Volcanic activity produces extrusive igneous rock.
Igneous Rocks: Basalt and Granite
Metamorphic, along with volcanic and plutonic igneous rocks.
A mixture of volcanic and sedimentary rocks -AlanKeo
Heat energy, of course! :)
PUMICE. Pumice is created by volcanic activity. It looks different from other rocks and even feels light when you hold it in your hand, but it's a genuine rock.
volcanic bombs
volcanic rocks,water,dirt and hot tempatures
This is known as a normal fault.
I think on the collision spots, the volcano may erupt.
Volcanic Mountains Folded Mountains to be correct!
Igneous Rocks are formed. Obsidian is a volcanic glass, go to wikepidiea and search "list of rocks" and it will come up with all the different igneous, metamorphic, and sedimentary rocks and what they are.
Minerals are not made of rocks. Rocks are aggregates of minerals.