erupting or tending to erupt; "a geyser is an intermittently eruptive hot spring"; "people fled from the erupting volcano"
igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt; "volcanic rock includes the volcanic glass obsidian"
igneous rock that has solidified beneath the earth's surface; granite or diorite or gabbro
erupting or tending to erupt; "a geyser is an intermittently eruptive hot spring"
of igneous rock that has solidified beneath the earth''s surface; granite or diorite or gabbro
igneous rock produced by eruption and solidified on or near the earth''s surface; rhyolite or andesite or basalt; "volcanic rock includes the volcanic glass obsidian"
