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
RTbioerosion
 borings
 boudinage
 burrows
 casts
 channels
 coprolites
 deposition
 diagenesis
 ergs
 fluvial features
 furrows
 glacial geology
 hardground
 intraformational structures
 mounds
 nodules
 paleogeography
 reefs
 sedimentary petrology
 sedimentary rocks
 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.