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

›› 2013, Vol. 34 ›› Issue (2): 1-1.

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

Abstract

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

CLC Number:

TE111.2

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

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