| 中国东部晚侏罗-早白垩纪盆地火山岩系的确认及成盆构造背景分析 |
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| 引用本文： | 杜旭东,漆家福,张一伟,陆克政. 中国东部晚侏罗-早白垩纪盆地火山岩系的确认及成盆构造背景分析[J]. 中国石油大学学报(自然科学版), 2000, 24(1) |
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| 作者姓名： | 杜旭东 漆家福 张一伟 陆克政 |
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| 作者单位： | 石油大学地球科学系,北京102200 |
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| 基金项目： | 中国石油天然气集团公司“九五”攻关项目!(97020600103) |
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| 摘 要： | 根据前人的研究成果 ,对中国东部晚侏罗早白垩纪 (J3 K1)盆地火山岩的化学成分等特征进行了研究 ,确认出中国东部晚侏罗早白垩纪 (J3 K1)盆地火山岩系是橄榄安粗岩系 ,且与其东部的火山岩系组成单极性系列。这是中生代滨太平洋板块俯冲并挤压中国大陆板块的结果 ,进而控制的盆地 (J3 K1)是在受总体挤压背景下形成的。
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| 关 键 词： | 中国东部 晚侏罗-早白垩世 盆地 火山岩 橄榄安粗岩系 成盆背景 |
CONFIRMATION OF VOCANIC SYSTEM OF EASTERN CHINA IN LATE JURASSIC AND EARLY CRETACEOUS PERIODS AND DISCUSSION OF BASIN ENVIRONMENT |
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| Du Xu-dong,Qi Jia-fu,Zhang Yi-wei,Lu Ke-zheng. CONFIRMATION OF VOCANIC SYSTEM OF EASTERN CHINA IN LATE JURASSIC AND EARLY CRETACEOUS PERIODS AND DISCUSSION OF BASIN ENVIRONMENT[J]. Journal of China University of Petroleum (Edition of Natural Sciences), 2000, 24(1) |
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| Authors: | Du Xu-dong Qi Jia-fu Zhang Yi-wei Lu Ke-zheng |
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| Abstract: | The chemistry of volcanic rock of the late Jurassic and early Cretaceous periods(J-3|K-1) in the eastern China is analyzed on the basis of precious data. The volcanic rock of these periods is determined to be the shoshonite series. They possess the same characteristics with the volcanic rocks in Bohai Bay, Songliao and Yangtze areas. The volcanic rocks series is of single polarity characterized by subduction orogeny. The formation of the shoshonite series is resulted from the combining action of two tectonic dynamic systems under the dominantly compressive stress field, which controlled the basin of later Jurassic and Cretaceous periods. |
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| Keywords: | astern China later Jurassic period early Cretaceous period basin volcanic rock shoshonite series basin environment |
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