Asked by dom
is vesicular basalt instrusive or exstrusive
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Vesicular basalt is extrusive.
"Vesicular" means it has many gas‑bubble cavities (vesicles) formed as gas escaped from lava during rapid cooling at or near the surface. Basalt is a mafic, fine‑grained volcanic (extrusive) rock — scoria and amygdaloidal basalt are common vesicular varieties.
"Vesicular" means it has many gas‑bubble cavities (vesicles) formed as gas escaped from lava during rapid cooling at or near the surface. Basalt is a mafic, fine‑grained volcanic (extrusive) rock — scoria and amygdaloidal basalt are common vesicular varieties.
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