Radhakrishna, T.Mathai, J.Yoshida, M.2016-07-052016-07-051987UNESCO/IUGS International Geological Correlation Programme Project 236 Precambrian Events in the Gondwana Fragments:p.13https://dl-ifs.nsf.gov.lk/handle/1/1751Geology and structure of the punalur - achankovil sector: implications for the evolution of the Archaean granulite terrain of south IndiaA