Strontium Isotopic Composition Near Marine Permian/Triassic Boundary of the
详细信息
- 责任者：Hu Zuowei (State Key Laboratory of Oil/Gas Reservoir Geology and Exploitation ; Institute of Sedimentary Geology ; Chengdu University of Technology ; Chengdu 610059 ; China) ; Huang Sijing
- 刊名：Acta Geoscientica Sinica
- 出版年：2010
- 卷期：31(6)
- 关键词：三叠纪 ; Triassic ; 二叠纪 ; Permian ; 地层界线 ; stratigraphic boundary ; 锶同位素 ; strontium isotopes ; 四川 ; Sichuan Province
- 页码：p.853-859
- 图表：5 illus., 1 table, 31 refs.
- 分类号：1200
- issnNo：ISSN1006-3021
- isbnNo：CN11-3474/P
摘要
Based on the fundamental principle of strontium isotope stratigraphy, the authors analyzed the rock fabric and chemical composition, made preservative evaluation for coeval seawater of the carbonate rock samples near the Permian-Triassic boundary in the Huaying Mountain, eastern Sichuan Province, and then measured strontium isotopic composition of the samples. These samples haven’t suffered much from the strong diagenetic alteration and can represent preferably the coeval seawater,as evidenced by their relatively good original sedimentary fabric and high Sr concentrations. The application of strontium isotope stratigraphy to the Permian/Triassic boundary in the Huaying Mountain will provide some useful basic data for the chemo-stratigraphic and global correlative studies of marine Permian-Triassic boundary in South China.