Aeromagnetic field feature and lithologic mapping in eastern Guizhou
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摘要: 为了弄清黔东深覆盖地区的成矿地质背景,以2014年该区1:5万比例尺的直升机航磁资料为基础,结合地质、重力等资料,研究了该区不同岩浆岩、断裂构造的航磁特征,在综合分析的基础上,编制了该区的岩性构造图。通过分析对比,本次新圈定具有一定规模的隐伏岩体7处、蚀变岩15处,新圈定不同规模的断裂17条 。上述成果对黔东地区基础地质研究和找矿工作具有重要意义。Abstract: In order to ascertain the metallogenic geological background of the huge coverage areas in Eastern Guizhou, and based on the 1:50 000 aeromagnetic data in 2014 and the data of geology and gravity, the authors studied the aeromagnetic features of different magmatic rocks and structure units in the study area. And the region structure map was completed based on comprehensive analysis. Through comparison and analysis, seven new intrusive rocks, fifteen altered rocks and seventeen faults with different scales were outlined. The results are of great significance for the study of basic geology and ore prospecting in Eastern Guizhou.
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Keywords:
- aeromagnetic field features /
- magmatic rocks /
- fault structure
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