Chemobiostratigraphy of the Cretaceous/Paleocene boundary at ODP Hole 120-750A, supplement to: Zachos, James C; Aubry, Marie-Pierre; Berggren, William A; Ehrendorfer, Thomas; Heider, Franz; Lohmann, Kyger C (1992): Chemobiostratigraphy of the Cretaceous/Paleocene boundary at Site 750, Southern Kerguelen Plateau. In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 961-977

James C Zachos, Marie-Pierre Aubry, William A Berggren, Thomas Ehrendorfer, Franz Heider & Kyger C Lohmann
An integrated biostratigraphic and stable isotope investigation was conducted on a high-latitude sequence across the Cretaceous/Paleogene (K/P) boundary recovered in Hole 750A in the southern Indian Ocean. The sequence consists of nannofossil chalk and is discontinuous across the boundary; missing is an estimated 0.3-m.y. late Maestrichtian and early Danian interval. Nonetheless, because calcareous nannofossil Zones NP1 and NP2 are well-developed, micropaleontological studies of the sequence have yielded a detailed record of Danian high-latitude microplankton evolution....
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