摘要
喀喇昆仑及东昆仑山三叠纪地层较发育,其下、中、上三统均有存在,主要为海相沉积,其中有大量动物化石作为地层划分根据.下三叠统含放射虫硅质岩,局部见有大量玄武玢岩,代表了深海沉积;中三叠统为含双壳类灰岩、硅质岩及含海百合茎砂岩等;上三叠统,以含海燕蛤、床板珊瑚、层孔虫灰岩为主,其顶部为含有植物化石的陆相沉积.
Trias sic system is well developed in Karakorum mountain and Kunlun mountain. There are mainly marine deposits in the whole Triassic System. Only on the top of Upper Triassic (Rhaetian) are a part of terrestrial deposits observed. Continuous outcrops are discovered everywhere.
出处
《新疆地质》
CAS
CSCD
1990年第4期321-332,共12页
Xinjiang Geology
