Abstract
We present our aeromagnetic survey results from an investigation of the iron ore mineral distribution in Pocheon, Korea, in the west-central area of the Korean Peninsula. A manned aeromagnetic system using a helicopter for regional exploration and an unmanned aeromagnetic system using a multicopter for high-resolution exploration were used for the survey. The inversion results of the magnetic data confirmed the possibility of the existence of a new iron ore body. Drilling was carried out based on inversion results and drilling revealed amphibolite including iron ore, as indicated by a strong magnetic response. The position and depth of the iron ore were consistent with the interpretation results of the magnetic data.
Highlights
Securing adequate mineral resources is important for successfully navigating a new era of industrial growth
We investigated the distribution of iron ore mineral in Pocheon, Korea, in the west-central area of the Korean Peninsula using manned and unmanned aeromagnetic surveys for data acquisition
Area B is the area where iron ore is exposed on the surface as the pit that had been developed in the past collapsed
Summary
Securing adequate mineral resources is important for successfully navigating a new era of industrial growth. We have conducted studies on titanomagnetite deposits located in the west–central portion of the Korean Peninsula. The area has numerous active mines, with magnetite (an iron ore mineral), titanium (Ti), and vanadium (V) as the main deposits. Magnetite is easy to identify with magnetic surveys, as it has a strong susceptibility. Given that susceptibility is a direct indicator of the magnetic mineral content, magnetic exploration is one of the most efficient means of finding new iron ore sources. The identification of iron ore deposits and their distribution throughout the west– central part of the Korean Peninsula using magnetic surveys has been and continues to be the focus of our research
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