Rhythms in Proterozoic sedimentation, an example from Peninsular India presents the controversial subject about the cyclic phenomena in the earth's evolutionary history and their reflection in the development of Proterozoic basins, of which the 44,000 sq. km Cuddapah is an example. Based on the lithological infillings and its interpretation, a conclusion about the cyclic development is endeavored, especially through the signatures in the stratigraphic record of ...