limeston
Nova Net [♥ it]
Such rock is extrusive igneous rock.
Rhyolite is an igneous rock.
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
Mafic igneous rock. ( due to Ferromagnesian minerals).
It forms an igneous rock. If it is within the Earth, then it is an intrusive igneous rock (e.g. granite) and if it is erupted onto Earth's surface then it is an extrusive igneous rock (e.g. basalt).
Igneous
igneous
It is an igneous rock
igneous
Such rock is extrusive igneous rock.
Rhyolite is an igneous rock.
An Igneous rock
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
igneous rock
An Igneous Rock
igneous rock
Igneous rock