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Basalt
01
バサルト
a type of dark, fine-grained igneous rock formed from cooled lava, characterized by its dense composition and typically dark gray to black color
basalt
n
basaltic
adj
basaltic
adj
例
The volcanic island was primarily composed of basalt.
The cliffs were made of basalt, giving them a dark appearance.
Geologists study basalt to learn about volcanic activity.
