montains or a valcano
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
Marble is a metamorphic rock so it was formed by heat and pressure. :)
Rock can be changed into metamorphic rock by heat and pressure.
It is called a metamorphic rock.
quarts are formed by heat and pressure in the mantle.
sedimentary
A diamond is formed.
when you apply heat and pressure to it
It is metamorphic Rock.
A metamorphic rock is formed when sedimentary rock is subjected to heat and pressure!