福建龙岩高岭土矿床是蚀变花岗岩风化残余型矿床。

The Longyan kaolin deposit in Fujian province, is of weathering residual type of altered granite.

youdao

福建龙岩高岭土矿床是蚀变花岗岩风化残余型矿床。

The Longyan kaolin deposit in Fujian province, is of weathering residual type of altered granite.

youdao