The first stage was mixing of gabbroic and granitic magmas, which formed dioritic rock;
第一期为辉长质与花岗质岩浆混合，并生成闪长质岩石；
In the Cathodoluminescence (cl) images the zircons extracted from the dioritic gneiss show good crystal morphology and clear oscillatory zoning, as is the case of magmatic zircon.
在阴极发光图像中，片麻岩中的锆石具有较好的晶形，并显示出清晰的岩浆锆石韵律环带结构。
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。
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