The pyrite type Cu-Au-deposit is located in the ophiolite suite of the Precambrian Bikou Group.

碧口群黄铁矿型铜金矿床产于前震旦纪古蛇绿岩套中。矿体受一定层位控制，分段集中，成群分布；

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They point out the age of ophiolite suite by paleontological method and the emplacement age of ophiolitic melange.

提出当前用古生物法确定蛇绿岩套形成时代及蛇绿混杂岩定位时代应注意的问题。

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

摘要该蛇绿岩带的岩体由地幔橄榄岩组成，主要岩石类型是方辉橄榄岩和纯橄榄岩，缺少典型蛇绿岩剖面中的洋壳单元。

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