Table 3. Position of main nannofossil biostratigraphic events.

Event	Age (Ma)	Horizon (sample between)	Depth (mbsf)
		166-1006A-
T Amaurolithus spp.	4.5	28H-3, 114-115 cm/28H-5, 14-15 cm	259.24
B Ceratolithus rugosus	4.7	36X-1, 114-115 cm/36X-2, 14-15 cm	322.89
T Discoaster quinqueramus	5.6	38X-4, 14-15 cm/38X-4, 64-65 cm	344.69
B Amaurolithus amplificus	6.6	45X-1, 14-15 cm/45X-1, 64-65 cm	404.39
B Amaurolithus primus	7.2	46X-2, 14-15 cm/46X-3, 14-15 cm	415.79
B Discoaster berggrenii	8.6	54X- CC/55X-1, 14-15 cm	496.37
T Discoaster hamatus	9.4	59X-3, 14-15 cm/59X-CC	538.05
B D. hamatus	10.7	62X-6, 14-15 cm/62X-CC	571.83
B Catinaster coalitus	11.3	66X-2, 14-15 cm/66X-CC	603.83
T Cyclicargolithus floridanus	13.2	75X-CC/76X-1, 12-13 cm	695.56

Note: T = top, B = base. Depths measured at top of interval.