare species have been identified for which Mont Saint-Hilaire is the second known occurrence. Some...to six years have been particularly productive at Mont Saint-Hilaire, especially in terms of the rare species |  | | Book (volume) | | promising diamond fields being vigorously explored in Canada and the United States. Experts agree that in several...diamond-bearing kimberlite bodies, most likely in Canada. Systematic large-scale mining of sapphire-bearing...:cceseeseeseeseerees Figure 4. Entrance to the La Toca amber mine, Dominican Republic... Figure 5...exposed on Mont Saint-Hilaire, Quebec........cececseeeees 408 Figure 83. Poudrette Quarry on Mont Saint-Hilaire... California. Van Pelt photo. Black pearls from La Paz, Baja California Sur, Mexico, fished from rejuvenated |
|
