ferruginous

Kapeng syderolite deposit is large,occurred in purple clayey ferruginous mudstone and grey-green clayey shale of Lower Silurian series.

卡棚大型紫砂陶土矿主要志留系下统紫红色粘土质含铁泥岩和灰色粘土质页岩中,分上下2个含矿岩系,4个矿。