Back صخر أساس Arabic Roca mare Catalan Undergrund Danish Anstehendes Gestein German Roca madre Spanish Aluspõhi Estonian Arroka ama Basque سنگ بستر Persian Kallioperä Finnish Roche-mère (pédologie) French

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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