ultramafics是ultramafic的复数

ultramafic

美

英

网络超基性；超镁质；超基性岩

复数：ultramafics

英英

网络释义

adj.	1. describes a dark igneous rock, over 90 percent of whose content consists of ferromagnesian minerals, including olivine and pyroxenes
n.	1. a rock of ultramafic composition