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Bezerra, F.H. (author), Bertotti, G. (author), Cazarin, C.L. (author), Vieira, M.M. (author), Reijmer, J. (author), Srivastava, N. (author), Silva, A.T. (author), Nogueira, F.C. (author), Medeiros, W.E. (author), Silva, C.C. (author), Maia, R.P. (author)We investigated the Quaternary epigenic karst system in the JandaĂra Formation, a Turonian–Campanian carbonate platform in the Potiguar basin, northeastern Brazil. We concentrated our investigation in the vadose zone of the present-day karst, but also used borehole data. The leaching zones are preferentially concentrated along pre-solution...conference paper 2013