silicolites

The association of albite-bearing silicolites, phyllite and limestone seems to be an important prospecting indicator.

含钠长石硅质岩、千枚岩、灰岩组合找评价重要标志。

The zimenqiao Formation silicolites of Lower Carboniferous is the country rock of Changkeng Au-Ag deposit.

下石门桥组硅质岩粤西长坑金银直接容岩石。