The characteristics of the front halo elements of typical geothermal fields in Jizhong Depression and their geothermal significance
Received:December 14, 2020  Revised:December 24, 2020
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KeyWord:background; element anomaly; fault; enrichment pattern
                 
AuthorInstitution
SU Hang .东华理工大学 水资源与环境工程学院;.中国地质调查局水文地质环境地质研究所
CHEN Gongxin .东华理工大学 水资源与环境工程学院
XING Linxiao .中国地质调查局水文地质环境地质研究所
SUN Zhanxue .东华理工大学 水资源与环境工程学院
CEN Li .东华理工大学 水资源与环境工程学院
CHEN Shifeng .东华理工大学 水资源与环境工程学院
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Abstract:
      The front halo elements, such as As, Sb, Bi, Li, Be, Rb, and Hg, can be used as important indexes in geothermal field exploration. Based on typical geothermal field in Jizhong Depression deep soil sample testing data, this article calculated the background, threshold and correlation coefficient, mapped the long profile and contour map, using the normalization method superimposed the element contour map, and controlled element anomaly location known element distribution characteristics of "High in south geothermal field, low in north convex area and central cavity; high on the fault layer, low in the structure unit”. Ultimately, this article briefly analyzed the mechanism of elements anomaly enrichment, predicted geothermal anomaly areas, which can provide a theoretical basis for geothermal field exploration.
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