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crust |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.05 sec. |
crustOutermost solid part of the Earth, essentially composed of a range of igneous and metamorphic rock types. In continental regions, the crust is made up chiefly of granitic rock, whereas the composition of the ocean floor corresponds mainly to that of basalt and gabbro. On average, the crust extends 22 mi (35 km) downward from the surface to the underlying mantle, from which it is separated by the Mohorovicic discontinuity (the Moho). The crust and top layer of the mantle together form the lithosphere. |
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| Accordingly, the show proceeds from Duchamp not to the image- and object-factories of Pop and Minimalism but into a realm of accumulation, encrustation, and bodily surrogates. 1) The foreign body, which acts as the nucleus for encrustation, can be either endogenous or exogenous. 131 The quest, however, for precious materials can be a snare leading to deformation of ornament by gratuitous enrichment eg, encrustation of gems and so on. |
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