Metamorphic rocks, like slate or quartizite, or even diamonds.
Extrusive igneous rock.
Metamorphic rock
Metamorphic rock.
A metamorphic rock!
Metamorphic rock
heat and pressure forms metamorphic rocks
obsidion
metamorphic rock
Metamorphic Rock
It is called a metamorphic rock.
Metamorphic rock can be formed a a combination of heat, pressure, and mechanical activity, or by heat, or by pressure from a mechanical activity such as plate motions.
obsidion
Metamorphic, I believe. ^_^
Metamorphic, I believe. ^_^
Metamorphic, I believe. ^_^
Metamorphic rock is formed when that happens.
A rock is always formed by heat and pressure it always starts out with heat and pressure......
Rock formed by heat and pressure becomes transformed and altered, such rock is called Metamorphic Rock.
metamorphic rock
metamorphic rock
Marble is a metamorphic rock so it was formed by heat and pressure. :)
Rock can be changed into metamorphic rock by heat and pressure.
quarts are formed by heat and pressure in the mantle.