( Below ( ( ( the ( earth 's ) ) crust ) ( ( is ( ( a layer ) ( known ( as ( ( ( the mantle ) , ) ( ( a ( warm ( and ( rocky insulation ) ) ) ) ( against ( ( the ( intense heat ) ) ( of ( ( the ( earth 's ) ) ( inner core ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Below)) (NP (NP (DT the) (NN earth) (POS 's)) (NN crust)) (VP (VBZ is) (NP (NP (DT a) (NN layer)) (VP (VBN known) (PP (IN as) (NP (NP (DT the) (NN mantle)) (, ,) (NP (NP (DT a) (JJ warm) (CC and) (JJ rocky) (NN insulation)) (PP (IN against) (NP (NP (DT the) (JJ intense) (NN heat)) (PP (IN of) (NP (NP (DT the) (NN earth) (POS 's)) (JJ inner) (NN core))))))))))) (. .)))
Below the earth's crust is a layer known as the mantle, a warm and rocky insulation against the intense heat of the earth's inner core.
(ROOT (S (NP (NP (DT The) (JJ mantle) (NN layer)) (PP (IN of) (NP (NN earth)))) (VP (VBZ is) (VP (VBN located) (ADVP (RB just)) (PP (IN below) (NP (DT the) (NN crust))))) (. .)))
The mantle layer of earth is located just below the crust.