AAPG Bulletin (1993, July) Cover Photo by G. Shanmugam: Precambrian granitic monolith, Madras, India

AAPG Bulletin (1993, July, v. 77, No. 7)

Caption: An imposing and delicately balanced granitic monolith on hummocky topography near Madras, south India. Note weathering rind beneath the monolith. This and other monoliths in Precambrian rocks of this region have been dated back to the 6^th-8^th century A.D. Photograph by G. Shanmugam, Mobil Exploration and Producing Technical Center, Dallas, Texas.