(UUID : 55ca38a7-d09b-473f-9ed8-39900e31bc55)
Rock
Rhyolite
I-070
Rock
igneous rock
It is a siliceous volcanic rock with the same chemical composition as granite among plutons. In general, it shows a porphyritic texture, and mainly quartz and feldscat are included as phenocryst. The color is generally bright and has a flow structure. It is produced by lava or rock veins on the continents or in the mid-mountain belt.
15.0
cm
Orthoclase, Plagioclase, Quartz, Amphibole
#igneous rock
South Korea
Busan
Nam-gu, Yongho-dong
Department of Geology and Geophysics, Kangwon National University
+82-33-250-8550
Geology and Exhibition Hall
DOI
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2024-09-05