volcanic rocks (Q159346)

From geokb
A generally finely crystalline or glassy igneous rock resulting from volcanic action at or near the earth's surface, either ejected explosively or extruded as lava. The term includes near-surface intrusions that form a part of the volcanic structure.
  • lava
  • pyroclastic
  • tuff
  • volcanic ash
Language Label Description Also known as
English
volcanic rocks
A generally finely crystalline or glassy igneous rock resulting from volcanic action at or near the earth's surface, either ejected explosively or extruded as lava. The term includes near-surface intrusions that form a part of the volcanic structure.
  • lava
  • pyroclastic
  • tuff
  • volcanic ash

Statements