Its stratum was mica-bearing schist of Banxi Group.

其地层为板溪群二云母片岩。

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Shennongjia Group, Banxi Group, Xiajiang Group and Danzhou Group all belong to the first cover of Yangtze platform.

而神农架群、板溪群、下江群与丹洲群，均属毗邻区地台之第一个盖层。

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The deposits were formed on the foundation of the source beds of Banxi Group through reworking and enrichment of structural metamorphism.

矿床的形成是在板溪群矿源层的基础上，经构造—变质作用的改造富集而成。

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