(UUID : 8be934f2-60af-40d5-9d84-d26b30334bd3)
Rock
Biotite-sillimanite gneiss
M-190
Rock
metamorphic rock
It was metamorphosed at medium to high temperatures and has a higher degree of metamorphism than schist. The hemagnetic structure is developed. Recrystallization occurs. The foliation is less distinct than that of phyllite. Biotite and sillimanite appear characteristically. A slight migmatite structure is observed.
19.8
cm
quartz
#metamorphic rock
South Korea
Gyeonggi-do
Gapyeong-gun, Buk-myeon
Department of Geology and Geophysics, Kangwon National University
033-250-8550
geochemistry laboratory
DOI
CC BY-NC - The author is free to use, but not for profit.
The copyright of this data is held by KIGAM.
2023-09-04