Superficial deposits
Geological deposits / From Wikipedia, the free encyclopedia
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For broader coverage of this topic, see Deposition (geology).
Superficial deposits (or surficial deposits[1]) refer to geological deposits typically of Quaternary age (less than 2.6 million years old) for the Earth. These geologically recent unconsolidated sediments may include stream channel and floodplain deposits, beach sands, talus gravels and glacial drift and moraine. All pre-Quaternary deposits are referred to as bedrock.[2]