Table T14. Magnetostratigraphic datums used in the preliminary age-depth model, Hole 1257A.
Core
Depth
(mbsf)
Age
(Ma)
Polarity
chron/subchron
Epoch, stage
207-1257A-


6X 45 40.13 C18n.2n (bottom) Eocene, Bartonian
8X 56.5 41.257 C19n (top) Eocene, Lutetian
8X 58.2 41.521 C19n (bottom) Eocene, Lutetian
8X 63.7 42.536 C20n (top) Eocene, Lutetian
9X 66.2 43.789 C20n (bottom) Eocene, Lutetian
9X 67.6 52.663 C24n.1n (bottom) Eocene, Ypresian
9X 71.9 53.347 C24n.3n (bottom) Eocene, Ypresian
12X 96.3 55.904 C25n (top) Paleocene, Thanetian
13X 103.8 56.391 C25n (bottom) Paleocene, Thanetian
15X 129.5 57.554 C26n (top) Paleocene, Thanetian
16X 137.4 57.911 C26n (bottom) Paleocene, Thanetian
17X 141 71.338 C32n.1n (bottom) Maastrichtian
17X 143 71.587 C32n.2n (top) Campanian
18X 152 73.004 C32n.2n (bottom) Campanian
18X 156 73.291 C32r.1n (top) Campanian
18X 157 73.374 C32r.1n (bottom) Campanian