塔里木盆地石炭系与下伏地层构造运动面分析

李红南; 王毅

doi:10.11781/sysydz200304343

塔里木盆地石炭系与下伏地层构造运动面分析

doi: 10.11781/sysydz200304343

李红南,
王毅

石油大学, 地球资源与信息学院, 山东, 东营, 257061

基金项目: 国家"九五"科技攻关项目(96-111-01-05).

详细信息

作者简介:
李红南(1972- ),女(朝鲜族),吉林梅河口人,讲师,主要从事油气地质研究和教学工作.

中图分类号: TE121.2
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- 被引次数: 0
出版历程
- 收稿日期: 2003-03-08
- 修回日期: 2003-06-03
- 刊出日期: 2003-07-25

CHARACTERISTICS OF THE TECTONIC MOVEMENT SURFACE BETWEEN THE CARBONIFEROUS AND THE UNDERLYING SEQUENCES IN THE TARIM BASIN

Institute of Earths Resources and Information, University of Petroleum, Dongying, Shandong 257061, China

摘要

摘要: 石炭系与下伏地层间不整合是海西早期构造运动形成的构造运动面,反映了该期构造运动的性质、强度和影响范围,代表塔里木盆地一次重要的构造反转事件。利用地震剖面、裂变径迹及镜质体反射率资料恢复的地层剥蚀量表明,剥蚀厚度等值线走向近东西,与盆地挤压反转构造的走向基本一致。塔中和塔北地区遭受强烈的剥蚀,最大剥蚀厚度达1200余米。从其不整合的分布特征来看,这次构造运动亦表现出南北强中部(北部坳陷)弱的特点,在时间上表现出构造抬升自南而北和自西向东的迁移特点。
- 构造运动面 /
- 剥蚀量 /
- 石炭系 /
- 塔里木盆地
Abstract: The unconformity between Carboniferous and the underling sequences was a tectonic movement surface caused by Early Hercynian tectonic movement. It revealed the property, intensity and influenced scope of the tectonic movement. And it also represented a very important tectonic reversal event in the Tarim Basin. Using seismic section, fission track of apatite samples and vitrinite reflectance(R_o), the denudation thickness of the basin was restored. The results showed that the isopach strike of denudation thickness is nearly from east to west and it is similar to the direction of compressionalreversal structure of the basin. In the middle and north part of the basin the denudation was very intense, and the maximum denudation thickness could reach to 1 200 m. According to the distribution characteristics of the unconformity, the intensity of the tectonic movement was strong in the north and south, but was weak in the middle of the basin. Meanwhile it showed migration of tectonic uplift from south to north and from west to east in time succession.
- tectonic movement surface /
- denudation thickness /
- the Carboniferous /
- the Tarim Basin

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参考文献(9)

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