Discussion on the Age of the Ordovician Yingshan Formation in Tarim Block
详细信息
- 责任者：Du Pinde (Institute of Exploration and Development ; Tarim Oilfield Company ; PetroChina ; Korla 841000 ; China) ; Yang Zhilin
- 刊名：Journal of Stratigraphy
- 出版年：2013
- 卷期：37(2)
- 关键词：早奥陶世 ; Lower Ordovician ; 地层对比 ; stratigraphic correlation ; 塔里木板块 ; Tarim Plate
- 页码：p.223-231
- 图表：illus., 5 tables, 34 refs.
- 分类号：1200
- issnNo：ISSN0253-4959
- isbnNo：CN32-1187/P
摘要
The Ordovician Yingshan Formation in the Tarim Basin has been interpreted as Early Ordovician, Early-Middle Ordovician, or Middle Ordovician deposits. Based on the geological range of the conodont Serratognathoides chuxianensis and the Lower/Middle Ordovician boundary stratotype, the Yingshan Formation is regarded as Early Lower Ordovician in age (Tremadocian-Floian). There is stratigraphic break between the Yingshan Formation and the overlying strata based on paleontological and biostratigraphical data.
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