(UUID : 32d7ada3-6a66-453d-b681-244705e3f804)
Rock
Basalt
I-180
Rock
igneous rock
It is a dark, mafic volcanic rock with a low SiO2 content of 45-52%. It is a fine-grained igneous rock mainly composed of plagioclase and common pyroxene, and has the same chemical composition as gabbro. It is mostly grey-black to black, and appears fine-grained and dense, but it may be porous.
10
cm
#igneous rock
South Korea
Jeju-do
Jeju-si, Ara 1(il)-dong
Department of Geology and Geophysics, Kangwon National University
033-250-8550
Science Education Department 4th floor exhibition hall
DOI
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The copyright of this data is held by KIGAM.
2023-09-04