The Discovery of Terrestrial Extrusive Basalt of Permian Woniusi Formation in Shidian Area, Western Yunnan Province

详细信息   

• 责任者：Huang Yong (Geological Surveying Academy of Guizhou Province ; Guiyang 550005 ; China) ; Hao Jiaxu
• 刊名：Geological Bulletin of China
• 出版年：2012
• 卷期：31(2)
• 关键词：溢流玄武岩 ; flood basalts ; 云南 ; Yunnan Province
• 页码：p.314-320
• 图表：3 illus., 2 tables, 6 refs.
• 分类号：0801
• 出版序号：20130121
• issnNo：ISSN1671-2552
• isbnNo：CN11-4648/P

摘要

The basalt of Woniusi Formation is distributed extensively in Shidian area, Yunnan Province. It was thought previously that this basalt belonged to explosive littoral-neritic facies. During the field work in recent years, the authors found that sedimentary intercalations are missing in basalt of Woniusi Formation. And that the basalt is similar to Emeishan basalts in petrology and geochemistry and has some characteristics of terrestrial extrusive facies.