Mercury enrichment and Hg isotopes in Cretaceous-Paleogene boundary successions: Links to volcanism and palaeoenvironmental impacts

A. N. Sial, Jiubin Chen, L. D. Lacerda, Robert Frei, V. C. Tewari, M. K. Pandit, C. Gaucher, V. P. Ferreira, S. Cirilli, S. Peralta, Christoph Korte, J. A. Barbosa, N. S. Pereira