The host rock conformably overlies a band of siliceous chertybrecia.

含主岩整合地上覆于硅质燧石角砾石之上。

The main kinds of rocks include carbonate rocks, tuffite, siliceous rocks and quartz sand-stone.

主要岩石类型包括碳酸盐岩、沈岩、矽质岩和石英砂岩。