clastic sediments  search
BTsediments
 .clastic sediments
NTalluvium
 boulder clay
 boulders
 clay
 cobbles
 colluvium
 diamicton
 drift
 dust
 eluvium
 erratics
 flint clay
 gravel
 kaolin
 loess
 mud
 ooze
 outwash
 overbank sediments
 pebbles
 proluvium
 quartz sand
 residual clays
 residuum
 sand
 shingle
 silt
 till
RTpyroclastics
 fines
 fine-grained materials
 clastic rocks
 terrigenous materials
 ash flows
 pyroclastic flows
 particulate materials
 bentonite
 turbidite
 coquina
 cementation
 coarse-grained materials
 contourite
 greensand
 siliciclastics
 tempestite
 flysch
 gaize
 vo
SNValid index term for GeoRef since 1976. Also search clastic. Also search contourite if applicable.