The results show that it is mainly composed of calcite with some dolomite and organic matter (containing methyl and hydroxyl).It is a calcium-based coral fossil.

• 结果显示，其主要成分为碳酸钙，方解石型结构，含有少量的白云石以及含有甲基和羟基的有机物，属于钙质型珊瑚化石。