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

含石硅质、千枚、灰组合找矿评的重要标志。

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

下石炭统梓门桥组硅质西坑金银矿床的直接容矿石。