(UUID : 40a2e363-0a60-464e-8582-f288a20abab6)
Rock
Biotite banded gneiss
M-183
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. In part, quartz undergoes recrystallization as a result of metamorphic differentiation and is observed in the form of an eyeball. Biotite appears with a characteristic arcuate structure.
15
cm
Quartz, plagioclase, tourmaline
#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