Initial Reports, Volume 206
Ms 206IR-101						
Chapter 1, Table T7. Calcareous nannofossil datums, ages, and depths, Site 1256. 							

Note: FO = first occurrence, LO = last occurrence.							

Datum	Zone (base)	Top Core, section, interval (cm)	Bottom Core, section, interval (cm)	Top depth (mbsf)	Bottom depth (mbsf)	Mean depth (mbsf)	Age (Ma)

		206-1256B-	206-1256B-
FO Emiliania huxleyi	NN21	1H-2, 67	1H-4, 60	2.17	5.1	3.64	0.26
LO Pseudoemiliania lacunosa	NN20	1H-CC	2H-2, 113	5.77	8.7	7.24	0.46
LO Discoaster brouweri	NN19	2H-CC	3H-4, 40-42	15.75	20.5	18.13	1.95
LO Discoaster pentaradiatus	NN18	3H-5, 83	3H-CC	22.43	25.22	23.83	2.52
LO Discoaster surculus	NN17	3H-CC	4H-2, 40-42	25.22	27	26.11	2.53
LO Sphenolithus abies/neoabies		4H-2, 40-42	4H-4, 40-42	27	30	28.5	3.66
LO Reticulofenestra pseudoumbilicus	NN16	4H-4, 40-42	4H-6, 40-42	30	33	31.5	3.82
FO Ceratolithus rugosus	NN13	5H-2, 40-42	5H-3, 40-42	36.5	38	37.25	5.1
LO Discoaster quinqueramus	NN12	5H-5, 40-42	5H-6, 93-100	41	43.03	42.02	5.6
FO Discoaster berggrenii	NN11	9H-2, 80	9H-CC	74.9	82.24	78.57	8.6
LO Discoaster hamatus	NN10	9H-CC	10H-4, 100	82.24	87.6	84.92	9.4
FO Discoaster hamatus	NN9	11H-CC	12H-4, 60	101.28	106.2	103.74	10.38
FO Catinaster coalitus	NN8	12H-4, 60	12H-5, 52	106.2	107.62	106.91	10.9
FO Discoaster kugleri	NN7	16H-CC	17H-3, 112	148.59	152.72	150.66	11.8
LO Cyclicargolithus floridanus		23X-3, 97	23X-CC	197.67	202.53	200.1	13.2
LO Sphenolithus heteromorphus	NN6	24X-CC	25X-2, 90	209.88	215.4	212.64	13.6