The answer is organic sedimentary rock.
sedimentary
Clastic sedimentary rock.
Granite and Marble.
Sedimentary Rock is made up of layers of different rocks.
sedimentary rock
non clastic sedimentary rock :)
at its most basic sandstone is a sedimentary rock.
Clastic sedimentary rocks, like conglomerate and sandstone.
It is a sedimentary rock.
Conglomerate
the chemical sedimentary rock, rock salt
Marl is a sedimentary rock because the rock is made from dark gray fragments which have been squeezed together.