COMPREHENSIVE GEOPHYSICAL INTERPRETATION FOR THE GEOLOGICAL AND MINERAL SURVEY IN BASALT-COVERED REGION OF CHANGBAI MOUNTAIN: A Case Study of Kaifeng Forest Farm Area
SUN Jian-shuang1, CHEN Gui-hu1, ZHANG Long1, XU Lei2, ZHANG Min3, CUI Lei4
1. Mudanjiang Natural Resources Comprehensive Survey Center, CGS, Mudanjiang 157000, Heilongjiang Province, China; 2. Hohhot Natural Resources Comprehensive Survey Center, CGS, Hohhot 010000, China; 3. Xi'an Mineral Resources Survey Center, CGS, Xi'an 710000, China; 4. Heilongjiang Hagong Graphite Technology Co., Ltd., Jixi 158100, Heilongjiang Province, China
Abstract:Combined with 7 comprehensive geophysical sections in the basalt-covered area of Changbai Mountains, multiple geophysical exploration methods such as gravity, high-precision magnetic survey, controlled source audio-frequency magnetotellurics (CSAMT) and shallow seismic exploration are used to study the spatial distribution, lithology and structural characteristics of basalt-covered geological bodies. Through geological mapping and validity test of prospecting methods, the results are verified with engineering drilling. Furthermore, the paper draws the inferred map of basement in the basalt covered area and contour map of basalt thickness, and summarizes the effective methods of geological and mineral survey in Cenozoic basalt-covered region.
孙剑爽, 陈桂虎, 张龙, 徐磊, 张敏, 崔雷. 长白山玄武岩覆盖区地质矿产调查综合地球物理解释——以开峰林场地区为例[J]. 地质与资源, 2023, 32(4): 487-496,393.
SUN Jian-shuang, CHEN Gui-hu, ZHANG Long, XU Lei, ZHANG Min, CUI Lei. COMPREHENSIVE GEOPHYSICAL INTERPRETATION FOR THE GEOLOGICAL AND MINERAL SURVEY IN BASALT-COVERED REGION OF CHANGBAI MOUNTAIN: A Case Study of Kaifeng Forest Farm Area. GEOLOGY AND RESOURCES, 2023, 32(4): 487-496,393.
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