ultramafic rock

• 超铁镁岩,超镁铁岩,超基性岩

ultramafic rock的用法和样例：

例句

1. Jianchaling gold deposit is closed related to the Jianchaling ultrabasic rock mass.
   产出部位与超基性岩有关，属构造蚀变岩型金矿床。
2. Ore produced in the ultra-basic rock, mainly by the iron content of tremolite mineral composition.
   矿体产于超基性岩体中，主要由含铁的透闪石矿物组成。