本文着重讨论硬玉钙霞正长岩的岩石学、矿物学、岩石化学、REE地球化学、时代及岩石成因。
This paper stresses the study on the petrology, mineralogy, petrochemistry, REE geochemistry, age and petrogenesis of the jadeite-cancrinite syenite.
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.
通过矿物学、岩石学和地球化学研究，对大同煤系高岭岩矿物组成、化学组成，及其变化规律和成因进行了系统探讨。
According to research of mineralogy, petrology and geochemistry, we discuss kaolin mineral composition, chemistry composition, and change rules and origin of Datong coal series.
沉积盆地构造热演化模拟建立在盆地成因的地质地球物理模型基础之上，其中包括运动学模型、运动学—流变学模型和动力学模型。
Tectono thermal modeling is based on the geological geophysical models of basin formation, which include kinematic model, kinematic rheological model and dynamic model.
本文选择塔中地区塔中1井下奥陶统藻纹层白云岩与夹层竹叶状白云岩作为对象，应用岩石学与地球化学方法对其成因问题进行了研究。
In this paper, the straticulate dolostone and spatulate dolostone in Lower Ordovician strata of Well Tazhong 1 were studied using petrologic and geochemical methods.
本文系统报道了它的地质学、岩相学、岩石化学和地球化学的特征，讨论了它的成因类型归属和所代表的大地构造环境问题。这些资料表明；
The data of geology, Petrology, trace and rare earth element geochemistry of this rock is reported and used to discuss on petrogenic type and tectonic implication.
本文系统报道了它的地质学、岩相学、岩石化学和地球化学的特征，讨论了它的成因类型归属和所代表的大地构造环境问题。这些资料表明；
The data of geology, Petrology, trace and rare earth element geochemistry of this rock is reported and used to discuss on petrogenic type and tectonic implication.
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