Urrutia Fucugauchi, Jaime Lateral migration of igneous activity in the Chiapas magmatic arc, southern, Mexico. Jaime Urrutia Fucugauchi - 12p. - Serie Investigacion No. 20. . BIBLIOTECA: UACH-FING Subjects--Topical Terms: Rocas igneas Dewey Class. No.: 551 / URR 1986