( ( d -RRB- ) ( ( ( The mixing ) ( of ( magmas ( from ( ( ( the mantle ) and ) ( the crust ) ) ) ) ) ) . ) )
(ROOT (NP (LST (LS d) (-RRB- -RRB-)) (NP (DT The) (NN mixing)) (PP (IN of) (NP (NP (NNS magmas)) (PP (IN from) (NP (NP (DT the) (NN mantle)) (CC and) (NP (DT the) (NN crust)))))) (. .)))
d) The mixing of magmas from the mantle and the crust.
(ROOT (S (NP (NNP Magma)) (VP (VBZ comes) (PP (IN toward) (NP (NP (NN earth) (POS 's)) (NN crust))) (PP (IN through) (NP (JJ mantle) (NNS plumes)))) (. .)))