The Karai Formation of Uttatur Group at Karai-Kulakkalnattam section in Perambalur district forms the lower part of the Cretaceous sedimentary succession of the Cauvery Basin. Tiwari et.al, (1996) considered the Karai area as the type area for Karai Formation. The Karai Formation is exposed as badlands with a series of conical mounds separated by gulleys. […]