ESR AGES EVIDENCES OF MOHE OVERTHRUST STRUCTURE STAGE

LIU Xiao-jia; ZHAO Li-guo; TIAN Jun; YANG Xiao-ping; ZHANG Wen-long; GAO Xue-mi

2014 Vol. 20, No. 3

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LIU Xiao-jia, ZHAO Li-guo, TIAN Jun, YANG Xiao-ping, ZHANG Wen-long, GAO Xue-mi. ESR AGES EVIDENCES OF MOHE OVERTHRUST STRUCTURE STAGE[J]. Journal of Geomechanics, 2014, 20(3): 299-303.

Citation:

LIU Xiao-jia, ZHAO Li-guo, TIAN Jun, YANG Xiao-ping, ZHANG Wen-long, GAO Xue-mi. ESR AGES EVIDENCES OF MOHE OVERTHRUST STRUCTURE STAGE[J]. Journal of Geomechanics, 2014, 20(3): 299-303.

ESR AGES EVIDENCES OF MOHE OVERTHRUST STRUCTURE STAGE

1.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
2.
Qiqihar Branch, Research Institute of Regional Geological Survey of Heilongjiang, Harbin 150036, China
3.
Chinese Academy of Geological Sciences, Beijing 100037, China

Received Date: 10 May 2014

Publish Date: 25 September 2014

Abstract

Abstract

The 10 different structure quartz veins and calcite veins from Mohe basin overthrust structure root zone, the central belt and front belt has been dated by electron spin resonance (ESR). ESRS dating results show Mohe basin overthrust structure formed in (149.3±14.0) Ma~(118.7±11.0) Ma, which indicate the main deformation of Mohe overthrust structure was in the Late Jurassic-Early Cretaceous. The structure has great relationship with Jurassic to Early Cretaceous Hang Gai-Kent Ocean closed, ancient land thrusting and crustal thickening caused by ancient Pacific Ocean subduction. Then it led Mohe Basin atrophy of squeezing and lifting.
- Mohe Basin /
- overthrust structrue /
- ESR dating

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References

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