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LATE GUADALUPIAN (MIDDLE PERMIAN) FUSULINE FAUNA FROM THE XIALA FORMATION IN XAINZA COUNTY, CENTRAL TIBET: IMPLICATION OF THE RIFTING TIME OF THE LHASA BLOCK.

Authors :
Yi-Chun Zhang
Li-Ren Cheng
Shu-Zhong Shen
Source :
Journal of Paleontology. Sep2010, Vol. 84 Issue 5, p955-973. 19p. 1 Diagram, 5 Charts.
Publication Year :
2010

Abstract

A fusuline fauna consisting of 9 species of 4 genera from the Xiala Formation of the Mujiucuo section, Xainza County, Tibet, China is described. The fusuline fauna is dominated by Nankinella and Chusenella and indicates a Midian (Late Guadalupian) age. The earliest record of fusuline fauna during the Midian in the Lhasa Block suggests that the block rifted later than the Qiangtang Block to the north and the Baoshan and Tengchong blocks to the east, all of which yield much earlier fusuline faunas of Yakhtashian (Artinskian) age, but had drifted away from Gondwana to a relatively warm temperate zone in the Late Guadalupian (Middle Permian). [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00223360
Volume :
84
Issue :
5
Database :
Academic Search Index
Journal :
Journal of Paleontology
Publication Type :
Academic Journal
Accession number :
54022827
Full Text :
https://doi.org/10.1666/10-005.1