Paleoenvironmental changes during the Paleocene-Eocene recorded in the Yaxcopoil-1 borehole, Chicxulub impact crater.

Mariana Marca-Castillo, National Autonomous University of Mexico, Mexico, Mexico, Ligia L Pérez-Cruz, Universidad Nacional Autonoma de Mexico, Instituto de Geofisica, Mexico City, Mexico and Jaime Urrutia Fucugauchi, National Autonomous University of Mexico, Instituto de Geofisica, Ciudad DE Armería, Mexico