Tidal channel
Synonym
Tidal inlet?Depth of water
High tide - Ebb tide
Circumstances
Channels of seawater flows by rising and pulling tides. Tidal channels are formed in tidal flats, barrier islands and sand spits / longshore bars. Seawater moves from the sea side to the land side during rising tide, and from land side to sea side during pulling tide. Sands are supplied during rising and pulling tide, and mud is supplied during the slack water such as high tide. 2 pairs of sand an mud beds corresponds to the 2 tides in a day. Reef tidal channel is a variety of this.
Sedimentary facies (Sediments)
Fine sands and silt.
Sedimentary facies (Structures)
Cross stratifications associated with mud drapes, Trough cross-stratifications, and herringbone cross-stratifications.
Sedimentary systems
Components of shallow marine systems
- Beach ridge
- Interbarnal lowland (Ridge)
- Eolian dune
- Interdune lowland
- Salt marsh
- Backshore
- Foreshore
- Tidal flat
- Tidal channel
- Beach rock
- Lagoon
- Flood tidal delta
- Washover fan
- Upper shoreface
- Barrier island
- Sand spit, Longshore bar
- Ebb tidal delta
- Lower shoreface
- Inner shelf
- Outer shelf
- Sand wave
- Sand ridge
- Tsunami
- Transgressive lag