TERTIARY N-S DIRECTION CRUSTAL SHORTENING OF FENGHOUSHAN AREA IN CENTRAL QINGHAI-XIZANG PLATEAU

SEISMOLOGY AND GEOLOGY ›› 2001, Vol. 23 ›› Issue (1): 122-125.

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TERTIARY N-S DIRECTION CRUSTAL SHORTENING OF FENGHOUSHAN AREA IN CENTRAL QINGHAI-XIZANG PLATEAU

Liu Shun, Wang Chengshan, Yi Haisheng, Liu Zifei

Chengdu Institute of Technology, Chengdu 610059

Received:1999-06-30 Revised:2000-05-31 Online:2001-03-07 Published:2009-10-26

青藏高原中部风火山地区第三纪地壳南北缩短量研究

刘顺, 王成善, 伊海生, 刘志飞

成都理工学院, 成都 610059

基金资助:
国土资源部“九五”重大基础研究项目(95011002)和国家重点基础研究项目(1998040800)资助.

Abstract

Abstract: Based on newly acquired deformational data of Fenghuoshan group, we have estimated the N-S crustal shortening of Fenghuoshan area in central Qinghai-Xizang plateau .The shortening is greater than 41%, the majority of which occurred in late Oligocene and the minority in late Miocene.

Key words: Qinghai-Xizang plateau, Fenghuoshan area, Crustal shortening, Tertiary

摘要： 利用新的资料对青藏高原中部风火山地区下第三系风火山群的变形进行了地壳南北向缩短率估算,其值为>41%。缩短时期主要为渐新世末,其次为中新世末。

关键词: 青藏高原风火山地区, 地壳缩短率, 第三纪

Liu Shun, Wang Chengshan, Yi Haisheng, Liu Zifei. TERTIARY N-S DIRECTION CRUSTAL SHORTENING OF FENGHOUSHAN AREA IN CENTRAL QINGHAI-XIZANG PLATEAU[J]. SEISMOLOGY AND GEOLOGY, 2001, 23(1): 122-125.

刘顺, 王成善, 伊海生, 刘志飞. 青藏高原中部风火山地区第三纪地壳南北缩短量研究[J]. 地震地质, 2001, 23(1): 122-125.

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TERTIARY N-S DIRECTION CRUSTAL SHORTENING OF FENGHOUSHAN AREA IN CENTRAL QINGHAI-XIZANG PLATEAU

青藏高原中部风火山地区第三纪地壳南北缩短量研究

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