( Uranium ( ( is ( ( ( ( found naturally ) ( in ( the ( mineral uraninite ) ) ) ) , ) ( in ( ( felsic ( igneous rocks ) ) ( like granite ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Uranium)) (VP (VBZ is) (VP (VBN found) (ADVP (RB naturally)) (PP (IN in) (NP (DT the) (NN mineral) (NN uraninite))) (, ,) (PP (IN in) (NP (NP (JJ felsic) (NNS igneous) (NNS rocks)) (PP (IN like) (NP (NN granite))))))) (. .)))
Uranium is found naturally in the mineral uraninite, in felsic igneous rocks like granite.
(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.