These features indicate that the uranium ore-forming granites were derived from the upper crust and were the products of the repeated remelting and differentiation of the crustal materials.The granite-type uranium deposits are similar to their host rocks in composition and element association. Their ...
The composition of a primary granite-derived ore fluid from S.W. England, deter- mined by fluid inclusion analysis. Geochim. Cosmochim. Acta 52, 585-588.Bottrell SH, Yardley BWD (1988) The composition of a primary granite-derived ore fluid from SAW. England, determined by fluid inclusion ...
The structure and composition of granites provide clues to the nature of silicic volcanism, the formation of continents, and the rheological and thermal properties of the Earth's upper crust as far back as the Hadean eon during the nascent stages of the planet’s formation1,2,3,4. The tempe...
Geochemistry, zircon U-Pb dating and Hf isotope composition of granite in Fanshan area, Pinghe County, Fujian Province, and its geological significance[J]. Earth Science, 2016, 41(1):67~83. (in Chinese with English abstract) Google Scholar 地矿部福建省地质矿产勘查开发局.中华人民共和国地质...
granite (redirected fromGranite biotite) Thesaurus Encyclopedia gran·ite (grăn′ĭt) n. 1.A common, coarse-grained, light-colored, hard igneous rock consisting chiefly of quartz, orthoclase or microcline, and mica, used in monuments and for building. ...
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piece - an artistic or literary composition; "he wrote an interesting piece on Iran"; "the children acted out a comic piece to amuse the guests" snatch, bit - a small fragment; "overheard snatches of their conversation" Verb 1. fragment - break or cause to break into pieces; "The plate...
The lithology of the lower continental crust is mainly gneiss, granulite, and hornblendite, classified by the degree of metamorphism (Rudnick and Gao, 2003; Huang et al., 2013; Hacker et al., 2015). To comprehensively study the behavior and isotopic composition of Cu within the continental ...
The rocks of the Sokrisan granite are mostly early stage, those of the Weolaksan and Muamsa granites include both early and late stages, and the studied samples of the Susan granite are entirely late stage. These four Cretaceous granites have more than 70 wt% SiO2, high Rb/Sr ratios, ...
From the novel results of comprehensive geological–hydrobiogeochemical studies conducted on Olkhon Island (Lake Baikal), it follows that the phenomenon of geophagy among wild and domestic ungulates on the island is caused by the deficiency of light subg