 | Smith, W.D., Darling, J.R., Bullen, D.S., Lasalle, S., Pereira, I., Moreira, H., Allen, C.J., Tapster, S. (2019) Zircon perspectives on the age and origin of evolved S-type granites from the Cornubian Batholith, Southwest England. Lithos, 336. 14-26 doi:10.1016/j.lithos.2019.03.025 | Journal (article/letter/editorial) | | concentrations delaying zircon fractionation. Trace cassiterite AC has been observed within interstitial tourmaline...Results were calibrated against primary standard Itambé over one analytical session (Gonçalves et al.,...rims (e.g., Drivenes et al., 2015). Accessory cassiterite (SnO2) occurs exclusively within TGs as distinct...from the source (Romer & Kroner, 2016). SC Cassiterite mineralisation is closely associated tourmaline...across the Cornubian Batholith. At Crownhill, cassiterite is NU associated with tourmaline that display |  | | Journal (article/letter/editorial) | | associated with granites (e.g., greisen and quartz-cassiterite veins), in rhyolites, and locally in metamorphic...pegmatite, Altai District, China Itambé-Itapetinga area, Bahia, Brazil Ab, Kfs, qz, clv, ms, grt, altered...Governador Valadares and Araçuai, Minas Gerais, Brazil – Qz, Mag, fl, Fap, zrn, Y& REE minerals Li minerals...Mozambique Oriental Pegmatite Province, Minas Gerais, Brazil Quadeville, Ontario, Canada Qz, Kfs, ab, bt,...Isola d’Elba, Italy; Salinas mine, Minas Gerais, Brazil Yellow (transparent honey-color): Replacement zone |  | | Journal (issue) | | amber imitation • Assembled diamond imitations from Brazil • Enamel-backed quartz as a star sapphire imitation...asymmetrical rays, such as in this 17.08 ct cassiterite that shows nine rays. Photo by Maha Tannous....asterism. We studied one each of sinhalite, cassiterite, chrysoberyl, and garnet, and one stone that...examples of either phenomenon in sinhalite, cassiterite, and scheelite (or samarskite). The balance of...Also presented were the results of exploration in Brazil and in the Wawa and James Bay Lowland areas of |  | Van Lichtervelde, Marieke, Grand’Homme, Alexis, de Saint-Blanquat, Michel, Olivier, Philippe, Gerdes, Axel, Paquette, Jean-Louis, Melgarejo, Joan Carles, Druguet, Elena, Alfonso, Pura (2017) U-Pb geochronology on zircon and columbite-group minerals of the Cap de Creus pegmatites, NE Spain. Mineralogy and Petrology, 111 (1) 1-21 doi:10.1007/s00710-016-0455-1 | Journal (article/letter/editorial) | | as Ta-rich minerals of the columbite group, cassiterite and uraninite. Type IV pegmatites are the most...rich members of the columbite group, as well as cassiterite, tapiolite and aeschynite. Following the classical...synthetic calibrant materials (Ta, Nb, and W metals, cassiterite, zircon, hematite, wollastonite, MnTiO3, ScPO4...Nb-Taminerals associated with CGM include wodginite, cassiterite and microlite. Zircon and CGM may be found intimately...(2011) Late Neoproterozoic overprinting of the cassiterite and columbite – tantalite bearing pegmatites |  | | Book | | potential deposits of SiO2 raw materials in Argentina, Brazil, Germany and Norway. The third part of the book...collaboration between scientists from Australia, Brazil, Canada, Germany, Norway, Switzerland and the USA...Color-Enhancing of Gemological Crystalline Quartz in Brazil . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . 6.3.3 Quartz Color-Enhancing in Brazil. . . . . . . . . . . . . . . . . . . . . . 139...Federal do Pernambuco (UFPE), Recife, PE 50740-530, Brazil Mario L. S. C. Chaves Departamento de Geologia |
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