 | Sheard, E. R., Williams-Jones, A. E., Heiligmann, M., Pederson, C., Trueman, D. L. (2012) Controls on the Concentration of Zirconium, Niobium, and the Rare Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada. Economic Geology, 107 (1) 81-104 doi:10.2113/econgeo.107.1.81 | Journal (article/letter/editorial) | | Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada EMMA R. SHEARD,1,† ANTHONY...University, 3450 University Street, Montreal, Quebec, Canada H3A 2A7 2 Avalon Rare Metals Inc., 130 Adelaide... Suite 1901, Toronto, Ontario, Canada M5H 3P5 Abstract The Thor Lake rare metal (Zr, Nb, REE, Ta, Be...Be, Ga) deposits in Canada’s Northwest Territories represent one of the largest resources of zirconium...2094 to 2185 Ma alkaline to peralkaline Blachford Lake Intrusive Complex. A layered alkaline suite dominated |  | Nag, S., Chakravorty, P. S., Smith, T. E., Huang, C. H. (2007) The petrology and geochemistry of intrusive alkaline rocks of Elchuru, Prakasam District, Andhra Pradesh, India. Geological Journal, 19 (1) 57-76 doi:10.1002/gj.3350190105 | Journal (article/letter/editorial) | | (1984) The petrology and geochemistry of intrusive alkaline rocks of Elchuru, Prakasam District, Andhra Pradesh... Ontario, Canada The Elchuru alkaline igneous intrusion is an arcuate-shaped ring complex, approximately...high grade metamorphic series. It is part of an alkaline province composed of a number of intrusions which...ncpheline syenite. The complex is cut by late lamprophyric dykes. A nephelinized alkaline gneiss, within the...the investigated complex, is the only deformed rock type and is regarded as an older unit not related |  | Wunder, Bernd, Meixner, Anette, Romer, Rolf L., Feenstra, Anne, Schettler, Georg, Heinrich, Wilhelm (2007) Lithium isotope fractionation between Li-bearing staurolite, Li-mica and aqueous fluids: An experimental study. Chemical Geology, 238 (3) 277-290 doi:10.1016/j.chemgeo.2006.12.001 | Journal (article/letter/editorial) | | Table 2. The hydrogen content of staurolite is a complex function of paragenesis, staurolite composition...2006), clay and fluid (Williams and Hervig, 2005), calcite, aragonite and fluid (Marriott et al., 2004), altered...fractionation between calcite and aragonite (Fig. 5; Marriott et al., 2004). Δ7 Liaragonite–calcite is − 8‰ at 25...substitution of Li + + R 3+ ⬄ 2Ca 2+ in aragonite and calcite, respectively. In amphiboles, Li occupies the M4(B)-site...magmatic rocks of the peralkaline Ilímaussaq plutonic complex, South Greenland (Marks, 2006, personal communication) |  | | Book | | University of Manitoba, Winnipeg Manitoba R3T 2N2 Canada Prof. Dr. FRANCIS SAUPE Centre de Recherehes Petrographiques...some pegmatites, alkaline granites and earbonatites with their assoeiated alkaline roeks. Preface ... VII Other pegmatites and alkaline rocks are barren and their REE, Ta and Nb contents may be below the...are more common in carbonatites and associated alkaline rocks, whereas Ta is mostly recovered from pegmatites...Group Minerals from the Qaqarssuk Carbonatite Complex. C. Knudsen ( with 8 Figures) . . . . . . . . |
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