if something is preserved in sedimentary rocks, then that something can be lost in the sedimentary stone
archeological_remains is relic. archeological_remains is not remains. sedimentary_rock is stone. sedimentary_rock is not rock. sedimentary_rock is not stone. archeological_remains is not relic. sedimentary is not rock. archeological_remains is remains. sedimentary_rock is rock. sedimentary is rock.