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The Petrogenesis and Sedimentary Environment of Upper Loushanguan Formation Chert Nodules in Xuan’en County, Western Hubei
Pages: 671-676,691
Year: Issue:  5
Journal: Resources Environment & Engineering

Keyword:  Loushanguan Formationchert nodulesgeochemistry;
Abstract: Through the samples of the chert nodules developed in upper Loushanguan Formation in Xuan’en County, Western Hubei,the authors manly use the petrology and geochemistry methods to discuss the petrogenesis and sedimenta-ry environment of the chert nodules. The major element characteristics show that the chert nodules belong to non-hydro-thermal origin. Trace elements,U/Th,V/( V+Ni) and Ceanom etc. ,index that the weak oxidation and poor oxygen sedi-mentary environment;the major elements,trace elements and rare earth element( REE) comprehensively make sure that the chert nodules in this area deposited in continental shelf.
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