A volcano emits ash,which falls from the sky,settles in layers,and is eventually cemented.The resultant rock is termed ____________.
A) pumice
B) granite
C) tuff
D) ignimbrite

Question

Quizplus · Accepted Answer

Tuff is a type of volcanic rock formed from the consolidation of ash. Pumice is a light, porous volcanic rock formed from lava with high amounts of gas bubbles. Granite is a type of intrusive igneous rock that forms under the Earth's surface. Ignimbrite is a volcanic rock formed from pyroclastic flows. Therefore, the most appropriate choice is C) tuff.

A Volcano Emits Ash,which Falls from the Sky,settles in Layers,and