The ophiolite is composed of metamorphic peridotite, accumulative gabbro and the upper-seated basic volcanic rock series.
蛇绿岩由变质橄榄岩、堆积辉长岩和上部层位基性火山岩系构成。
The REE geochemical characteristics indicate that the basic volcanic rock is the source bed. The prospecting targets are pointed out.
通过稀土元素特征的分析，认为基性火山岩为该矿的矿源层，并指出了找矿远景地段。
On Heilongjiang basin volcanic rock mainly for basic, acidic lava, pyroclastic rocks, may divide 5 volcanic rock belts.
上黑龙江盆地火山岩主要为基性、中酸性的熔岩、火山碎屑岩，可划分5个火山岩带。
Volcanic rock reservoir involves basic and acidic volcanic rocks.
火山岩储集层有基性火山岩也有酸性火山岩。
Volcanic rock reservoir involves basic and acidic volcanic rocks.
火山岩储集层有基性火山岩也有酸性火山岩。
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