期刊
JOURNAL OF ASIAN EARTH SCIENCES
卷 26, 期 6, 页码 575-583出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jseaes.2004.12.003
关键词
Changhsingian; boundary; Meishan; Wuchiapingian
Section D at Meishan, Changxing County in the Zhejiang Province, China, has been extensively studied in various aspects of the stratigraphy during the past 20 years. It was ratified by the International Union of Geological Sciences (IUGS) as the Global Standard Stratotype Section and Point (GSSP) for the Permian-Triassic boundary in 2000, and is also a potential stratotype for the Wuchiapingian-Chanahsingian boundary. However, the contact relationship between the Longtan (Wuchiapingian) and Changxing (Chainghsingian) formations has been a controversial subject for years. Recent studies on Section C, about 300 m west of Section D, at Meishan confirm a complete depositional succession around the boundary and suggest that the proposed boundary level, the FAD of Clarkina wangi within the linea-e from C. longicuspidata to C. wangi, is consistent with the first appearance of the index Changhsingian fusulinid Palaeofusidina sinensis and tapashanitid ammonoids. (c) 2005 Elsevier Ltd. All rights reserved.
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