准噶尔盆地南缘喜马拉雅运动期构造应力场模拟

新疆石油地质 ›› 2005, Vol. 26 ›› Issue (6): 640-643.

准噶尔盆地南缘喜马拉雅运动期构造应力场模拟

周锋¹, 梅廉夫¹, 刘麟², 汤济广¹, 严淑澜², 骆吉春²

1.中国地质大学,武汉 430074;
2.中国石化江汉油田分公司勘探开发研究院,湖北潜江 433124

收稿日期:2005-02-01 出版日期:2005-12-01 发布日期:2020-11-23
作者简介:周锋(1981-),男,上海人,在读硕士研究生,石油地质,(Tel)027-87484424 (E-mail)fengzhoucug@163.com.

Numerical Simulation of Tectonic Stress Field during Himalayan Movement in Southern Margin of Junggar Basin

ZHOU Feng¹, MEI Lian-fu¹, LIU Lin², TANG Ji-guang¹, YAN Shu-lan², LUO Ji-chun²

1. China University of Geosciences, Wuhan, Hubei 430074, China;
2. Research Institute of Exploration and Development, Jianghan Oilfield Company, Sinopec, Qianjiang, Hubei 433124, China

Received:2005-02-01 Online:2005-12-01 Published:2020-11-23

摘要/Abstract

摘要： 运用有限元法的 SSFM 应力场模拟软件,对准噶尔盆地南缘喜马拉雅运动期构造应力场进行了模拟。结果表明,该期准噶尔盆地南缘整体处于压性环境,以压应力为主。最大主压应力高值区主要分布在北天山及其山前,博格达山为低值区; 西段由南向北,应力值由大变小; 东段由博格达山向四周,应力值呈环状逐渐变大。最小主压应力迹线在西部呈北西西向带状分布,在东部呈弧状分布,这与断层走向及主构造线基本一致。通过应力场特征分析,探讨了准噶尔盆地南缘喜马拉雅运动期应力场形成的动力学机制。

关键词: 准噶尔盆地, 应力场, 模拟, 有限元法

Abstract: By using SSFM simulator of finite element method, this paper presents the simulation of tectonic stress field in the southern margin of Junggar basin during Himalayan movement.The results show that the southern margin of Junggar basin during Himalayan movement is in compressional environment on the whole and characterized by compressive stress.The high value zone of maximum principal stress is mainly distributed in the north Tianshan mountain and its front, and the low value zone of it is at Bogda mountain.From south to north at the west section of the southern margin of Junggar basin, the high-to-low stress trend appears, but at the east section the stress trend is from low to high in circle way from Bogda mountain to surroundings.The minimum principal stress trajectory assumes zonal distribution with trend NWW at the west section and arch distribution at the east section, similar to the faulting strike and major structural line.At last, this paper discusses the dynamic mechanism of forming stress field of the southern margin of Junggar basin during Himalayan movement by study of these stress fields.

Key words: Junggar basin, stress field, simulation, finite element method

中图分类号:

TE111.2

周锋, 梅廉夫, 刘麟, 汤济广, 严淑澜, 骆吉春. 准噶尔盆地南缘喜马拉雅运动期构造应力场模拟[J]. 新疆石油地质, 2005, 26(6): 640-643.

ZHOU Feng, MEI Lian-fu, LIU Lin, TANG Ji-guang, YAN Shu-lan, LUO Ji-chun. Numerical Simulation of Tectonic Stress Field during Himalayan Movement in Southern Margin of Junggar Basin[J]. Xinjiang Petroleum Geology, 2005, 26(6): 640-643.

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