(UUID : 4fff3488-43b9-4a09-a560-ee566b30cf73)
Rock
Biotite banded gneiss
M-198
Rock
metamorphic rock
It is a gneisses with a clearly visible arcuate structure in which bands of white material, mainly composed of quartz and feldspar, and black material, mainly composed of biotite, are formed. It has a distinct flattened structure. Biotite appears with a characteristic arcuate structure. The color of the dark phase appears dark due to the high content of colored minerals.
9.8
cm
Quartz, plagioclase, tourmaline
#metamorphic rock
South Korea
Gyeonggi-do
Yeoncheon-gun, Sinseo-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