张予杰,程立人

• 1:成都地质矿产研究所
• 2:吉林大学地球科学学院

摘要(Abstract)：

申扎地区的下泥盆统出露良好、沉积连续、构造单一,生物化石丰富,门类也较为齐全。根据多门类生物化石将下泥盆统进行了划分与对比。在塔尔玛达尔东组为一套以碳酸盐岩为主的沉积地层,中间夹有少量粒级较细的碎屑岩,属于稳定陆棚浅海型沉积。根据岩性和岩相特征可以明显划分为下部和中上部,下部灰岩中产有牙形石、竹节石和头足类,并含有丰富珊瑚和腕足类化石;中上部含有较丰富的珊瑚、腕足类等底栖生物化石,并含有竹节石、牙形石和头足类等游移生物化石。该组的时代为早泥盆世,包括Lochkovian大部以及整个Pragian、Emsian期。

关键词(KeyWords)： 生物地层;下泥盆统;申扎;西藏

Abstract:

Keywords:

基金项目(Foundation): 青藏高原基础地质调查成果集成与综合研究(No1212010610101);; 1/25万《申扎县幅》区域地质调查(No20001300009141)

作者(Author): 张予杰,程立人

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