biotite gneiss

常见例句

The types of mineralized rocks are fine grained biotite gneiss and silicalites.
矿化类型为含金黑云变粒岩型、含金硅质岩型。
There is a uncomplete migmatite zone in the north of rock mass and there are lots of relic body of migmatization biotite plagioclase - gneiss around it.
岩体北侧发育不完整的混合岩带。在岩体的周围常见有混合岩化的黑云斜长片麻岩残留体。
Shushui rock group remains in Xiyao gneiss, and made up of amphibolite, magnetite quartzite, biotite granulite, calc-schist and dolomitic marble.
涑水岩群残存于西姚片麻岩之中，是由斜长角闪岩、磁铁石英岩、黑云变粒岩、钙质片岩和白云质大理岩组成。