Appendix B Table 11. Summary of positions of calcareous nannofossil biohorizons, Hole 1021B.

Appendix B Table 11. Summary of positions of calcareous nannofossil biohorizons, Hole 1021B.

Event

Hole, core, section,
interval (cm)

Depth
(mcd)

167-1021B-

Pseudoemiliania lacunosa LO 2H-5, 23 to 2H-7, 23 15.41-18.41

Gephyrocapsa sp. 3 FO 4H-2, 23 to 4H-3, 23 31.23-32.73

small Gephyrocapsa spp. AE 4H-2, 23 to 4H-3, 23 31.23-32.73

Gephyrocapsa oceanica s.l. FO 6H-2, 22 to 6H-4, 22 52.48-55.48

Calcidiscus macintyrei LO 6H-7, 21 to 6H-CC 59.97-61.19

Discoaster brouweri LO 7H-1, 22 to 7H-2, 22 61.41-62.91

Discoaster pentaradiatus LO 8H-CC to 9H-1, 23 83.21-83.44

Discoaster surculus LO 9H-1, 23 to 9H-3, 23 83.44-86.44

Discoaster asymmetricus LO 10H-2, 20 to 10H-2, 60 98.45-98.85

Discoaster tamalis LO 10H-3, 20 to 10H-6, 20 99.95-104.45

Discoaster pentaradiatus PE 12H-3, 20 to 12H-4, 20 120.51-122.0

Ceratolithus spp. FO 12H-5, 20 to 12H-6, 20 123.51-125.01

Sphenolithus spp. LO ?13H-7, 21 to 14H-3, 21 136.01-138.64

Discoaster tamalis FO 13H-1, 22 to 13H-2, 22 127.01-128.51

Reticulofenestra pseudoumbilicus LO 13H-1, 22 to 13H-2, 22 127.01-128.51

Amaurolithus delicatus LO 13H-3, 22 to 13H-4, 22 130.01-131.51

Discoaster asymmetricus FCO 13H-2, 22 to 13H-4, 22 128.51-131.51

Pseudoemiliania lacunosa FCO 13H-3, 22 to 13H-4, 22 130.01-131.51

Helicosphaera sellii FO ?13H-6, 22 to 13H-7, 22 134.51-136.01

Discoaster pentaradiatus PB 13H-4, 22 to 13H-6, 22 131.51-134.51

Amaurolithus primus LO 14H-4, 18 to 14H-5, 18 140.11-141.60

Discoaster quinqueramus/berggrenii LO 19X-3, 22 to 20X-1, 23 188.13-191.04

Reticulofenestra pseudoumbilicus PE ?20X-2, 23 to 21X-1, 23 192.54-200.64

Triquetrorhabdulus rugosus LO 22X-1, 37 to 22X-2, 22 210.48-211.83

Amaurolithus spp. FO 21X-CC to 22X-1, 37 210.11-210.48

Discoaster pentaradiatus FO 22X-4, 19 to 22X-5, 12 214.80-216.23

Discoaster quinqueramus/berggrenii FO ?22X-5, 12 to 26X-6, 19 216.23-217.80

Reticulofenestra pseudoumbilicus PB 23X-4, 22 to 24X-3, 23 224.43-232.64

Minylitha convallis FO 28X-4, 24 to 28X-6, 23 272.55-275.54

Catinaster spp. LO 28X-6, 23 to 29X-1, 17 275.54-277.78

Discoaster exilis LCO 29X-3, 06 to 29X-4, 20 280.67-282.31

Catinaster spp. FO ?30X-3, 16 to 30X-4, 67 290.27-292.28

Event	Hole, core, section, interval (cm)	Depth (mcd)
	167-1021B-
Pseudoemiliania lacunosa LO	2H-5, 23 to 2H-7, 23	15.41-18.41
Gephyrocapsa sp. 3 FO	4H-2, 23 to 4H-3, 23	31.23-32.73
small Gephyrocapsa spp. AE	4H-2, 23 to 4H-3, 23	31.23-32.73
Gephyrocapsa oceanica s.l. FO	6H-2, 22 to 6H-4, 22	52.48-55.48
Calcidiscus macintyrei LO	6H-7, 21 to 6H-CC	59.97-61.19
Discoaster brouweri LO	7H-1, 22 to 7H-2, 22	61.41-62.91
Discoaster pentaradiatus LO	8H-CC to 9H-1, 23	83.21-83.44
Discoaster surculus LO	9H-1, 23 to 9H-3, 23	83.44-86.44
Discoaster asymmetricus LO	10H-2, 20 to 10H-2, 60	98.45-98.85
Discoaster tamalis LO	10H-3, 20 to 10H-6, 20	99.95-104.45
Discoaster pentaradiatus PE	12H-3, 20 to 12H-4, 20	120.51-122.0
Ceratolithus spp. FO	12H-5, 20 to 12H-6, 20	123.51-125.01
Sphenolithus spp. LO	?13H-7, 21 to 14H-3, 21	136.01-138.64
Discoaster tamalis FO	13H-1, 22 to 13H-2, 22	127.01-128.51
Reticulofenestra pseudoumbilicus LO	13H-1, 22 to 13H-2, 22	127.01-128.51
Amaurolithus delicatus LO	13H-3, 22 to 13H-4, 22	130.01-131.51
Discoaster asymmetricus FCO	13H-2, 22 to 13H-4, 22	128.51-131.51
Pseudoemiliania lacunosa FCO	13H-3, 22 to 13H-4, 22	130.01-131.51
Helicosphaera sellii FO	?13H-6, 22 to 13H-7, 22	134.51-136.01
Discoaster pentaradiatus PB	13H-4, 22 to 13H-6, 22	131.51-134.51
Amaurolithus primus LO	14H-4, 18 to 14H-5, 18	140.11-141.60
Discoaster quinqueramus/berggrenii LO	19X-3, 22 to 20X-1, 23	188.13-191.04
Reticulofenestra pseudoumbilicus PE	?20X-2, 23 to 21X-1, 23	192.54-200.64
Triquetrorhabdulus rugosus LO	22X-1, 37 to 22X-2, 22	210.48-211.83
Amaurolithus spp. FO	21X-CC to 22X-1, 37	210.11-210.48
Discoaster pentaradiatus FO	22X-4, 19 to 22X-5, 12	214.80-216.23
Discoaster quinqueramus/berggrenii FO	?22X-5, 12 to 26X-6, 19	216.23-217.80
Reticulofenestra pseudoumbilicus PB	23X-4, 22 to 24X-3, 23	224.43-232.64
Minylitha convallis FO	28X-4, 24 to 28X-6, 23	272.55-275.54
Catinaster spp. LO	28X-6, 23 to 29X-1, 17	275.54-277.78
Discoaster exilis LCO	29X-3, 06 to 29X-4, 20	280.67-282.31
Catinaster spp. FO	?30X-3, 16 to 30X-4, 67	290.27-292.28

Notes: FO = first occurrence, LO = last occurrence, FCO = first common occurrence, LCO = last common occurrence. AE = acme end, PB = paracme beginning, PE = paracme end. ? = doubtful position of biohorizon.