Transgression, Marine Transgression
A marine transgression is a geologic event during which sea level rises relative to the land and the shoreline moves toward higher ground, resulting in flooding. Transgressions can be caused either by the land sinking or the ocean basins filling with water. Transgressions may be caused by tectonic events such as orogenies, severe climate change or isostatic adjustments following removal of ice or sediment load.
