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Mineralogical Study of Chondrodite in Iron Ores from the Wondong Mine, Korea

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광물과 암석 (Korean Journal of Mineralogy and Petrology)
한국광물학회 (The Mineralogical Society Off Korea)
초록

Chondrodite form the Wondong mine, Korea, which is the first occurrence from the southern Korea, has been studied for its mineralogical characterization. It occurs in close association with penninite, phlogopite, diopside and garnet within the magnetite ore bodies, which are debeloped along the contact of the Hwajeol Formation and rhyolite. Two kinds of chondrodites are recognized by their different optical properties; the high birefringent untwinned one and the low birefringent twinned one. The former has slightly higher Mn content than the latter. Twinning in chondrodite has been formed in close relation to substitution Mg (Fe, Mn) in the humite solid solution, as evidenced by the chemical variation across the twin lamallae.

저자
  • 김수진
  • 노진화
  • 이영락