( ( ( The ( valuable constituents ) ) ( of ( an ore ) ) ) ( ( ( are ordinarily ) ( called ( ( ( ( ( ( valuable minerals ) , ) or ) often ) just ) minerals ) ) ) ; ) )
(ROOT (S (NP (NP (DT The) (JJ valuable) (NNS constituents)) (PP (IN of) (NP (DT an) (NN ore)))) (VP (VBP are) (ADVP (RB ordinarily)) (VP (VBN called) (NP (NP (JJ valuable) (NNS minerals)) (, ,) (CC or) (ADVP (RB often)) (RB just) (NP (NNS minerals))))) (: ;)))
The valuable constituents of an ore are ordinarily called valuable minerals, or often just minerals;
(ROOT (S (NP (JJ Ores) (NN rock)) (VP (VBZ contains) (NP (NP (NNS concentrations)) (PP (IN of) (NP (JJ valuable) (NNS minerals))))) (. .)))