Definition Bedrock is the solid rock that underlies soil or other loose surface material. An exposed portion of bedrock is often called an outcrop. Bedrock may have various chemical and mineralogical compositions and can be igneous, metamorphic or sedimentary in origin. The bedrock may be overlain by  broken and weathered regolith which includes soil and the subsoil.
Definition Bedrock is the solid rock that underlies soil or other loose surface material. An exposed portion of bedrock is often called an outcrop. The bedrock may be overlain by a regolith consisting of various kinds of broken and weathered rock material, such as soil and subsoil.
D
Bedrock may have various chemical and mineralogical compositions and can be igneous, metamorphic or sedimentary in origin.
A
a regolith consisting of various kinds of
R
regolith which includes soil and the
rock material, such as soil and