(UUID : 6136e9c1-42ba-4016-933d-ea5eeffc4a0d)
Rock
Andesite
I-030
Rock
igneous rock
It is a neutral volcanic rock with a non-crystalline or ecchymous structure. The mineral combination is plentiful and includes pyroxene or amphibolite. Plagioplasty, amphibolite, and pyroxene are mainly found in semi-crystals, and the subconstituent minerals of fine grains make up the stone tools. It has a greenish-blue, greenish-black color.
11.8
cm
Quartz, Orthoclase, Microcline, Plagioclase, Biotite
#igneous rock
Japan
Kyushu
Nagasaki, Shimabara
Department of Geology and Geophysics, Kangwon National University
+82-33-250-8550
Geology and Exhibition Hall
DOI
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2024-09-05