Orbicular Granite Gneiss in Osan-ri, Muju
茂朱 吾山里 球狀花崗片麻岩
전북특별자치도 무주군
Basic information
- Designation
- Natural Monument No.249
- Category
- 자연지형
- Era
- 고생대
- Designated year
- 1974
- Location
- 무주군, 전북특별자치도— 전북특별자치도 무주군 무주읍 오산리 산 166 등
- Coordinates
- 36.039001, 127.686068
AI Docent
Coming soonAn AI-generated, friendly retelling of this heritage site is available in Korean. An English version is on our roadmap — for now, please see the official description below.
Description
"An orbicular bead is a stone that is round like a ball and is formed under particular environmental conditions. Orbicular beads are mostly found in granite. The Orbicular Gneiss of Muju is a rock with five orbicular beads in it and whose half is buried at the bottom of the river in Wangjeong Village. Orbicular beads have diameter of 5 ~ 10cm and dark-grey or dark-green color. Most orbicular beads are found in granite, but the orbicular beads in Muju are found in metamorphic rocks. Therefore, this rock is rare and valuable for research. Orbicular beads serve as valuable and special data for geology and important data in researching how rocks are formed. Therefore, the Orbicular Gneiss in Muju has been designated and conserved as a natural monument."
Location
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Images: KOGL (khs.go.kr) · Data source: Korea Heritage Service Open API (khs.go.kr)