西北地质2001,Vol.34Issue(1):64-67,4.
青海玉树囊谦第三纪盆地岩相古地理研究
Sedimentary facies and palaeogeography features of Nangqian Tertiary basin in Yushu district,Qinghai
王世锋 1伊海生 2王成善2
作者信息
- 1. 北京大学地质系,
- 2. 成都理工学院沉积研究所,
- 折叠
摘要
Abstract
Through studying features of sedimentary and stratigraphic paleontology in Nangqian Tertiary basin,the authors point out the climate at Early Tertiary in basin is tropical-subtropical and rainy,the basin is not more than 1 000 m above sea level.The sedimentary faces and palaeogeography discover that in early basin development sedimentary assemblage is fan-braided-delta-lake which reflects tectonic active;in mature basin development the sedimentary assemblage is river-lake-delta.关键词
囊谦第三纪盆地/沉积组合/岩相古地理分类
天文与地球科学引用本文复制引用
王世锋,伊海生,王成善..青海玉树囊谦第三纪盆地岩相古地理研究[J].西北地质,2001,34(1):64-67,4.