Jaspilite and altered phyllite are the main ore types.
主要矿石类型有含铁碧玉岩型和蚀变千枚岩型。
The hostrock of the ore deposit is phyllite and slate of Middle Devonian.
矿床主岩为中泥盆统干枚岩，板岩。
The rock mass consists of fresh sericite quartz phyllite or fresh leptynite.
岩体为新鲜绢云母石英千枚岩或新鲜变粒岩。
The host rock is a tectonic breccia, the proximal enclosing rock is C phyllite.
近矿围岩为含碳千枚岩，赋矿岩石为构造角砾岩。
This landslide is mainly composed of Sinian limestone and Cambrian carbon slate and phyllite.
该滑坡体主要由震旦系灰岩和寒武系炭质板岩, 千枚岩构成。
Carbonaceous phyllite, limestone and hornblendebiotite schist is the main sourcebed for the formation of the deposits.
千枚岩，灰岩，角闪云母片岩是成矿的主要矿源层。
So that designations and construction method of chamber blasting of phyllite are introduced, it obtained good blasting effect in this paper.
硐室爆破得设计和施工方法，取得了较好得爆破效果。
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