Its stratum was mica-bearing schist of Banxi Group.
其地层为板溪群二云母片岩。
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。
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。
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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