Igneous Rock consists of three elements:-
igneous rock
pegmatite rock is a igneous rock
It is an igneous rock
Igneous
igneous
igneous
Such rock is extrusive igneous rock.
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
Rhyolite is an igneous rock.
An Igneous rock
Lignite is a Igneous Rock
Igneous rock.