| 李晓红,李祖义,左鑫灿,陈建军.时频电磁法( TFEM)在云南省景谷某大型铜矿床的初步应用[J].矿产勘查,2025,16(S1):172-180 |
| 时频电磁法( TFEM)在云南省景谷某大型铜矿床的初步应用 |
| The preliminary application of Time-Frequency Electromagnetic Method(TFEM)in a large copper deposit in Jinggu，Yunnan Province |
| 投稿时间：2024-09-26 |
| DOI：10.20008/j.kckc.2025S1020 |
| 中文关键词: 时频电磁法(TFEM) 深、边部矿产勘查 大深度、高精度地球物理勘探 |
| 英文关键词: Time-Frequency Electromagnetic Method(TFEM) deep and marginal mineral exploration high-depth and high-precision geophysical prospecting |
| 基金项目:本文受云南省科技厅重点研发计划(202303AA080006)、云南省有色地质局科研项目(2023-09、2025-10)联合资助。 |
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| 中文摘要: |
| 随着社会经济的发展及国家对资源安全战略保障需求，寻找深部资源成为当之务急。时频电磁法 |
| 英文摘要: |
| With the development of socio-economy and the country′s strategic demand for resource security， the search for deep resources has become a pressing priority. The Time-Frequency Electromagnetic Method(TFEM)is an emerging electromagnetic exploration method that has achieved remarkable results in the field of oiland gas exploration after years of development. Due to its characteristics of large detection depth，strong anti-interference ability，and high precision，TFEM holds broad application prospects in the field of deep mineralexploration. In the face of the practical needs for deep and marginal mineral exploration，the current traditional theoretical methods and equipment still have limited detection depth，anti-interference ability，and especially detec. tion resolution，making it difficult to meet the requirements of deep mineral exploration. Therefore，there is an urgent need for new technologies and equipment to support this. To this end，a multi-functional time-frequencyelectromagnetic system from Russia was introduced，and a methodological and technical experiment was conducted at a large copper-polymetallic mine in Jinggu County，Yunnan Province，providing a methodological and technicalreference for deep mineral exploration. The experiment showed that TFEM has the advantages of large detectiondepth and high detection precision in deep exploration，and leverages the advantages of high-power，high-current excitation of artificial source field establishment methods，demonstrating significant effects in solving deep geologi. cal problems. |
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