[1]汪伟,尹宏伟,周鹏,等.塔里木盆地含盐褶皱冲断带变形特征与变形机制[J].新疆石油地质,2019,(01):68.[doi:10.7657/XJPG20190110]
 WANG Wei,YIN Hongwei,ZHOU Peng,et al.Deformation Characteristics and Mechanism of Salt-Related Fold Thrust Belt in Tarim Basin[J].Xinjiang Petroleum Geology,2019,(01):68.[doi:10.7657/XJPG20190110]
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塔里木盆地含盐褶皱冲断带变形特征与变形机制()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2019年01期
页码:
68
栏目:
出版日期:
2019-02-01

文章信息/Info

Title:
Deformation Characteristics and Mechanism of Salt-Related Fold Thrust Belt in Tarim Basin
文章编号:
1001-3873(2019)01-0068-06
作者:
汪伟1尹宏伟1周鹏2周露2王斌2贾东1
(1. 南京大学 地球科学与工程学院,南京 210046;2.中国石油 塔里木油田分公司 勘探开发研究院,新疆 库尔勒 841000)
Author(s):
WANG Wei1 YIN Hongwei1 ZHOU Peng2 ZHOU Lu2 WANG Bin2 JIA Dong1
(1.School of Earth Sciences and Engineering, Nanjing University, Nanjing, Jiangsu 210046, China; 2.Research Institute of Exploration and Development, Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China)
关键词:
塔里木盆地含盐褶皱冲断带滑脱构造多层滑脱盐构造
Keywords:
Tarim basin salt-related fold thrust belt detachment structure multi-detachment system salt structure
分类号:
TE111.2
DOI:
10.7657/XJPG20190110
文献标志码:
A
摘要:
塔里木盆地发育大量含盐褶皱冲断构造,采用对比研究的方法,通过分析塔里木盆地库车坳陷、塘古坳陷和西南坳陷不同滑脱层组合形成的含盐褶皱冲断带规模和构造样式,讨论含盐褶皱冲断带的演化特征和形成机制。对比结果表明,区域滑脱层的深度、厚度和流动性对褶皱冲断带规模及变形样式具有重要的影响。褶皱冲断带的规模和滑脱层强弱成反比,与上覆地层的厚度成反比;在具有强流动性的厚层膏盐层影响下,膏盐层上下地层发生明显解耦变形,上下地层变形呈现明显的不一致性;受流动性较弱的薄层膏盐层影响,膏盐层上下地层可以呈现一定的分层变形特征,但上下层构造变形仍具有较明显的相关性;基于含盐构造变形特征与变形机制分析,认为西南坳陷玛扎塔格构造带的主控因素不是中寒武统膏盐层,而是中寒武统之下的先存构造。
Abstract:
There are a large number of salt-related fold thrust structures in Tarim basin. Using a comparative analysis method, the paper analyzes the scales and structural styles of the salt-related fold thrust belts of various detachment layer combinations in Kuqa depression, Tanggu depression and Southwest depression, and discusses the evolution characteristics and forming mechanism of the salt-related fold thrust belts. The comparison result shows that the depth, thickness and fluidity of the regional detachment layer have significant influences on the scale and deformation style of the fold thrust belt. The scale of the fold thrust belt is inversely proportional to the intensity of the detachment layer and to the thickness of overlying stratum. Influenced by the thick gypsum layer with strong fluidity, the overlying and underlying strata of the gypsum layer show obvious decoupling deformation, and their deformations are different. Influenced by the thin gypsum layer with weak fluidity, the overlying and underlying strata of the gypsum layer have a certain degree of deformation, but there is an obvious correlation between the deformations of the overlying and underlying strata. The analyses on the deformation characteristics and mechanism of the salt-related structure show that the Mazhatage structural belt in the Southwest depression is controlled by the pre-existing structure under the Middle Cambrian strata, rather than controlled by the Middle Cambrian gypsum layer

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更新日期/Last Update: 2019-01-22