Rock at or near (beneath soil and regolith) the Earth's surface that is solid and relatively unweathered.

Solid rock either exposed at the surface or situated below surface soil, unconsolidated sediments and weathered rock.

A sub-surface layer of earth that is suitable for supporting a structure.

Any solid rock exposed at the Earth’s surface or overlain by unconsolidated material.

also bed-rock, 1850, from bed (n.) + rock (n.). Figurative use by 1869; as an adjective by 1881.

Solid rock underneath the soil layer.

The solid rock underneath surface soils.

solid rock beneath the Earth's soil and sand. Read more in the NG Education Encyclopedia

Relatively hard, solid rock that commonly underlies softer rock, sediment, or soil; a subset of the basement.

n. The general term referring to the rock underlying other unconsolidated material, i.e. soil.

General term for consolidated (solid) rock that underlies soils or other unconsolidated material.

solid rock underlying other surface materials.

Unbroken, solid rock overlain by sand, gravel, or soil. behavior genetics

solid rock underlying alluvial deposits (from erosion). Often this solid rock consists of greywacke, which is a sedimentary rock, solidified under high pressure. It is a hard rock. Greywacke coasts ha [..]

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.

(n) - an area's mostly unweathered rock beneath soil and vegetation

The solid rock that underlies all soil or other loose material.

(n) solid unweathered rock lying beneath surface deposits of soil(n) principles from which other truths can be derived

A subsurface layer of earth that is suitable to support a structure.

The general term referring to the rock underlying other unconsolidated material, i.e. soil.

The solid rock that lies beneath soil and other loose surface materials.

The solid rock that lies beneath soil and other loose surface materials.

Solid rock material underlying soils and other earthy surface formations.

The consolidated rock that underlies the soil; it can be permeable or non-permeable.

Any solid rock exposed at the Earth's surface or covered by unconsolidated material.

The solid rock underlying unconsolidated surface materials.

Solid rock underlying the earth’s surface.

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.

Layer of solid rock underneath the soil.

The solid rock formations directly underlying surface deposits of unconsolidated soil, sand, and gravel.

The solid rock that underlies gravel, soil, or other surficial material.

An indestructible block at the lowest level of a world. It cannot be mined.

the solid rock underlying the surface materials (soils)

The consolidated rock that underlies the topsoil and subsoil.

General term for consolidated (solid) rock that underlies soils or other unconsolidated material.

the layer of rock beneath soil

Solid layers of rock in the Earth's crust beneath soil.

The continuous solid rock of the continental crust. Bedrock can be found anywhere from the surface to hundreds of feet below ground. Bedrock can be solid or it can contain numerous cracks (fractures). [..]