(UUID : 63c3c18b-561a-4d00-8f83-c8933559774b)
Rock
Basalt
I-082
Rock
igneous rock
The SiO2 content is low at 45~52%, making it a dark high-metal volcanic rock. It is a fine-grained igneous rock that is mainly made of plagioplasty and ordinary pyroxene, and has the same chemical composition as companion rock. Most of them are grayish-black to black, fine-grained and fine-grained, but sometimes they are porous. It appears as a pillow structure.
24.0
cm
Quartz, Orthoclase, Microcline, Plagioclase, Biotite
#igneous rock
South Korea
Gangwon-do
Cheorwon-gun, Galmal-eup
Department of Geology and Geophysics, Kangwon National University
+82-33-250-8550
Geology and Exhibition Hall
DOI
CC BY-NC - The author is free to use, but not for profit.
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2024-09-05