The SHRIMP age data and geochemical results of the Palaeoarchaean dioritic gneiss and fine-grained trondhjemite of the ancient Dongshan rock belt from the Anshan area are reported in this paper.
本文报道了该区东山古老岩石带古太古代闪长质片麻岩和细粒奥长花岗岩的SHRIMP测年结果和地球化学组成。
The geochemical data shows that the rock mass is similar to post-collision type granite.
岩石地球化学资料表明，该岩体与碰撞后型花岗岩相似。
The distribution of effective hydrocarbon source rock is determined by combining geochemical data and logging data.
综合地球化学和测并资料确定了中上奥陶统有效烃源岩的大致分布范围。
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