| 释义 |
〔peridotite〕Any of a group of igneous rocks composed mainly of olivine and various pyroxenes and having a granitelike texture.橄榄岩:含有大量橄榄石和各种辉石并有花岗岩状质地的岩石〔kimberlite〕A rock formation in South Africa containing peridotite, in which diamonds are formed.金伯利岩:南非的一种包含橄榄岩的岩层,岩层中形成了钻石 |