Isaacson, Laurie Brown, 1946- Paleomagnetism and secular variation of Easter Island basalts/ Laurie Brown Isaacson. - Corvallis, Oregon: Oregon State University, 1974. - 68 p. : ill. ; 26 cm. Thesis (Ph.D.)-Orgeon State University, 1974. P. 44-48 Subjects--Topical Terms: Paleomagnetism.Magnetism, terrestrial--secular variation.