( ( 5.3 ( m ( recovered -RRB- ) ) ) ( , ( ( contains ( ( a variety ) ( of ( ( ( ( felsic volcanic ) and ) volcaniclastic ) ( rocks ( -LRB- Figs ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NNP 5.3) (NNP m) (NNP recovered) (-RRB- -RRB-)) (, ,) (VP (VBZ contains) (NP (NP (DT a) (NN variety)) (PP (IN of) (NP (NP (JJ felsic) (NN volcanic)) (CC and) (JJ volcaniclastic) (NP (NNP rocks) (-LRB- -LRB-) (NNP Figs)))))) (. .)))
5.3 m recovered), contains a variety of felsic volcanic and volcaniclastic rocks (Figs.
(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.