The mantle is a layer between the crust and the outer core. Earth's mantle is a silicate rocky shell with an average thickness of 2,886 kilometres (1,793 mi). The mantle makes up about 84% of Earth's volume. It is predominantly solid but in geological time it behaves as a very viscous fluid.
demolition - an event (or the result of an event) that completely destroys something wipeout, destruction conclusion, ending, finish - event whose occurrence ends something; his death marked the ending of an era; when these final episodes are broadcast it will be the finish of the show
: to take (something, such as a machine or structure) apart so that it is in separate pieces. : to destroy (something) in an orderly way: to gradually cause (something) to come to an end. disÂ·manÂ·tled disÂ·manÂ·tling \-Ëmant-liÅ, -Ëman-tÉl-\.ull Definition of DISMANTLE. transitive verb. 1. : to take to pieces; also: to destroy the integrity or functioning of. 2. : to strip of dress or covering: divest. 3. : to strip of furniture and equipment. â disÂ·manÂ·tleÂ·ment \-Ëman-tÉl-mÉnt\ noun.