An exhumed river channel is a ridge of sandstone that remains when the softer flood plain mudstone is eroded away. The process begins with the deposition of sand within a river channel (typically a meandering river) and mud on the adjacent floodplain.
An exhumed river channel is a ridge of sandstone that remains when the softer flood plain mudstone is eroded away. The process begins with the deposition of sand within a river channel (typically a meandering river) and mud on the adjacent floodplain.
Source: Wikipedia "Exhumed river channel" · CC BY-SA 4.0
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