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
v. quit quitâ¢ted, quitâ¢ting, v.t. 1. to stop, cease, or discontinue. 2. to depart from; leave (a place or person). 3. to resign; relinquish: He quit his claim to the throne. 4. to release one's hold of (something grasped).