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hu nan bai zuo ji zao di san ji lun zao hua shi zu he
Author(s): 
Pages: 409-417+441-442
Year: Issue:  4
Journal: Oil & Gas Geology

Keyword:  轮藻化石化石组合早第三纪洞庭盆地白垩纪介形类轮藻组合轮藻科衡阳盆地棕红色;
Abstract: <正> 按其地层分布自下而上简介如下(图版Ⅰ,表1):Ⅰ.perimneste ancora-Triclypella calcitrapa zone(锚形求偶轮藻-菱形三盾轮藻带)(早白垩世中期):以衡阳盆地东井组为代表,厚0—728米,由棕红色砾岩、含砾砂岩、泥岩组成,夹杂色泥岩透镜体。含轮藻、介形类、孢粉、瓣鳃类等化石。轮藻主要
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