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地质力学学报:2017,23(2):206-213
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物探方法在强风化区填图中的应用探索
陈松1, 陈长敬1, 吴俊1, 刘恋2, 卜建军1
(1.中国地质调查局武汉地质调查中心, 湖北 武汉 430205;2.安徽省勘查技术院, 安徽 合肥 230031)
APPLICATION AND EXPLORATION OF GEOPHYSICAL METHODS IN GEOLOGICAL MAPPING IN STRONGLY WEATHERED AREA
CHEN Song1, CHEN Chang-jing1, WU Jun1, LIU Lian2, BU Jian-jun1
(1.Wuhan Center of Geological Survey, CGS, Wuhan 430205, Hubei, China;2.Geological Exploration Technologies institute of Anhui Province, Hefei 230031, Anhui, China)
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投稿时间:2016-09-25    
中文摘要: 华南强风化区覆盖较厚,露头少,植被发育,通行困难,利用传统的地质填图方法很难有效查明风化覆盖层及其下伏地层、岩石、构造、矿产等地质特征。笔者利用浅层地震、高密度电法、EH4电磁成像等综合物探方法,对风化层厚度、基岩的岩性和产状、隐伏断裂等进行探测试验。通过对3种方法所得数据的分析和野外验证结果,了解了3种物探方法的有效性和适用性,初步总结了在强风化区填图运用多种物探手段填图的方法。
Abstract:Due to the unique geological feature of Southern China area, such as thick overburden layerfew outcrops, thick-growing vegetation and difficult access, it is difficult to effectively identify the geological characteristics of weathered layers and its underlying strata, rocks, structures and minerals by means of traditional geological mapping methods. Through comprehensive geophysical methods including shallow earthquake, high density resistivity and EH4 electromagnetic imaging, the geological characteristics like weathering layer thickness, bedrock lithology and occurrence, and buried fault are tested. By analyzing the data obtained from this 3 methods and the results of field investigation, the validity and applicability of this 3 geophysical methods are studied, and a series of geophysical methods for geological mapping in strongly weathered area are preliminarily summarized.
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基金项目:中国地质调查局地质调查项目"特殊地质地貌区填图试点"(DD20160060);"广东1:5万筋竹圩、连滩镇、泗纶圩、罗定县幅强烈风化区填图试点"(12120114005901);"珠三角阳江-珠海地区海岸带1:5万填图试点"(DD20160064)
引用文本:
陈松,陈长敬,吴俊,刘恋,卜建军.物探方法在强风化区填图中的应用探索[J].地质力学学报,2017,23(2):206-213
CHEN Song,CHEN Chang-jing,WU Jun,LIU Lian,BU Jian-jun.APPLICATION AND EXPLORATION OF GEOPHYSICAL METHODS IN GEOLOGICAL MAPPING IN STRONGLY WEATHERED AREA[J].,2017,23(2):206-213

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