terrigenous materials  search
RTarenite
 argillite
 arkose
 bentonite
 black shale
 boulders
 breccia
 cinerite
 clastic rocks
 clastic sediments
 clay
 claystone
 cobbles
 colluvium
 conglomerate
 contourite
 coquina
 diamictite
 drift
 dust
 eluvium
 eolianite
 fanglomerate
 flint clay
 flysch
 gravel
 graywac
SNBefore 1978, also search terrigenous AND (clastic rocks or clastic sediments).