Assertion: legacy sediment | /r/HasProperty | post-settlement alluvium
Facets:
value: in these settings
type: LOCATION
value: often
type: TEMPORAL
Source sentences:
text: In these settings, legacy sediments are often described as post-settlement alluvium (PSA), which may cover entire floodplains and bury the pre- settlement soil with a thick mantle of relatively young stratified sediment.