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     According to South Korean Dong-a Ilbo reported that South Korea Chungcheongbuk-do Chungju and Hongcheon-gun, Gangwon-do can be found in at least 30 years of use, can use up to 50 years of "rare earth" vein. If the veins to be mined, then South Korea's own production of rare earth can replace entirely dependent on imports of rare-earth (in 3000 t-scale), and is expected to reduce 97% of the world's total production capacity of China rare earth influence.
     Korea Institute of geological resources Hao night (transliteration) 27 Journal of East Asia, told reporters that, from December until early June of this year, and Cheongju Hongcheon County collected samples drawn from the analysis of the findings, containing 0.6 -0.65% to approximately 23.6 million tons of rare-earth veins, which can be used in rare-earth about 147,500 tons. According to the current 3,000 tons / year of imports of the size of earth, and to consider the future of increased demand, the mine can be used at least 30 years.

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