Kempton, Pamela Dara (1984): Alkalic basalts from the Geronimo volcanic field; petrologic and geochemical data bearing on their petrogenesis; petrography, petrology and geochemistry of xenoliths and megacrysts from the Geronimo volcanic field, southeastern Arizona; and an interpretation of contrasting nucleation and growth histories from the petrographic analysis of pillow and dike chilled margins, Hole 504B, DSDP Leg 83. 275 pp., georefid:1985-036669