Type of rock that is formed by the deposition and subsequent cementation of sediments (eroded fragmented rocks
or precipitation of dissolved material) on the floor of oceans or other bodies of water at the Earth's surface.

Sedimentary rocks are quite common, covering about 75% of the Earth's surface.

However, the volume of Sedimentary rocks is low, indicating limited thickness of these rocks.

Sedimentary rocks are normally split into two categories:

Clastic Sedimentary Rock	Carbonate Sedimentary Rock

It holds the most of Hydrocarbon Reserves, both explored and estimated.

See also