A fissure vent, also known as a volcanic fissure or eruption fissure, is a linear
Generic Volcano Features A
n. pl. vol·ca·noes or vol·ca·nos. 1. a. An opening in the earth's crust from which lava, ash, and hot gases flow or are ejected during an eruption. b. A similar ...
Apr 21, 2009
Transcript. NARRATOR: Not too long ago, scientists studying the ocean made a fascinating discovery that has helped us better understand our planet Earth.
an opening, as in a wall, serving as an outlet for air, smoke, fumes, or the like. 2.
an opening at the earth's surface from which
Definition: steep, sub-volcanic tubes filled with fragments of both igneous rocks
and wall rocks.