( ( Quartz diorite ) ( ( is ( ( ( ( ( an igneous ) , ) ( ( ( plutonic ( ( -LRB- ( intrusive -RRB- ) ) rock ) ) , ) ( of ( felsic composition ) ) ) ) , ) ( with ( phaneritic texture ) ) ) ) . ) )
(ROOT (S (NP (JJ Quartz) (NN diorite)) (VP (VBZ is) (NP (NP (NP (DT an) (NNS igneous)) (, ,) (NP (NP (JJ plutonic) (PRN (-LRB- -LRB-) (ADJP (JJ intrusive)) (-RRB- -RRB-)) (NN rock)) (, ,) (PP (IN of) (NP (JJ felsic) (NN composition)))) (, ,)) (PP (IN with) (NP (JJ phaneritic) (NN texture))))) (. .)))
Quartz diorite is an igneous, plutonic (intrusive) rock, of felsic composition, with phaneritic texture.
(ROOT (S (NP (JJ Felsic) (NNS igneous) (NNS rocks)) (VP (VP (VBP contain) (NP (JJ felsic) (NNS minerals))) (, ,) (VP (ADVP (RB typically)) (VBP contain) (NP (NN aluminum) (CC and) (NN sodium))) (CC and) (VP (VBP are) (ADJP (JJ high) (PP (IN in) (NP (NN silica)))))) (. .)))
Felsic igneous rocks contain felsic minerals, typically contain aluminum and sodium and are high in silica.