Pumice is ____.
A)created in explosive eruptions involving viscous magma and high amounts of volatiles
B)the solidified form of a lahar that has reached the sea
C)compacted volcanic ash
D)"clinkers" of basalt formed in slow lava flows
E)created in slow eruptions involving fluid magma and low amounts of volatiles

Question

Quizplus · Accepted Answer

Pumice is formed during explosive volcanic eruptions when viscous magma containing a high amount of volatiles (gases) is ejected and cools rapidly. The rapid cooling and the release of gases create a highly vesicular, lightweight, frothy texture.

Pumice Is ____