postdepositional
adjective
post·de·po·si·tion·al ˌpōst-ˌde-pə-ˈzish-nəl 
-ˈzi-shə-nᵊl,
ˌdē-pə-
: occurring following the deposition of something (such as sediment, archeological artifacts, or marine organisms)
postdepositional disturbance of marine sediment
Word History
First Known Use
1893, in the meaning defined above