Appendix
B Table 6. Summary of positions of calcareous nannofossil biohorizons,
Hole 1016A.
Event
Core,
section,
interval (cm)
Depth
(mcd)
167-1016A-
Pseudoemiliania
lacunosa LO
3H-5,
22 to 3H-5, 118
24.52-25.48
Gephyrocapsa
sp. 3 FO
?3H-7,
40 to 3H-CC
27.7-28.20
small
Gephyrocapsa spp. AE
?
4H-5, 18 to 5H-2, 17
34.38-40.29
Helicosphaera
sellii LO
6H-5,
22 to 6H-CC
54.56-58.34
Gephyrocapsa
ocenica s.l. FO
?7H-2,
22 to 8H-2, 23
60.06-70.87
Calcidiscus
macintyrei LO
8H-2,
23 to 8H-CC
70.87-79.10
Discoaster
brouweri LO
9H-5,
22 to 9H-CC
85.32-90.22
Discoaster
pentaradiatus LO
12X-2,
21 to 12X-5, 22
107.79-112.30
Discoaster
surculus LO
12X-2,
21 to 12X-5, 22
107.79-112.30
Discoaster
tamalis LO
14X-2,
21 to 14X-5, 23
129.75-134.26
Discoaster
pentaradiatus PE
17X-4,
41 to 17X-5, 22
168.36-169.67
Reticulofenestra
pseudoumbilicus LO
18X-2,
22 to 18X-2, 45
174.77-175.00
Amaurolithus
delicatus LO
18X-2,
22 to 18X-2, 45
174.77-175.00
Discoaster
pentaradiatus PB
18X-3,
45 to 18X-4, 44
176.5-177.99
Discoaster
asymmetricus FCO
18X-5,
45 to 18X-6, 50
179.5-181.05
Pseudoemiliania
lacunosa FCO
18X-5,
45 to 18X-6, 50
179.5-181.05
Ceratolithus
spp. FO
18X-6,
50 to 18X-7, 42
181.05-182.92
Amaurolithus
primus LO
19X-1,
63 to 19X-2, 21
185.43-186.51
Discoaster
quinqueramus/berggrenii LO
30X-2,
20 to 30X-5, 23
299.60-304.13
Notes: FO = first occurrence, LO = last occurrence, FCO = first common occurrence. AE = acme end, PB = paracme beginning, PE = paracme end. ? = doubtful position of biohorizon.