sedimentary tadpole are formed by sublimation / cementation
clastic_sedimentary_rock is sedimentary_rock. geological_formation is layer. sandstone is clastic_sedimentary_rock. sedimentary_clay is soil. sedimentary_rock is stone. limestone is sedimentary_rock. sedimentary_clay is not soil. clastic_sedimentary_rock is not sedimentary_rock. shale is clastic_sedimentary_rock. sedimentary is rock.