 | 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 |  | | Journal (article/letter/editorial) | | group', to which belong Fe-rich micas from non-alkaline rocks of A-type affinity, and a 'high Li-Mg group'...regression equations for the peraluminous and the alkaline-peralkaline sub-groups. The 'normal group' regression...from peraluminous rocks and those from rocks of alkaline to peralkaline affiliation: (a) Peraluminous 1-...present authors) (b) Alkaline magmatic and metasomatic rocks which contain 'polylithionite' [in the sense of...[A13+]2 [polylithionite], [Li+]2 + [Mg2+]4 [taeniolite] ~-[Li+]4 + [AI3+ ]2 [polylithionite]. In micas |  | 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) | | e, K(Li1.5Al1.5)[6](Si3Al)[4] O10(OH)2 and polylithionite, K(Li2Al)Si4O10(OH)2 (Foster, 1960), respectively...third starting material (mica3) was a gel of polylithionite composition, which was prepared following the...Table 2. The hydrogen content of staurolite is a complex function of paragenesis, staurolite composition...Li-mica (open circles) plotted in muscovite–polylithionite–trilithionite ternary (Munoz, 1968). Solid...Geology 238 (2007) 277–290 (Si3Al)O10(F,OH)2-polylithionite (PL) K(Li2Al)Si4O10 (F,OH)2-trilithionite (TL) |  | | Journal (article/letter/editorial) | | 2001 The Mineralogical Society Because of their complex crystal structure, trioctahedral micas may incorporate... Basically the same holds true for micas from alkaline and peraluminous granites. Many trace-element...Siderophyllite Lithian siderophyllite Ferroan polylithionite Polylithionite mgli 6.0..4.0 4.0..2.0 2.0..0.6 2.0...phlogopite, Mg biotite, and rare Fe biotite from alkaline rocks including leucitites, nephelinites, alkali...and Skinner, 1984), and (7) Mg biotite from calc-alkaline mantle xenoliths from Nograd-Gömör, Hungary |  | | Journal (article/letter/editorial) | | 2dimensional projections. Also, taenolite and polylithionite lie outside the range of the diagram and Ti...reflects the proportions of the phlogopite and polylithionite components, and the parameter [Fetot + Mn +...and pmtolithionite, zinnwaldite and tri- to polylithionite, respectively. The composition of taoniolite...exceptional conditions of form~ation where lithium-rich alkaline fluids interact with high-Mg rocks (such as fenites...a m e for the most Li-rich micas including polylithionite, trilithionite (= paucilithionite), and cryophyllite |  | | 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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