| 郑小明,倪杰才,郭刚,方维萱,王宏伟.音频大地电磁测深在甘肃红石山蛇绿混杂岩带三维地质建模中的应用[J].矿产勘查,2021,12(7):1602-1609 |
| 音频大地电磁测深在甘肃红石山蛇绿混杂岩带三维地质建模中的应用 |
| Application of audio frequency magnetotelluric sounding in 3D geological modeling in Hongshishan ophiolitic melange belt， Gansu |
| 投稿时间：2021-05-20 |
| DOI： |
| 中文关键词: AMT 红石山 三维地质 蛇绿构造混杂岩带 |
| 英文关键词: AMT Hongshishan 3D geology ophiolitic melange belt |
| 基金项目:本文受中国地质调查局北山图拉尔根—辉铜山地区区域地质调查项目(DD20190812)资助。 |
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| 中文摘要: |
| 音频大地电磁测深( AMT)技术广泛应用于有色金属勘查、地热资源探测、页岩气评价、天然气水合物探 测、地层界面和构造探测等多种领域。此次工作采用音频大地电磁测深( AMT)技术，通过对实测数据噪音剔除、静态效应校正处理，并利用有色金属矿产地质调查中心自主开发的反演软件进一步精细处理反 演，获得研究区二维地电断面结果，结合地表岩性及其电阻率、磁化率等物性参数，共同解释实现红石山 蛇绿混杂带三维地质模型的建立，为探讨红石山基性 —超基性岩的形成机制提供了产状及其与围岩的 接触关系信息。 |
| 英文摘要: |
| Audio magnetotelluric sounding (AMT) technology is widely used in various fields such as non-ferrous metal exploration, mine resource reserve verification, geothermal resource detection, shale gas evaluation, natural gas hydrate detection, and spatial lithological structure characteristics. In this study, the audio magnetotelluric sounding (AMT) technology was used to obtain the actual measurement results through spot observation methods. Then perform noise removal and static e.ect correction processing on the measured data. We used the software independently developed by the Nonferrous Geotechnical Research Center to further .nely process the inversion and obtain the two-dimensional geoelectric section results of the study area. The above results are combined with the dual parameters of resistivity and magnetic susceptibility, and surface mapping lithology to jointly explain, thereby realizing the establishment of a three-dimensional geological model of the Hongshishan ophiolitic melange belt. |
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