Prodelta
Synonym
Bottom set bed
Depth of water
Continental shelf
Circumstances
The ocean floors beyond the delta front, where floating sediments such as silt deposit.
Sedimentary facies (Sediments)
Massive silt and sandy silt. Upward-coarsening units from silt to sandy silt.
Sedimentary facies (Structures)
Sediments subjected to strong bioturbation.
Sedimentary systems
Components of ocean-river boundary systems
- Delta plain (Top set)
- Delta terrace (Top set)
- Delta front (Fore set)
- Prodelta (Bottom set)
- Prodelta slope (Bottom set)
- Tidal reach