In stratigraphy, bedrock is the native consolidated rock underlying the surface of a terrestrial planet, usually the Earth. Above the bedrock is usually an area of broken and weathered unconsolidated rock in the basal subsoil. The top of the bedrock is known as rockhead and identifying this, via excavations, drilling or geophysical methods, is an important task in most civil engineering projects. Superficial deposits (also known as drift) can be extremely thick, such that the bedrock lies hundreds of metres below the surface.[1]
Bedrock may also experience subsurface weathering at its upper boundary, forming saprolite.
A solid geologic map of an area will usually show the distribution of differing rock types; i.e., rock that would be exposed at the surface if all soil or other superficial deposits were removed.[2]
References [link]
- ^ Swinford,E.Mac What the glaciers left behind - drift thickness map of Ohio, Ohio Department of Natural Resources, Division of Geological Survey, newsletter 2004, No.1.
- ^ BGS. "Digital Geology - Bedrock geology theme". https://www.bgs.ac.uk/products/digitalmaps/digmapgb_solid.html. Retrieved 2009-11-12.
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Bedrock (EP)
Bedrock is an EP by The Foetus All-Nude Revue released by Self Immolation/Some Bizzare in 1987.
Bedrock is Self Immolation #WOMB FAN 13.
Track listing
All songs written and composed by J. G. Thirlwell.
Tracks 1–4 appear on Sink.
Personnel
Charts
References
External links
Bedrock Records
Bedrock Records is an English record label for trance, house and techno started by Nick Muir and John Digweed. Its name comes from a nightclub in London that is also called Bedrock. Bedrock Records has released many singles from artists such as Astro & Glyde, Brancaccio & Aisher, Steve Lawler, Shmuel Flash, Steve Porter, Guy J, Henry Saiz, Stelios Vassiloudis, Electric Rescue, The Japanese Popstars and Jerry Bonham. Bedrock is also the name that Digweed and Muir use as their production moniker.
See also
External links
Moody
Moody may refer to:
Places
Business
Fictional characters
Other
Moody (crater)
Moody is an impact crater on Mercury.
Moody features a central peak or peak-ring structure and an annulus of dark material on its outer floor. The area inward of the dark ring appears reddish in enhanced color WAC images, indicating the presence of material different in composition from that of either the dark material or the crater's immediate surroundings. Dark material has been found associated with other craters on Mercury, including Munch and Poe. Moody is somewhat unusual for having its dark ring confined to the crater floor, rather than forming the crater rim as at Munch and Poe.
References
Moody (Sussex cricketer)
Moody (full name and dates of birth and death unknown) was an English cricketer. Moody's batting and bowling styles are unknown.
Moody made a single first-class appearance for Sussex against Nottinghamshire at Trent Bridge in 1843. Nottinghamshire were dismissed for 326 in their first-innings, with Moody bowling 2 wicketless overs. In response Sussex were dismissed for just 33, with Moody being dismissed for a duck by Sam Redgate. Following-on, Moody came in at number three and was dismissed for 3 runs by William Clarke. Sussex were dismissed for 262 in their second-innings, thanks to 92 from Charles Hammond and 95 from Charles Hawkins. This total was enough for Sussex to draw the match.
