mafic dyke swarm

• 基性岩墙群

mafic dyke swarm的用法和样例：

例句

1. Wenquan granite is composed of two end-member rocks, one is the host rock of the acid end-member, and the other is the microgranular mafic enclave.
   摘要温泉花岗岩体由酸性端元的寄主岩石和暗色微细粒镁铁质包体群及基性岩墙群组成。