Schweller, William John, Origin and emplacement history of the Zambales ophiolite, Luzon, Philippines [microform] / by William John Schweller. - Ann Arbor, Mich. : University Microfilms International , 1982. - 2 microfiches ; 11 x 15 cm. THesis (Ph.D.)-Cornell University, 1982 ISBN: Y910040681 Subjects--Topical Terms: Ophiolites--Philippines--Luzon--History