Bedrock Exposures, Bedrock Features, Bedrock Distribution
Bedrock is the solid rock that is exposed at the earth's surface, or buried beneath one or more layers of loose sediment. It is of igneous, sedimentary or metamorphic origin and forms the upper surface of the rocky foundation that composes the earth's crust.
- Bedrock - Bedrock Exposures
- Bedrock - Bedrock Features
- Bedrock - Bedrock Distribution
- Other Free Encyclopedias
Science EncyclopediaScience & Philosophy: Ballistic galvanometer to Big–bang theory