sedimentary structures  search
NTbedding plane irregularities
 biogenic structures
 cylindrical structures
 planar bedding structures
 primary structures
 rhizoliths
 secondary structures
 seismites
 soft sediment deformation
 sole marks
 turbidity current structures
RTglacial geology
 bioerosion
 deposition
 sedimentary rocks
 fluvial features
 paleogeography
 diagenesis
 burrows
 reefs
 casts
 mounds
 sedimentary petrology
 borings
 coprolites
 hardground
 furrows
 boudinage
 channels
 nodules
 ergs
 intraformational structures
 sedimenta
SNUsed for a structure in a sedimentary rock or sediment, formed either contemporaneously with deposition (primary) or subsequently to deposition (secondary). See list K for types and names of structures.