Examlex
A shock wave is
Pahoehoe Lava
A form of basaltic lava exhibiting a smooth, unbroken surface and often developing into rope-like patterns.
Aa Lava
A type of lava flow with a rough, jagged surface, characterized by its slow movement and thick, viscous nature.
Vesicles
Small holes found in a volcanic rock, representing gas bubbles in a magma that were trapped when the lava solidified.
Welded Tuff
A type of rock formed by the compaction and cementation of volcanic ash and debris, heated enough post-deposition to weld together.
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