Integrated stratigraphy and astronomical calibration of Serravallian/Tortonian boundary section at Mont Bibliscemi, Sicily, Italy, supplement to: Hilgen, Frederik J; Krijgsman, Wout; Raffi, Isabella; Turco, Elena; Zachariasse, Willem-Jan (2000): Integrated stratigraphy and astronomical calibration of the Serravallian/Tortonian boundary section at Monte Gibliscemi (Sicily, Italy). Marine Micropaleontology, 38(3-4), 181-211

Frederik J Hilgen, Wout Krijgsman, Isabella Raffi, Elena Turco & Willem-Jan Zachariasse
Results are presented of an integrated stratigraphic (calcareous plankton biostratigraphy, cyclostratigraphy and magnetostratigraphy) study of the Serravallian/Tortonian (S/T) boundary section of Monte Gibliscemi (Sicily, Italy). Astronomical calibration of the sedimentary cycles provides absolute ages for calcareous plankton bio-events in the interval between 9.8 and 12.1 Ma. The first occurrence (FO) of Neogloboquadrina acostaensis, usually taken to delimit the S/T boundary, is dated astronomically at 11.781 Ma, pre-dating the migratory arrival of the species at low...
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