A vesicular felsic rock is called a:
A)pumice.
B)scoria.
C)obsidian.
D)tuff.
E)volcanic breccia.

Question

Quizplus · Accepted Answer

A vesicular felsic rock refers to a volcanic rock that is light in color and contains air pockets or vesicles. Pumice is a common example of a vesicular felsic rock. Scoria is also vesicular but is typically darker and more mafic in composition. Obsidian is a glassy felsic rock that is not vesicular. Tuff is a type of volcanic rock that is composed of ash and other volcanic fragments, but it may or may not be vesicular. Volcanic breccia is a type of rock composed of broken fragments of volcanic material, and it may or may not be vesicular.

A Vesicular Felsic Rock Is Called A