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主要发育晚古生代—中生代的地层，尤其是三叠系广泛分布。 The strata are mainly late Paleozoic-Mesozoic with widely distribution of Triassic strata. | ||
塔河油田三叠系、石炭系井眼失稳问题一直是该油田勘探与开发的技术难点。 The problem of borehole instability in the Triassic system and the Carboniferous system has been kept as a major difficulty in the exploration and development of this oilfield. | ||
分析了靖安油田上三叠系延长统浊沸石的形成条件及形成机理。 Formation factors and mechanism of the laumontite in upper Triassic Yanchang group of Jingan oilfield are analyzed. | ||
研究结果表明，研究区石炭系、三叠系和侏罗系油源岩都是成熟的油源岩。 The results of this study indicate that the Carboniferous, the Triassic, and the Jurassic petroleum source rocks all belong to mature phase of liquid petroleum generation. | ||
灰岩、白云岩在华北主要产于下古生界，在华南主要产于泥盆系-三叠系。 Limestone and dolomite in North Chinamainly occur in the Lower Paleozoic and those in South China in the Devonian - Triassic. | ||
其外来系统主要由泥盆系、二叠系、三叠系及元古代岩体组成，构成飞来峰群。 The Allochthon consists mainly of Devonian, Permian, Triassic and Protero-zoic rocks which constitutes a klippe group. | ||
出露地层为震旦系、泥盆系、二叠系、三叠系以及侵入的花岗岩脉和花岗伟晶岩脉。 Emergence stratums are of Sinian, Devonian, Permian, Trias and intrusive granite dike and coarse - grained granite dike. | ||
矿体赋存于三叠系巴塘群上部碎屑岩组上岩性段地层中，严格受地层和岩性控制。 Ore bodies lie in the clastic rock of the upper Batang Group of Triassic, strictly controlled by the stratigraphy and lithology. | ||
川西北的马脑壳金矿床为一赋存于三叠系碎屑岩、碳酸盐岩系的大型微细浸染型金矿床。 Manaoke gold deposit situated in Northwestern Sichuan is hosted in mid Triassic detrital and carbonate rocks. | ||
重建的地层层序和沉积地质特征显示巴颜喀拉盆地主体三叠系复理石沉积是周缘前陆盆地。 The stratigraphic sequences and sedimentological characteristics indicate that the main body of Bayan Har Basin is composed of Triassic flysch sediments deposited in a foreland basin during Triassic. | ||
