藏南吉隆地区二叠纪生物地层PERMIAN BIOSTRATIGRAPHY FROM THE JILONG AREA,SOUTHERN XIZANG
朱才伐,田立富,孙黎明,张振利
摘要(Abstract)：
藏南吉隆地区二叠系主要为一套中厚层状碳酸盐岩、石英砂岩夹泥质岩岩性组合,产丰富的腕足类、珊瑚、苔藓虫、菊石及海百合茎、遗迹化石等多门类化石,包括5个腕足动物组合、1个菊石带、2个珊瑚组合、1个海百合化石层、1个遗迹化石层。根据岩性二叠系划分为基龙组和曲布日嘎组。基龙组时代相当于早二叠世阿丁斯克期—萨克马尔期。曲布日嘎组时代以栖霞期—茅口期为主,顶部可能包括部分吴家坪期。
关键词(KeyWords)： 生物地层;基龙组;曲布日嘎组;二叠系;吉隆地区;西藏
基金项目(Foundation): 中国地质调查局《萨嘎县幅》、《桑桑区幅》及《吉隆县幅》(国内部分)1/25万区域地质调查项目(20001300009181)资助
作者(Author): 朱才伐,田立富,孙黎明,张振利
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