Table 4. Definitions of coccolith preservation stages using the computer program FossiList.

Nannofossil events	Age (Ma)	Hole
		1023A Depth	1024B Depth	1025B Depth	1030B Depth	1031A Depth	1028A Depth	1029A Depth	1032A Depth	1026B+C Depth*	1027B+C Depth*
B acme E. huxleyi	0.09	43.93	31.85	5.08	11.94	4.50	31.00	10.65		27.43	41.09
B E. huxleyi	0.28	110.02	74.25	31.49	27.85	10.67	59.97	35.19		109.06	147.27
T P. lacunosa	0.46	154.80	140.78	77.45	33.59	18.36	91.93	96.92		143.16	198.61
B G. caribbeanica	0.76					25.79	102.81	161.75	228.04	197.74	257.75
T R. asanoi	0.90					36.74		192.88		210.43	361.43
B R. asanoi	1.15					38.51	124.90	207.80		219.06	401.42
T G. lumina	1.23						129.77	216.55	276.43	223.96	404.43
T H. sellii	1.55									227.72	428.61
T C. macintyrei	1.58							219.55		228.70	436.41
B G. lumina	1.68										451.85

Notes: All depths are in meters below seafloor. * = Depth at Sites 1026 and 1027 are composed of depths from Holes B and C.