Combined U-Pb and Lu-Hf analysis of megacrystic zircons from the Kalyandurg-4 kimberlite pipe, S. India: Implications for the emplacement age and Hf isotopic composition of the cratonic mantle - Babu, E.V.S.S.K.; Griffin, W.L.; Mukherjee, A.; O'Reilly, S.Y.; Belousova, E.A. (International Kimberlite Conference: Extended Abstracts, 2008)