本文在讨论白垩纪火山杂岩岩石学和岩石化学特征的基础上，对火山杂岩的构造环境和成因机制作了分析。
This paper analyses the tectonic environment and genetic mechanism for volcanic complex after discussing the petrology and petrochemistry characteristics of Cretaceous volcanic complex.
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.
这为探讨这些花岗岩的成因提供了岩石学依据，同时也暗示晚古生代佳木斯—松嫩古陆可能发生过地壳的垂向生长。
This provides petrographic evidence for the study of the genesis of the granites and also implies that vertical crustal growth probably took place in the Late Paleozoic Jiamusi-Songnen craton.
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.
上述三种形态的微型钟乳石的岩石学特征也表明其是典型的淡水成因形成。
Three shapes of the micro-stalactite above mentioned are typical fresh-water sedimentary in features of petrology.
通过对延长统长8段厚层砂岩沉积岩石学和层序地层学研究，将其分为两类，一类是由多期单一成因的分流河道砂岩叠加构成；
The thick sandstones in Chang 8 oil Formation of Yanchang group may be divided into two types by the research on sedimentary petrology and sequence stratigraphy.
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.
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.
利用X衍射全岩分析方法、粘土矿物定量分析方法和薄片鉴定等方法研究了城华地区延8-延1 0储层岩石学特征和孔隙成因类型。
The petrologic characteristic and the pore types of Y8~Y10 reservoir are studied by X ray diffraction method, the quantitative mineral clay analysis method and thin section analysis method.
利用X衍射全岩分析方法、粘土矿物定量分析方法和薄片鉴定等方法研究了城华地区延8 -延1 0储层岩石学特征和孔隙成因类型。
The petrologic characteristic and the pore types of Y8 ~ Y10 reservoir are studied by X ray diffraction method, the quantitative mineral clay analysis method and thin section analysis method.
利用X衍射全岩分析方法、粘土矿物定量分析方法和薄片鉴定等方法研究了城华地区延8 -延1 0储层岩石学特征和孔隙成因类型。
The petrologic characteristic and the pore types of Y8 ~ Y10 reservoir are studied by X ray diffraction method, the quantitative mineral clay analysis method and thin section analysis method.
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