(UUID : 56e85e4c-2a24-4f1d-b844-421b8927f187)
Rock
Porphyroblastic gneiss
M-033
Rock
metamorphic rock
Usually dark in color. Shows weak foliation or foliation. Produced by metamorphism at high temperatures of 300~500℃. Sometimes contains biotite or nephrite. Lineation due to hornblende appears.
14.0
cm
Quartz, Plagioclase, Orthoclase, Biotite
#metamorphic rock
Department of Geology and Geophysics, Kangwon National University
+82-33-250-8550
Geology and Exhibition Hall
DOI
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2024-09-05