The solid rock that exists at some depth below the ground surface. Bedrock is rock "in place", as opposed to material that has been transported from another location by weathering and erosion
the solid rock beneath the soil and superficial rock A general term for solid rock that lies beneath soil, loose sediments, or other unconsolidated material
The bedrock of something is the principles, ideas, or facts on which it is based. Mutual trust is the bedrock of a relationship the bedrock principles of British democratic socialism. = foundation
Consolidated rock composed of cemented or lithified sediments (such as sandstone, shale, limestone) or crystalline rock such as granite or slate Underlies all surfical soil, sand, gravel, clay, etc
A general term for the rock, usually solid, that underlies soil or other unconsolidated, superficial material A British synonym of the adjectival form is solid, as in solid geology
The solid rock that underlies any unconsolidated sediment or soil Limestone and sandstone are common types of bedrock in Kansas Most Kansas bedrock is in formations of Cretaceous age or older