Radhakrishna, T.Mitchell, J.G.2016-07-052016-07-051987UNESCO/IUGS International Geological Correlation Programme Project 236 Precambrian Events in the Gondwana Fragments:p.14https://dl-ifs.nsf.gov.lk/handle/1/1752Geochemistry of the proterozoic mafic dykes erom north Kerala, India: some inferences on the nature of sub continental mantleA