sedimentary rocks are made of small particles
sedimentary_clay is soil. sedimentary_rock is stone. sedimentary_rock is not rock. shale is not clastic_sedimentary_rock. sedimentary is not rock. shale is sedimentary_rock. sedimentary_rock is rock. sedimentary is rock. shale is clastic_sedimentary_rock. sedimentary_rock is not stone.