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nan jing gua bu shan xuan wu yan shi zhu
Author(s): 
Pages: F0002-F0002
Year: Issue:  1
Journal: Resources Survey & Environment

Keyword:  玄武岩南京市石柱排列方式柱状节理地质背景火山渣;
Abstract: 位于南京市六合区的瓜埠山,是由千百万根呈无边、六边形的玄武岩石柱(柱状节理)组成的。石柱与其顶端的火山渣巧妙排列。由于瓜埠山火山山口-火火山颈岩浆溢出时的接触是多样的,所以石柱呈现多种排列方式:时而直排横列、时而辐射撒开’收敛集束。瓜埠山玄武岩石柱是在特定的地质背景下形成的。
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