库车坳陷西部地表典型盐构造样式及变形特征

›› 2013, Vol. 34 ›› Issue (2): 1-1.

• 论文 •

库车坳陷西部地表典型盐构造样式及变形特征

程小岛1a,1b，李江海1a,1b，程海艳2，邓罡3

(1.北京大学 a.地球与空间科学学院;b.石油与天然气研究中心,北京 100871;2.中国地质科学院地质力学研究所,北京 100081;3.中国地震局地质研究所,北京 100029)

出版日期:2019-01-01 发布日期:1905-07-10

Typical Surface Salt Structure and Deformation Characteristics in Western Kuqa Depression, Tarim Basin

CHENG Xiaodao1a,1b, LI Jianghai1a,1b, CHENG Haiyan2, DENG Gang3

(1. Peking University, a. School of Earth and Space Sciences, b. Research Center of Oil and Gas, Beijing 100871, China; 2. Institute o Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China; 3. Institute of Geology, China Earthquake Administration, Beijing 100029, China)

Online:2019-01-01 Published:1905-07-10

摘要/Abstract

摘要： 库车坳陷西部地表出露古近系膏盐岩，通过地表野外考察和遥感卫星影像解译，对地表盐席、盐墙和盐筏进行整体构造样式、变形结构特征及运动规律等分析，认为盐席与盐筏的变形和运动方向主要受重力滑脱作用控制，体形态受构造背景的影响，盐墙为受差异负载作用而底劈至地表形成。同时气候和地形也是膏盐岩在迁移过程中发生塑性变形、发育大量履带式褶皱和盐内褶皱的关键因素。

Abstract: Gypsum salt rocks of the Paleogene occur in the surface outcrops of western Kuqa depression in Tarim basin. This article presents the overall salt structure, deformation and migration characteristics of the salt sheet, salt wall and salt raft by field trip and remote sensing satellite image interpretation. The deformation and migration direction of salt sheet are mainly controlled by gravitational detachment, and its shape is affected by the structural setting. The salt raft is resulted from the gravitational detachment also, and the salt wall is formed by difference loading effect which creates diapir into the surface. At the same time, the weather and topography play an important role in the migration of the gypsum salt rocks, causing the plastic deformation, crawling folds and inner salt folds

中图分类号:

TE111.2

程小岛1a,1b，李江海1a,1b，程海艳2，邓罡3. 库车坳陷西部地表典型盐构造样式及变形特征[J]. , 2013, 34(2): 1-1.

CHENG Xiaodao1a,1b, LI Jianghai1a,1b, CHENG Haiyan2, DENG Gang3. Typical Surface Salt Structure and Deformation Characteristics in Western Kuqa Depression, Tarim Basin[J]. , 2013, 34(2): 1-1.

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库车坳陷西部地表典型盐构造样式及变形特征

Typical Surface Salt Structure and Deformation Characteristics in Western Kuqa Depression, Tarim Basin

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