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用于专题地质填图的地球物理技术——短周期密集台阵

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卢占武, 李文辉, 张新彦, 李秋生, 蔡玉国, 任彦宗, 程永志, 王光文. 用于专题地质填图的地球物理技术——短周期密集台阵[J]. 地质通报, 2021, 40(1): 1-12.
引用本文: 卢占武, 李文辉, 张新彦, 李秋生, 蔡玉国, 任彦宗, 程永志, 王光文. 用于专题地质填图的地球物理技术——短周期密集台阵[J]. 地质通报, 2021, 40(1): 1-12.
shu
LU Zhanwu, LI Wenhui, ZHANG Xinyan, LI Qiusheng, CAI Yuguo, REN Yanzong, CHENG Yongzhi, WANG Guangwen. A geophysical technology for thematic geological mapping: Short period dense array[J]. Geological Bulletin of China, 2021, 40(1): 1-12.
Citation: LU Zhanwu, LI Wenhui, ZHANG Xinyan, LI Qiusheng, CAI Yuguo, REN Yanzong, CHENG Yongzhi, WANG Guangwen. A geophysical technology for thematic geological mapping: Short period dense array[J]. Geological Bulletin of China, 2021, 40(1): 1-12.
shu

用于专题地质填图的地球物理技术——短周期密集台阵

  • 自然资源部深地动力学实验室/中国地质科学院地质研究所, 北京 100037

  • 基金项目:
    国家自然科学基金项目《藏南错那洞穹隆及邻区岩石圈结构与铍锡钨多金属矿产形成的深部背景研究》(批准号: 91962109)、自然资源部深地动力学重点实验室自主研究课题《喜马拉雅、三江成矿带混合源地震探测与浅-深结构研究》(编号: J1901-3), 中国地质调查局项目《阿拉善、藏东南等关键地段地壳圈层物质与演变基础地质调查》(编号: DD20190001)、《冈底斯构造带关键地区深部地质调查》(编号: DD20190016)和《雄安新区深部三维地质结构探测(地质所)》(编号: DD20189629)
详细信息
    作者简介: 卢占武(1978-), 男, 博士, 研究员, 从事地球物理和岩石圈结构探测研究。E-mail: luzhanwu78@163.com

  • 中图分类号: P623;P315.7

A geophysical technology for thematic geological mapping: Short period dense array

  • Key Laboratory of Deep-Earth Dynamics of Ministry of Natural Resources/Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China

    摘要

  • 以问题和需求为驱动的专题地质填图强调，针对某个主要地质体、沉积盆地、重要成矿带、地震带断裂系统等，采用现代化的技术手段开展针对性的专题调查和填图，以解决目标地质体结构、沉积盆地基底起伏、成矿地质体规模、断裂系统分布等重大问题。地球物理是专题填图不可缺少的手段之一，近10年发展起来的短周期密集台阵技术，因其布设灵活、应用广泛、精度高、成本低等特点备受关注。通过介绍短周期密集台阵发展现状，以及在城市、矿山、地震灾害区、沉积盆地等不同地质地貌条件下，利用短周期密集台阵进行近地表结构调查的应用实例，提出了该技术在专题地质填图中的应用前景和技术方案建议，力图通过短周期密集台阵的调查构建结构成像方法，丰富和完善专题填图的技术方法体系。

    Thematic geological mapping driven by the demands and problems emphasizes that for different geological environments such as a major geological body, sedimentary basin, important metallogenic belt and fault system, modern technical means can be adopted to carry out thematic geological investigation and mapping, so as to solve some major problems of above-mentioned geological environments.Geophysics, as one indispensable means in thematic mapping, its short-period dense array technology developed in recent 10 years has attracted much attention due to flexible layout, wide application, high precision and low cost.This paper mainly introduces the current situation of short period dense array, and its application to near surface structure investigation under different geological and geomorphic conditions such as cities, mines, earthquake and sedimentary basins, etc.The application prospect and technical scheme suggestions of its technology in thematic geological mapping is put forward to improve and perfect the method system of thematic geological mapping technology by means of constructing structure imaging method through the investigation of short period dense array.

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  • 图 1  唐山断裂及邻区短周期密集台阵部署位置图[8]

    Figure 1. 

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    图 2  唐山断裂及邻区短周期密集台阵观测的浅层结构[19]

    Figure 2. 

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    图 3  唐山震区第四纪沉积厚度和基底埋深图[8]

    Figure 3. 

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    图 4  程海断裂短周期密集台阵位置及S波速度模型[22]

    Figure 4. 

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    图 5  济南城区短周期密集台阵部署位置[9]

    Figure 5. 

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    图 6  济南城区不同深度(100 m、300 m、600 m、1000 m)横波速度切片图[9]

    Figure 6. 

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    图 7  合肥市地震台阵部署图和浅层速度剖面[24]

    Figure 7. 

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    图 8  合肥市不同深度S波速度结构[24](a~d分别为30 m、50 m、100 m、300 m深度的结构)

    Figure 8. 

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    图 9  新丰江水库库区地震台阵位置及浅层速度结构[25]

    Figure 9. 

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    图 10  喀拉通克矿集区地震台阵部署位置及剪切波速度结构[26]

    Figure 10. 

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    图 11  美国西海岸San Jacinto断层的浅层速度结构与地形数据、断裂信息融合实例[36]

    Figure 11. 

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出版历程
收稿日期:  2020-07-30
修回日期:  2020-08-27
刊出日期:  2021-01-15

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