| 戈壁荒漠覆盖区地质调查中综合地球物理方法与实践 |
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| 引用本文： | 陈超,许顺芳,王国灿,胡正旺,刘江平,刘营,梁青,杜劲松,王林松,汪利民.戈壁荒漠覆盖区地质调查中综合地球物理方法与实践[J].地球科学,2021,46(8):3028-3038. |
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| 作者姓名： | 陈超 许顺芳 王国灿 胡正旺 刘江平 刘营 梁青 杜劲松 王林松 汪利民 |
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| 作者单位： | 1.中国地质大学地球物理与空间信息学院, 湖北武汉 430074 |
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| 基金项目： | 国家自然科学基金项目41774091中国地质调查局地质调查项目DD20179607中国地质调查局地质调查项目DD20160060 |
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| 摘 要： | 戈壁荒漠覆盖区地质填图是新时期地质调查工作的重点内容之一.覆盖区地质填图的基本目标包括两个方面，一是揭示覆盖层下伏基岩面地质结构，即填绘基岩面地质图；二是揭示覆盖层地质结构，包括地表覆盖层地质结构和覆盖层的三维地质结构.综合利用地球物理方法可以获得覆盖区地下地质结构、岩石属性、沉积物分布与层状结构等信息.而经济有效地选择和组合实施地球物理方法是完成覆盖区地质填图目标任务的重要保障.基于近年在新疆东天山地区开展的覆盖区地质填图工作，提出了针对多覆盖层结构背景下地质填图的综合地球物理方法组合的技术策略.综合地球物理方法以及新技术在巴里坤盆地和哈密盆地的应用展示了其效果，并为在戈壁荒漠覆盖区地质调查过程中如何开展地球物理工作提供了示范和借鉴.
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| 关 键 词： | 覆盖区地质填图 综合地球物理 新生代覆盖层结构 巴里坤盆地 吐哈盆地 |
| 收稿时间： | 2020-12-28 |
Comprehensive Geophysical Survey and Practice in Geological Investigation of Gobi Desert Covered Area |
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| Chen Chao,Xu Shunfang,Wang Guocan,Hu Zhengwang,Liu Jiangping,Liu Ying,Liang Qing,Du Jinsong,Wang Linsong,Wang Limin.Comprehensive Geophysical Survey and Practice in Geological Investigation of Gobi Desert Covered Area[J].Earth Science-Journal of China University of Geosciences,2021,46(8):3028-3038. |
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| Authors: | Chen Chao Xu Shunfang Wang Guocan Hu Zhengwang Liu Jiangping Liu Ying Liang Qing Du Jinsong Wang Linsong Wang Limin |
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| Abstract: | Geological mapping in Gobi Desert covered area is one of the significant contents of geological survey in the new period of geological investigation. The basic objectives of geological mapping in covered area include two aspects: one is to reveal the geological structure of bedrock under overburden, i.e., to draw geological map of the bedrock; and the other is to reveal the geological structure of overburden, including the framework of overburden and the three-dimensional geological structure of overburden. Comprehensive geophysical surveys can be used to obtain the information of the geological structure, rock nature, distribution and layer-structure of sediment, etc. in covered area. Since economy and efficiency are key factors for geological mapping, selection and comprehensive implementation of geophysical methods are important to the investigation. Based on the recent geological mapping work in the East Tianshan mountains, Xinjiang, it proposed an optimal and effective integrated geophysical survey method for dealing with the geological mapping issue under multi-layer overburden in this paper. The integrated geophysical investigation and application of new technology in Barkol Basin and Hami Basin illustrate the efficiency and practicability of the comprehensive method. It may provide a reasonable solution to delineate covered rocks and structures in geological survey in Gobi Desert covered area. |
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