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11.
Geology of Ore Deposits - Abstract—Accessory REE- and Ti-bearing minerals have been investigated in rocks of the northern part of the West Ny Friesland anticlinorium, Svalbard Archipelago....  相似文献   
12.
Izvestiya, Atmospheric and Oceanic Physics - This work summarizes the archived data of geocryological and hydrogeological conditions in the west of Nordenskiold Land on the Spitsbergen Archipelago....  相似文献   
13.
The paper reports the results of SIMS and SEM-EDS study of rock-forming minerals from melt pockets in the central part of a spinel peridotite xenolith taken from Quaternary alkaline basalts of Sverre Volcano in the northwestern part of West Spitsbergen Island. Olivine and clinopyroxene are analyzed to trace changes related to the metasomatic interaction between spinel lherzolite and a carbonate melt with formation of corresponding secondary minerals and silicate glass. It is established that the metasomatic interaction of the carbonate melt with minerals of host spinel lherzolite is accompanied by partial recrystallization of olivine and clinopyroxene, or crystallization of the second generation of these minerals. Percolating carbonate melt caused significant changes in the major, trace, and rare-earth element composition of the considered minerals, thus placing constraints on the use of the composition of these minerals for calculation of PT parameters, estimating equilibrium, and modeling petrological processes in mantle.  相似文献   
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