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