通过基性的辉长岩、玄武岩的矿物学、岩石学和地球化学研究得出，辉长岩表现出与典型蛇绿岩套中的堆晶辉长岩的特征相一致；
Through the research of mineralogy, petrology and geochemistry of gabbro and basalt, the authors concluded that characteristics of gabbro are similar to those of cumulate structural gabbro.
本文详细研究了东秦岭造山带南部宁陕花岗岩体群的地质特征、岩石学、矿物学和地球化学特征。
The geological characteristics, petrology, mineralogy and geochemistry of Ningshan granitic pluton groups in the south of east Qinling Orogen are dealt with in this paper.
岩石学、岩石化学、地球化学特征反映该岩体属后碰撞强过铝花岗岩。
Its petrology, petrochemistry and geochemistry feature show the intrusive is post - collision and strongly - peraluminous granite.
岩石学和地球化学特征揭示包体寄主岩为碧玄岩，岩浆没有经历明显分异和同化混杂作用。
Their petrological and geochemical characters suggest that the host rock of the xenoliths is basanite, and the magma has not experienced obvious differentiation and assimilatory contamination.
根据硅岩的岩石学及地球化学特征，对其成因进行了系统研究。
The origins of the siliceous rocks have been researched systematically based on their lithological and geochemical characteristics.
据火山岩的地质、岩石学和地球化学特征，将其确定为陆内弧火山岩。
According to their geological, Petrologicaland geochemical characteristics, they are believed to be intracontinental arc-volcanic rocks.
根据钻井及大量的实验测试等资料，研究了侏罗系煤系烃源岩的发育特征及其有机地球化学、有机岩石学特征，表明其有机质丰度较高，达到中等-好级别； 有机质类型以Ⅲ型为主、Ⅱ型为辅；
The hydrocarbon source rocks of coal measures developed in this basin were studied on the basis of drill cores, which involved in many fields such as geology, organic geochemistry and petrology.
青阳岩体微粒包体的岩石学、矿物学、地球化学等方面的特征与寄主岩石既有相似性又有显著的差异。
Micrograined inclusions in Qingyang rock body are both similar to and obviously different from host rocks in such aspects as petrology, mineralogy and geochemistry.
青阳岩体微粒包体的岩石学、矿物学、地球化学等方面的特征与寄主岩石既有相似性又有显著的差异。
Micrograined inclusions in Qingyang rock body are both similar to and obviously different from host rocks in such aspects as petrology, mineralogy and geochemistry.
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