地球化学组成（chemical composition of the Earth）是指固体地球作为一个整体的平均化学组成。系由地壳、地幔和地核的化学组成按三者的质量加权获得。地球质量的95％以上由Fe、O、Si、Mg、Ni、S、Ca和Al等8种元素组成。
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 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.
用地球化学方法进行测井解释不受储层岩石组成及储层流体物理性质的影响。
Log interpretation with geochemistry technique is not affected by reservoir rock composition and formation fluid properties.
主要论述深部地幔的组成、地球化学及深部流体研究的进展。
This paper deals with the advance in study of the composition, geochemistry and deep seated fluids of lower mantle.
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