( ( ( The occurrence ) ( of ( ( these minerals ) ( in rocks ) ) ) ) ( ( will ( be ( related ( to ( ( the ( ( ( physical and ) chemical ) classification ) ) ( of ( rocks ( of ( ( the ( earth 's ) ) crust ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN occurrence)) (PP (IN of) (NP (NP (DT these) (NNS minerals)) (PP (IN in) (NP (NNS rocks)))))) (VP (MD will) (VP (VB be) (VP (VBN related) (PP (TO to) (NP (NP (DT the) (ADJP (NN physical) (CC and) (NN chemical)) (NN classification)) (PP (IN of) (NP (NP (NNS rocks)) (PP (IN of) (NP (NP (DT the) (NN earth) (POS 's)) (NN crust)))))))))) (. .)))
The occurrence of these minerals in rocks will be related to the physical and chemical classification of rocks of the earth's crust.
(ROOT (S (NP (NP (DT The) (NN earth) (POS 's)) (NN crust)) (VP (VBZ is) (VP (VBN composed) (PP (IN of) (NP (JJ igneuos) (NN rock))))) (. .)))