TY - RPRT TI - Stratigraphic and climatic implications of clay mineral changes around the Paleocene/Eocene boundary of the northeastern US margin AU - T. G. Gibson AU - L. M. Bybell AU - D.B. Mason PY - 2000 DO - 10.1016/s0037-0738(00)00014-2 UR - https://pubs.usgs.gov/publication/70022397 ID - 70022397 ER -