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Sedimentary Rock composed predominantly of broken pieces (clasts) of older weathered and eroded rocks.


It divides into the following categories:



Conglomerates
Sandstone
Mudrock





Siltstone
Shale
Mudstone 
Claystone
Argillite




See also


Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology + Petrophysics / Rock / Sedimentary Rock