| 冀北-辽西地区侏罗纪土城子组的时代归属 |
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| 引用本文： | 郑月娟,陈树旺,丁秋红,李永飞,张健,王杰,李晓海,苏飞,郜小勇.冀北-辽西地区侏罗纪土城子组的时代归属[J].地质与资源,2010,19(4):292-295,305. |
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| 作者姓名： | 郑月娟 陈树旺 丁秋红 李永飞 张健 王杰 李晓海 苏飞 郜小勇 |
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| 作者单位： | 沈阳地质矿产研究所, 辽宁 沈阳 110034 |
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| 基金项目： | 松辽盆地及其外围地层-构造格架与油气资源前景调查，古亚洲洋构造体制与滨太平洋构造体制叠加转变综合调查和研究项目 |
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| 摘 要： | 土城子组的时代归属存有分歧.目前主要有5种观点:①中侏罗世晚期—晚侏罗世早期;②晚侏罗世早期;③晚侏罗世;④晚侏罗世—早白垩世;⑤早白垩世.根据侏罗纪年代地层学的研究现状,综合生物地层、磁性地层及同位素年代学的资料,认为土城子组的时代应为中侏罗世晚期—晚侏罗世早期(Callovian-Oxfordian.)土城子组的同位素年龄在147～136 Ma之间.
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| 关 键 词： | 冀北 辽西 土城子组 同位素测年 中侏罗世晚期-晚侏罗世早期 |
| 收稿时间： | 2009-08-05 |
CHRONOSTRATIGRAPHY OF THE JURASSIC TUCHENGZI FORMATION IN NORTHERN HEBEI AND WESTERN LIAONING,CHINA |
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| ZHENG Yue-juan,CHEN Shu-wang,DING Qiu-hong,LI Yong-fei,ZHANG Jian,WANG Jie,LI Xiao-hai,SU Fei,GAO Xiao-yong.CHRONOSTRATIGRAPHY OF THE JURASSIC TUCHENGZI FORMATION IN NORTHERN HEBEI AND WESTERN LIAONING,CHINA[J].Geology and Resources,2010,19(4):292-295,305. |
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| Authors: | ZHENG Yue-juan CHEN Shu-wang DING Qiu-hong LI Yong-fei ZHANG Jian WANG Jie LI Xiao-hai SU Fei GAO Xiao-yong |
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| Institution: | Shenyang Institute of Geology and Mineral Resources, Shenyang 110034, China |
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| Abstract: | The age of the Tuchengzi formation in Northern Hebei and Western Liaoning provinces has long been disputed.There are mainly five viewpoints： 1） late Middle Jurassic to early Late Jurassic;2） early Late Jurassic;3） Late Jurassic;4） Late Jurassic to Early Cretaceous;and 5） Early Cretaceous.Based on biostratigraphy,magnetostratigraphy,isotopic dating as well as current situation of the Jurassic chronostratigraphic studies,the age of the volcanic rocks of Tuchengzi formation is dated 147-136 Ma,i.e.the late of Middle Jurassic to the early of Late Jurassic（Callovian-Oxfordian）. |
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| Keywords: | Northern Hebei Western Liaoning Tuchengzi formation isotopic age late Middle Jurassic-early Late Jurassic |
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