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| 辽西凌源地区水泉沟组辉石安山岩锆石SHRIMP U-Pb定年及其意义 | |
| 引用本文： | 胡健民,赵越,刘晓文,石玉若,赵国春.辽西凌源地区水泉沟组辉石安山岩锆石SHRIMP U-Pb定年及其意义[J].地质通报,2005,24(2):104-109. |
| 作者姓名： | 胡健民 赵越 刘晓文 石玉若 赵国春 |
| 作者单位： | 1. 中国地质科学院地质力学研究所,北京,100081 2. 国土资源部实物地质资料中心,河北,三河,燕郊,065201 3. 北京离子探针中心,北京,100037 4. 中国地质科学院地质力学研究所,北京,100081;中国地质大学地球科学与资源学院,北京,100083 |
| 基金项目： | 国家自然科学基金重点项目(40132020)、国家自然科学基金面上项目(40272097)资助. |
| 摘 要： | 水泉沟组分布在辽西凌源地区,不整合覆盖早中生代第一期推覆构造系统,其上又被稍晚形成的燕山早期推覆构造所掩覆.水泉沟组辉石安山岩锆石SHRIMP U-Pb测年结果为230.4Ma±3.1Ma.测试结果表明①辽西水泉沟组时代为晚三叠世;②燕山地区晚三叠世安山质火山岩很可能代表一种拉张的构造环境;③燕山地区早中生代早期挤压逆冲构造发育于早中三叠世,即燕山地区印支阶段早期为挤压逆冲,晚期为伸展构造. |
| 关 键 词： | 辽西 晚三叠世 水泉沟组 锆石SHRIMP U—Pb定年 |
| 文章编号： | 1671-2552(2005)02-0104-06 |
| 修稿时间： | 2005年1月30日 |
SHRIMP U-Pb dating for zircons from pyroxene andesite of Shuiquangou Formation in western Liaoning province and its tectonic significance |
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| HU Jianmin,ZHAO Yue,LIU Xiaowen,SHI Yuruo,ZHAO Guochun,. Institute of Geomechanics,Chinese Academy of Geological Sciences,Beijing,Chin,. Center of Geological Material Dat,Ministry of Land and Resources,Yanjiao,Sanhe,Hebei,Chin,. SHRIMP Center of Beijing,Beijing,Chin,. School of Earth Science and Resources,China University of Geosciences,Beijing,China.SHRIMP U-Pb dating for zircons from pyroxene andesite of Shuiquangou Formation in western Liaoning province and its tectonic significance[J].Geologcal Bulletin OF China,2005,24(2):104-109. | |
| Authors: | HU Jianmin ZHAO Yue LIU Xiaowen SHI Yuruo ZHAO Guochun Institute of Geomechanics Chinese Academy of Geological Sciences Beijing Chin Center of Geological Material Dat Ministry of Land and Resources Yanjiao Sanhe Hebei Chin SHRIMP Center of Beijing Beijing Chin School of Earth Science and Resources China University of Geosciences Beijing China |
| Institution: | HU Jianmin,ZHAO Yue,LIU Xiaowen,SHI Yuruo,ZHAO Guochun,. Institute of Geomechanics,Chinese Academy of Geological Sciences,Beijing,Chin,. Center of Geological Material Dat,Ministry of Land and Resources,Yanjiao,Sanhe,Hebei,Chin,. SHRIMP Center of Beijing,Beijing,Chin,. School of Earth Science and Resources,China University of Geosciences,Beijing,China |
| Abstract: | |
| Keywords: | Western Liaoning province Late Triassic Shuiquangou Formation SHRIMP U-Pb dating for zircons |
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