Citation: | SHI Jian-min, SHI Shao-shan, WU Xin-wei, GAO Tie, YANG Hong-zhi, ZHANG Li, SONG Wan-bing, CHEN Ting-yu. SPATIAL STRUCTURE CHARACTERISTICS OF GRAVITY HIGH ANOMALY COMBINATION IN VOLCANIC AREAS: A Case Study of Northeast Inner Mongolia[J]. Geology and Resources, 2019, 28(5): 482-486, 453. |
Guided by the geologic origin of Bouguer gravity anomaly, according to the spatial distribution of local gravity high anomaly in regional gravity anomaly, Bouguer gravity anomaly and residual gravity anomaly, combined with the regional and field geological survey results, the paper analyzes the geological characteristics of principal component facies of geological bodies reflected by gravity high anomaly assemblage from three-dimensional perspective and discusses the genetic mechanism of gravity high anomaly, to reveal the spatial formation and evolution rules of geological bodies and provide reference for the interpretation of local gravity anomaly in regional geological survey.
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Gravity anomaly assemblage maps of the study area
Assemblage map of gravity high anomaly
Grey-purple ellipsoidal basaltic andesitic spherulitic breccia
Purplish grey lithophysa basaltic andesite