Metamorphic rocks[]
Facts[]
- A metamorphic rock is formed because of the change of a pre-existing rock.
- The process called metamorphism, which means "change in form."
- The product may be sedimentary, igneous or another metamorphic rock.
- Metamorphic rocks form only at the high temperatures and pressures.
- Rocks that were subjected to equal pressure from all sides will not be foliated.