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http://dx.doi.org/10.7582/GGE.2017.20.3.137

Characterization of Physical Properties for Mineral Exploration of High-grade Limestone in Pungchon Formation  

Shin, Seung Wook (Mineral Resources Development Research Center, Korea Institute of Geoscience and Mineral Resources)
Park, Samgyu (Mineral Resources Development Research Center, Korea Institute of Geoscience and Mineral Resources)
Cho, Seoung-Jun (Mineral Resources Development Research Center, Korea Institute of Geoscience and Mineral Resources)
Publication Information
Geophysics and Geophysical Exploration / v.20, no.3, 2017 , pp. 137-145 More about this Journal
Abstract
High-grade limestone applied to various chemical industries is abundant within upper Pungchon formation in Taebaeksan basin, South Korea. Geophysical exploration is one of the most efficient methods to investigate subsurface geological structure in an extensive area. Since the geophysical exploration for the high-grade limestone has rarely been conducted in Korea, its appropriate strategy has not been set up yet. In this study, we focused on to suggest the reasonable strategy and accumulate geophysical databases which are essential for interpreting geophysical images by characterizing laboratory physical properties of in-situ rocks. Hence, rocks were obtained from drilled cores consisting of lower Hwajeol formation, Pungchon formation, and dykes in Jeongseon area, Gangwon province. Geophysical laboratory experiments and petrography of the rocks were conducted. Since susceptibility values of the rocks in Pungchon Formation were obviously lower than those of upper Hwajeol and dykes, it is considered that the lithological boundaries could be distinguished by magnetic survey. In addition, electrical properties of the rocks in middle Pungchon formation were relatively different compared with those of upper/lower Pungchon formations. Thus, induced polarization is shown to be able to detect the high-grade limestone in upper Pungchon formation.
Keywords
high-grade limestone; Taebaeksan basin; rock physical properties; Pungchon formation;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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