蛇绿岩

The Ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical Ophiolite suite.

摘要该绿岩带的岩体由地幔橄榄岩组成，主要岩石类是方辉橄榄岩和纯橄榄岩，缺少典绿岩剖面中的洋壳单。

This is the first report on the ophiolite suite, which consists of metasediment, meta-basalt, metadiabase, metagabbro, metapyroxene and metasilicith, in the Wenjiashi area, northeastern Hunan.

在湘东北文家市首次绿岩套残片,它由变沉积岩、变玄武岩、变辉绿岩、变辉长岩、变辉石岩类及变硅质岩组成。