Multiple Choice
________is a volcanic rock that is extremely vesicular and glassy.
A) Tuff
B) Pumice
C) Obsidian
D) Pegmatite
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q34: Which of the following igneous rocks has
Q35: A _ is an open cavity in
Q36: In general, what happens in terms of
Q38: A(n)_texture would be most unlikely to occur
Q39: Pyroxene, hornblende, and biotite are all minerals
Q40: _magma, commonly erupted along oceanic ridge systems,
Q41: _is the dominant feldspar in basalt.<br>A)Orthoclase<br>B)Plagioclase<br>C)Microcline<br>D)Pyroxene
Q42: _often contain gem- quality crystals of minerals
Q82: _ refers to the removal and isolation
Q101: Igneous rocks are classified on the basis