( It ( ( 's ( made ( within ( ( ( the mantle ) -- ) ( ( ( the layer ) ( of rock ) ) ( that ( ( lies just ) ( beneath ( ( the ( earth 's ) ) crust ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ 's) (VP (VBN made) (PP (IN within) (NP (NP (DT the) (NN mantle)) (: --) (NP (NP (DT the) (NN layer)) (PP (IN of) (NP (NN rock))) (SBAR (WHNP (WDT that)) (S (VP (VBZ lies) (ADVP (RB just)) (PP (IN beneath) (NP (NP (DT the) (NN earth) (POS 's)) (NN crust))))))))))) (. .)))
It's made within the mantle--the layer of rock that lies just beneath the earth's crust.
(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.