GEOLOGICAL MEANING AND APPLICATION OF GRAVITY-MAGNETIC RESIDUAL ANOMALY COMBINATION IN GEOLOGICAL SURVEY

SHI Jian-min; SHI SHao-shan; WU Xin-wei; GAO Tie; YANG Hong-zhi; ZHANG Li; SONG Wan-bing; CHEN Ting-yu

2020 Vol. 29, No. 1

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SHI Jian-min, SHI SHao-shan, WU Xin-wei, GAO Tie, YANG Hong-zhi, ZHANG Li, SONG Wan-bing, CHEN Ting-yu. GEOLOGICAL MEANING AND APPLICATION OF GRAVITY-MAGNETIC RESIDUAL ANOMALY COMBINATION IN GEOLOGICAL SURVEY[J]. Geology and Resources, 2020, 29(1): 53-60.

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GEOLOGICAL MEANING AND APPLICATION OF GRAVITY-MAGNETIC RESIDUAL ANOMALY COMBINATION IN GEOLOGICAL SURVEY

Shenyang Center of Geological Survey, CGS, Shenyang 110034, China

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Corresponding author: SHI SHao-shan, shishaoshan321@163.com

Received Date: 22 July 2019

Revised Date: 19 August 2019

Publish Date: 29 February 2020

Abstract

Abstract

Based on the physical meaning and geological implication of gravity and magnetic anomalies, the geological factors to form the gravity and magnetic anomalies are discussed. The correspondence between the rocks and the residual gravity and magnetic anomalies and their combination are analyzed. The results reveal the characteristics of geological process that is reflected by the combination of residual gravity and magnetic anomalies. With the recognition of the characteristics of formation and reformation of abnormal geological bodies, 8 permutations of 4 combinations of gravity and magnetic anomalies and their geological implications are summarized.
- gravity anomaly /
- magnetic anomaly /
- residual anomaly combination /
- Mesozoic /
- volcanic area /
- Inner Mongolia

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