| | Journal (article/letter/editorial) | gadolinites, perrierite, rinkite, thorite, turkestanite, and vesuvianite). The total absorbed a-doses...coefficients varied from 5 × 10-5% (uraninite) to 2.5% (turkestanite). The 220Rn emanation coefficients varied from...rates presented here should thus be regarded as the upper limits of emanations. The samples differ in terms...area (e.g., m = 0.242 g and S = 1.82 cm2 for turkestanite, to m = 160.595 g and S = 62.29 cm2 for uraninite)...of 0 to 10% with a sensitivity of 4 Bq/m3 and an upper linear detection limit of Locality, U and Th activity | | | Journal (article/letter/editorial) | Major- and trace-element composition of REE-rich turkestanite from peralkaline granites of the Morro Redondo...November 2009; Accepted 6 August 2010] ABSTR ACT Turkestanite, a rare Th- and REE-bearing cyclosilicate in...involving steacyite, a Na-dominant analogue of turkestanite, iraqite, a REE-bearing endmember in the ekanite...group, ekanite and some theoretical end-members. Turkestanite crystals were interpreted as having precipitated...enhanced by deformational events. K EY WORDS : turkestanite, chemical composition, trace elements, solid | | | Journal (article/letter/editorial) | alkaline massif, Kyrgyzstan (2) (3) (4) Pichikol’ alkaline massif, Russia Khibiny massif, Kola Peninsula...occurrence, Russia (20) Turkestanite (K,o)(Ca,Na)2ThSi8O20·nH2O Dzhelisu massif, Kyrgyzstan Darai-Pioz Glacier...Tadjikistan (21) Umbozerite Na3Sr4ThSi8(O,OH)24 Lovozero massif, Kola Peninsula, Russia (22) Notes: (1) This work;...Th–F modes. A strong and broad band occur in the region between 3000 and 3800 cm–1 (Fig. 2b), which could...A., Sokolova, E.V., and Kabalov, Y.K. (1997) Turkestanite, Th(Ca,Na)2(K1–xox)Si8O20·nH2O—a new mineral | | | Book | alkaline syenite pegmatite of the Tatarskii Massif, Tatarka River, Enisei �ange, Krasnoyarsk Territory, Siberia...in 1 956 in the core of a borehole in the Aksai Valley at the giant Chelkar salt dome, Uralsk district...found at the Alekseevskoye gold occurrence, Sutam region, Stanovoi Range, SE Yakutia. The mineral occurs...pegmatoid rock at the Alluaiv -- Mt., Lovozero alkaline massif, Kola Peninsula. The rock is largely composed of...of the Former Soviet Union A J(hibinY alkaline massif, Kola Peninsula. Altisite occurs as cot.less transparent | | | Book | INTRODUCTION Mont Saint-Hilaire and the Richelieu River. Photo: 123rf.com/ Sebastien Lemyre anada, the...east of Montreal on the east side of the Richelieu River in La-Valleedu-Richelieu RCM, Monteregie, Quebec...named Monteregie is now the current name of the region. he name Mont Saint-Hilaire is used interchangeably...exploring what is now the Richelieu River and Lake Champlain region, Samuel de Champlain first named the...lying between the mountain's base and the Richelieu River; it is clearly visible from the Autoroute 20 (Trans-Canada | | | Book (edition) | abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano), Penin. (peninsula)...historical names of regions is preferred here, e.g. Upper Silesia, Moravia and Transylvania. Some names of...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...the central United States or of the Upper Silesian historical region in Poland, where the importance of |
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Dzhelisu Massif, Upper Khodzhaachkan River, Sokh Valley, Batken Region, Kyrgyzstan