福建东洋地区地球物理场特征

张振宇; 胡祥云; 王大勇; 陈亮; 王刚; 李永博

doi:10.3799/dqkx.2021.058

Volume 46 Issue 10

Nov. 2021

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Zhang Zhenyu, Hu Xiangyun, Wang Dayong, Chen Liang, Wang Gang, Li Yongbo, 2021. Geophysical Field Characteristics of Dongyang Region, Fujian Province. Earth Science, 46(10): 3717-3729. doi: 10.3799/dqkx.2021.058

Citation:

Zhang Zhenyu, Hu Xiangyun, Wang Dayong, Chen Liang, Wang Gang, Li Yongbo, 2021. Geophysical Field Characteristics of Dongyang Region, Fujian Province. Earth Science, 46(10): 3717-3729. doi: 10.3799/dqkx.2021.058

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Geophysical Field Characteristics of Dongyang Region, Fujian Province

doi: 10.3799/dqkx.2021.058

Zhang Zhenyu^{1, 3
,
,},
Hu Xiangyun^{2
,
,},
Wang Dayong^{1, 3},
Chen Liang^{1, 3},
Wang Gang^{1, 3},
Li Yongbo^{1, 3}

1.
Nation Center for Geological Exploration Technology, Langfang 065000, China
2.
Institute of Geophysics & Geomatics, China University of Geosciences, Wuhan 430074, China
3.
Key Laboratory of Geophysical Electromagnetic Detection Technology of Ministry of Land and Resources, Langfang 065000, China

Received Date: 2021-03-10
Available Online: 2021-11-03
Publish Date: 2021-11-03

Abstract

Abstract

In order to study the deep geological structure of Dongyang region, it carried out the integrated geophysical exploration in Dongyang region, analyzed the geophysical field. Combined with the existing geological data, it analyses and studies the characteristics of regional geophysical field and regional deep geological structure. The conclusion is that the Dongyang region is located in the southwest of the outer ring of the giant ring structure. The study area is located in the transition area between the eastern coastal magnetic field violent change zone and the western inland magnetic field relatively gentle zone, and the regional aeromagnetic ΔT anomaly is mainly NE trending banded anomaly zone. There are two high residual gravity anomalies in the study area. The comprehensive geophysical section is divided into three parts by two NW trending deep faults. Combined with regional geological characteristics, it infers that the southern part of the area is a set of nappe rootless metamorphic rock series with high resistivity, the deep part is a set of Mesozoic sedimentary rocks with low resistivity, the shallow part of the northern part of the area is mainly composed of Mesozoic sedimentary rocks with thin volcanic rocks, the deep part is the high resistivity body of the Lower Paleozoic and Proterozoic basement rock series, and the central part of the area is the main development area of volcanic rocks.
- Dongyang region,
- geophysical field,
- deep structure,
- gold mine,
- geophysics

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References(37)

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Geophysical Field Characteristics of Dongyang Region, Fujian Province

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