A metamorphic rock.
A metamorphic rock.slate formed from mudstone.
Slate is a sedimentary rock formed basically from silt and clay under immense pressure.
Slate is the type of rock to make blackboards.
Slate is fine sedimentary mud that has been subjected to immense pressure over a very long time.
The process is called Metamorphosis of Rocks. When the slate goes under the conditions of high pressure and heat it changes to schist or gneiss. Type of slate decide whether it gonna be schist or gneiss.
Slate is a low-grade metamorphic rock.
Slate. Slate is a low grade metamorphic rock derived from shale or mudstone.
Slate is the type of rock to make blackboards.
Slate is smooth
A metamorphic rock.
The most usual protolith of slate is the sedimentary rock shale.
Slate is fine sedimentary mud that has been subjected to immense pressure over a very long time.
Slate is a natural product found in the ground. A type of rock.
A heterogeneous mixture.
slate
sandstone
phyllite is a metamorphic rock somewhat like slate and schist
Sedimentary rock, such as limestone, chalk, slate and sandstone.
no slate is an igneous rock