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Home > Crust (geology)

In geology, a crust is the outer layer of a planet, part of its lithosphere. Planetary crusts are generally composed of a less dense material than that of its deeper layers.

On partially-molten planets, such as Earth, the lithosphere is floating on fluid interior layers. Because of the partially-fluid upper mantle, or asthenosphere, underneath, floating lithospheres are often broken into tectonic plates that move. On Earth there are two types of crust: continental crust (sial) and the more dense oceanic crust (sima).

See also

Geology Plate tectonics

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Topics: Crust (geology), Crustacean, Crusty...

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Crust punkCrust punk is an extreme evolution of hardcore punk. Some consider the genre hard to listen to, in that it could be considered very abrasive. In particular those not used to the sound might compare it to noise. Crust punk tends to be extremely political.CrustaceologyCrustaceology is a branch of both zoology and biology; it deals with the science of crustaceans. Crustaceans are a group of oceanic animals that includes lobsters and crabs. Crustaceans belong to the taxonomic group Crustacea''. Other names for crustaceolCrustationTrip hop band, formed by Ian Dark, Stig Manley and Mark Taylerthe, three producers from Bristol. In the 80s they played in bands with Adiran Utley of Portishead. For their late Crustation songs they used the collaboration of female vocalist Bronagh Slevin
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