STRATIGRAPHY, BIOTA AND ENVIRONMENT OF EARLY TRIAS-SIC IN DUWA AREA OF TARIM BASIN

Abstract

Abstract: The fossils such as sporopollen, big spore, conchostraca, fish and acritarch etc. were found in Wuzunsayi formation(Early Tnassic) in Duwa section of Tarim basin, among which the sporopollen prevails with 50 genus and 67 species. A sporopollen assemblage was established based on the sporojx)llen fossils, named Taemaesporites-Camptotriletes assemblage. Synthetic use of these fossils gives a solid biostratigraphic foundation of Elarly; Tnassic in Duwa area.

Key words: Tarim basin, Duwa area, Early Tnassic, Sporopollen, Conchostraca Acritarch, Fossil, Assemblage, Sedimentary environment

Liu Zhaosheng. STRATIGRAPHY, BIOTA AND ENVIRONMENT OF EARLY TRIAS-SIC IN DUWA AREA OF TARIM BASIN[J]. Xinjiang Petroleum Geology, 1996, 17(3): 242-254.

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