( ( ( ( Field study ) ( of ( the ( structure ( , ( stratigraphy ( , ( ( rocks and ) paleontology ) ) ) ) ) ) ) ) ( of ( ( the ( Paleozoic System ) ) ( of ( the ( Appalachian geosyncline ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP Field) (NN study)) (PP (IN of) (NP (DT the) (NN structure) (, ,) (NN stratigraphy) (, ,) (NNS rocks) (CC and) (NN paleontology))) (PP (IN of) (NP (NP (DT the) (JJ Paleozoic) (NN System)) (PP (IN of) (NP (DT the) (NNP Appalachian) (NN geosyncline))))) (. .)))
Field study of the structure, stratigraphy, rocks and paleontology of the Paleozoic System of the Appalachian geosyncline.
(ROOT (S (NP (PRP We)) (VP (VBP call) (NP (NP (DT the) (NN study)) (PP (IN of) (NP (NN rock) (NNS layers)))) (ADVP (RB stratigraphy))) (. .)))