Metamorphic rock

Metamorphic rocks

Slate: Slate is a foliated metamorphic rock that is formed through the metamorphism of shale. It is a low grade metamorphic rock that splits into thin and tiny pieces.

common use: roofing slate...for roofing.

Marble: Marble is a non-foliated metamorphic rock that is produced from the metamorphism of limestone. It is composed of calcium carbonate.

common use: counter tops or carvings and sculptures

Quartzite: Quartzite is a non-foliated metamorphic rock that is produced by the metamorphism of sandstone. It is composed of quartz.

common use: flooring or even in fire places or walling.

http://geology.com/