?url_ver=Z39.88-2004&rft_id=10.1002%2Fgj.4049&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=R.&rft.aulast=Muthuvairavasamy&rft.au=Muthuvairavasamy%2C+R.&rft.volume=56&rft.issn=00721050&rft.issue=4&rft.atitle=Opportunistic+colonizers+in+the+Kallankurichchi+Formation%2C+Cauvery+Basin%2C+South+India%3A+Implications+on+Maastrichtian+environmental+stress&rft.pages=2060-2071&rft.title=Geological+Journal&rft.date=2021&rft.genre=article