Electromagnetic Exploration: Theory, Methods and Applications

Dear Colleagues,

Electromagnetic (EM) methods, both airborne and ground, are one of the most widely used geophysical techniques in mineral exploration, in which natural or controlled sources are used to transmit EM waves into the Earth and measure the returned EM fields. The EM methods include the transient electromagnetic (TEM) method, radio imaging method (RIM), ground-penetrating radar (GPR), borehole radar (BHR), magnetotelluric (MT) method, audio-magnetotelluric (AMT) and controlled-source audio-magnetotelluric (CSAMT) method. They are used not only for the discovery of mineral deposits and extension of reserves of existing mines, but also for structural mapping of the Earth, oil and gas exploration, environment and engineering, and groundwater investigation. The ability of these methods to explore deep Earth has improved significantly in recent decades with advances in sensors, space- and drone-based observation platforms, electronics, data processing and inversion techniques, and application of machine learning. All these have improved the resolution and detectability of EM methods. In this Special Issue, we seek contributions from the EM geophysical community with the latest innovation on EM equipment developments, data processing, forward modeling and inversion, and especially applications to mineral explorations. We also welcome papers on review and case studies of EM technologies.

We look forward to receiving your contributions to this Special Issue.

Dr. Binzhong Zhou
Dr. Changchun Yin
Dr. Zhengyong Ren
Dr. Xuben Wang
Guest Editors

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