INTEGRATED INTERPRETATION OF GRAVITY, MAGNETIC AND SEISMIC DATA FOR DETECTING IGNEOUS ROCKS IN THE EAST CHINA SEA

TIAN Zhenxing; ZHANG Xunhua; ZHANG Zhixun; YANG Jinyu; LIU Zhan

doi:10.3724/SP.J.1140.2014.06145

2014 Vol. 34, No. 6

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TIAN Zhenxing, ZHANG Xunhua, ZHANG Zhixun, YANG Jinyu, LIU Zhan. INTEGRATED INTERPRETATION OF GRAVITY, MAGNETIC AND SEISMIC DATA FOR DETECTING IGNEOUS ROCKS IN THE EAST CHINA SEA[J]. Marine Geology & Quaternary Geology, 2014, 34(6): 145-152. doi: 10.3724/SP.J.1140.2014.06145

Citation:

TIAN Zhenxing, ZHANG Xunhua, ZHANG Zhixun, YANG Jinyu, LIU Zhan. INTEGRATED INTERPRETATION OF GRAVITY, MAGNETIC AND SEISMIC DATA FOR DETECTING IGNEOUS ROCKS IN THE EAST CHINA SEA[J]. Marine Geology & Quaternary Geology, 2014, 34(6): 145-152. doi: 10.3724/SP.J.1140.2014.06145

INTEGRATED INTERPRETATION OF GRAVITY, MAGNETIC AND SEISMIC DATA FOR DETECTING IGNEOUS ROCKS IN THE EAST CHINA SEA

1. Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, Qingdao 266071;
2. Qingdao Institute of Marine Geology, Qingdao 266071;
3. China University of Petroleum, Qingdao 266555

Received Date: 13 August 2014

Revised Date: 03 November 2014

Abstract

Abstract

Using the latest gravity, magnetic and seismic data acquired by the marine geological survey project of Shanghai sheet on the scale of 1:1000,000, this paper analyzed the characteristics of gravity and magnetic fields in addition to the structural and lithological interpretation of seismic profiles. Helped by the geophysical features of the known igneous rocks, we inferred the distribution pattern of the igneous rocks in the East China Sea. Our results show that in the East China Sea, igneous rocks largely intrude in the Mesozoic along deep faults and extend in zones along the NNE direction. The small scale NWW trending igneous rocks erupted in later stage follow the later formed NW faults, and are distributed as stripes in E-W. And the early and middle Himalayan magmatic rocks occur in the central uplift of the East China Sea Shelf Basin.
- Integrated gravity /
- magnetic and seismic interpretation /
- submarine igneous rock

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References

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