dunite

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

摘该蛇绿带体由地幔榄组成，主类型是方辉榄和纯榄，缺少典型蛇绿剖洋壳单元。