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Abundant dolomite (raw material for magnesium) → Gangwon-do makes up 50% of total production of nation Extract clean sea-based lithium (secondary cell materials) → 4mg per gram Silica stone (raw material for metallic silicone smelting) → 25% of all deposits in Korea Rare soils (used for advanced technology industries) → Most deposits in nation (Hongcheon, Yangyang)

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