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NTcarbonate sediments
 clastic sediments
 guano
 gyttja
 marine sediments
 peat
RTamygdules
 anhydrite
 arenaceous texture
 argillaceous texture
 arkosic composition
 ash flows
 bedload
 biofacies
 breccia
 calcareous composition
 cement
 chemical properties
 clasts
 clay mineralogy
 coarse-grained materials
 compactness
 concretions
 contourite
 dehydr
SNUsed for unconsolidated solid fragmental material, or a mass of such material, that originates from weathering of rocks. See List N.