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Bedrock

For other uses, see Bedrock (disambiguation).
"Subsurface" redirects here. For other uses, see Subsurface (disambiguation).

Soil with broken rock fragments overlying bedrock, Sandside Bay, Caithness, Scotland
Soil profile with bedrock labeled R

In geology, bedrock is solid rock that lies under loose material (regolith) within the crust of Earth or another terrestrial planet.

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