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 |
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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. |
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