(UUID : 6b149d12-30d2-4315-b1e5-f06886f42a8e)
Rock
Basalt
I-078
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 gabbro. Most of them are grayish-black to black, fine-grained and fine-grained, but sometimes they are porous.
12.0
cm
Plagioclase, Pyroxene, Olivine
#igneous rock
Japan
Tottori
Wakasa
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.
The copyright of this data is held by KIGAM.
2024-09-05