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By using the data of petrology, isotopic chronology and well-testing, the lower tertiary diabase invasion age and times, and distribution limits in Luojia area are divided, and the reservoir behavior and reservoir forming feature are studied.

利用岩石学、同位素年代学、试井等资料,对罗家地区下第三系辉绿岩的侵入期次、分布范围进行了划分,并对其储集性能、成藏特征等进行了研究。

After many studies on geochronology, geochemistry and petrology of the eclogite from Bixiling have been done, its formation and metamorphic history are well known now.

根据大量年代学、地球化学和岩石学等方面的研究,前人对碧溪岭榴辉岩的形成及变质历史有了较明确的认识,但这些研究对超高压变质前后过程中元素和同位素的变化涉及较少。

Timing of petroleum emplacement is one of the important scientific problems in petroleum geology.

油气成藏年龄是石油地质学和同位素年代学共同面临的科学难题之一。

According to theSHRIMP zircon U-Pb age study of gabbro in the Qipanyan pluton, it has a age of132.90±0.66Ma.

通过对棋盘岩岩体中辉长岩的锆石年代学研究,棋盘岩辉长岩体的形成年龄为132.90±0.66Ma。

Under the theory of regional metallogenic system, this paper, focusing on Gaize district in Tibet, conducted carefully research in geological structure, magma activity, geophysical anomaly, geochemical anomaly, gold-bearing geological bodies and gold occurrence state, association of gold with other related elements, characteristics of typical deposits, metallogenic age, metallogenic process, post-ore-forming destruction of deposits in Gaize district based on methods of geology, petrology, economic geology, genetic mineralogy, isotopic chronology, geophysical and geochemical prospecting, and remote sensing.

本论文以藏北改则地区为重点研究区,以区域成矿系统理论为指导,采用地质学、岩石学、矿床学、成因矿物学、同位素年代学以及物、化、遥相结合的方法,对改则地区的地质构造、岩浆活动、物化遥异常、各地质体的含金性及金的赋存状态、金与相关元素的组合特征、典型矿床特征、成矿时代、成矿过程及矿床形成后的破坏作用等进行了较详细的研究。

Paleomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China

中国科学院地质与地球物理研究所古地磁与地质年代学实验室,北京〓100029

In this investigation, combined studies of petrography, mineralogy and geochronology were conducted on this deposit.

因此,对该区金红石矿的区域地质、矿物特征、年代学及应用前景进行研究,对于了解该金红石矿的形成历史、演化等有重要的理论意义,对于指导该矿的开发与利用具有重要的现实意义。

Key Laboratory of Isotope Geochronology and Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academiy of Sciences, Guangzhou 510640, China

中国科学院广州地球化学研究所同位素年代学和地球化学重点实验室,广东广州 510640

This paper studied the geochronology of sandstone-type uranium deposit in the Dongsheng area of Ordos Basin.

文章研究了鄂尔多斯盆地东胜地区砂岩型铀矿成矿年代学特征。

Methods The objectives of study with zircon SHRIMP U-Pb geochronology are constraints of its formation age.

利用锆石SHRIMP U-Pb年代学对其形成时代进行约束。

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