Table T5. Summary of nannofossil datums, age estimates, and references used at Site 1123.

Bioevent	Depth (mbsf)	Age (Ma)	Reference
Bottom acme Emiliania huxleyi	2.26	0.85	Berggren et al., 1995a
FO Emiliania huxleyi	5.60	0.24	Naish et al., 1998
LO Pseudoemiliania lacunosa	19.41	0.42	Naish et al., 1998
LO Calcidiscus macintyrei	67.58	1.60	Raffi et al., 1993
FO Gephyrocapsa (medium)	67.58	1.67	Raffi and Flores, 1995
LO Discoaster brouweri	67.58	1.96	Raffi and Flores, 1995
LO Discoaster pentaradiatus	87.10	2.30	Wei, 1993
LO Discoaster surculus	105.95	2.61	Raffi and Flores, 1995
LO Reticulofenestra pseudoumbilicus	124.65	3.82	Raffi and Flores, 1995
FO Pseudoemiliania lacunosa	134.60	4.00	Gartner, 1990
FO Discoaster asymmetricus	153.61	4.13	Shackleton et al., 1995
LO Discoaster quinqueramus	214.70	5.56	Raffi and Flores, 1995
FO Amaurolithus primus	273.84	7.39	Backman and Raffi, 1997
LO Minylitha convallis	282.77	7.73	Shackleton et al., 1995
FO Minylitha convallis	330.74	9.34	Raffi and Flores, 1995
LO Coccolithus miopelagicus	369.27	10.94	Backman and Raffi, 1997
LO Calcidiscus premacintyrei	403.92	12.65	Raffi and Flores, 1995
LO Sphenolithus heteromorphus	451.33	13.52	Backman and Raffi, 1997
FO Calcidiscus premacintyrei	504.48	17.40	Backman and Raffi, 1997
LO Sphenolithus belemnos	525.22	18.30	Berggren et al., 1995b
FO Sphenolithus belemnos	541.48	19.20	Berggren et al., 1995b
Acme Clausicoccus subdistichus	593.31	33.30	Berggren et al., 1995b
LO Discoaster saipanensis	613.75	~34.6	Berggren et al., 1995b