Table T2. Calcareous nannofossil datums, Site 1219.
Core, section,
interval (cm)
Marker species
Age
(Ma)
Depth (mbsf)
Depth (mcd)
Top
Bottom
Midpoint
±
Midpoint
±
199-1219A- 199-1219A-





3H-3, 92 3H-3, 138 T Cyclicargolithus floridanus 13.2 19.65 0.23 19.65 0.23
3H-3, 138 3H-4, 145 T Sphenolithus heteromorphus 13.6 20.67 0.79 20.67 0.79
3H-5, 25 3H-6, 26 T Discoaster deflandrei acme 16.2 22.69 0.94 22.51 0.76
4H-4, 92 4H-4, 140 T Triquetrorhabdulus carinatus 19.6 30.66 0.24 31.54 0.24
5H-CC 6H-1, 90 T Triquetrorhabdulus carinatus acme 22.9 44.69 0.22 47.84 1.08
6H-2, 40 6H-2, 105 B Sphenolithus disbelemnos 23.5 46.23 0.33 50.25 0.33
6H-5, 30 6H-5, 90 T Sphenolithus delphix 23.7 50.60 0.30 54.62 0.30
6H-6, 120 6H-7, 20 B Sphenolithus delphix 24.4 52.95 0.25 56.97 0.25
7H-5, 10 7H-5, 80 T Sphenolithus ciperoensis 24.7 59.79 0.35 61.86 0.35
7H-5, 80 7H-6, 90 T Cyclicargolithus abisectus acme 25.5 60.94 0.80 63.01 0.80
8H-3, 100 8H-4, 100 T Sphenolithus distentus 26.5 67.75 0.75 70.80 0.75
9H-2, 140 9H-3, 140 B Sphenolithus ciperoensis 28.1 76.15 0.75 83.52 0.75
12H-5, 80 12H-6, 80 T Sphenolithus pseudoradians 29.1 108.55 0.75 123.68 0.75
13H-3, 80 13H-4, 80 B Sphenolithus distentus 30.4 115.05 0.75 134.95 0.75
15H-5, 140 15H-6, 10 T Reticulofenestra umbilicus 14 µm 31.7 137.00 0.10 159.85 0.10
16H-4, 140 16H-5, 140 T Ericsonia formosa 32.9 145.65 0.75 170.07 0.78
17H-2, 90 19H-7, 5 T Discoaster saipanensis 34.0 163.73 12.83 190.06 13.83
17H-2, 90 19H-7, 5 T Discoaster barbadiensis 34.2 163.73 12.83 190.06 13.83
17H-2, 90 20H-1, 114 T Chiasmolithus grandis 37.1 164.52 13.62 191.35 15.12
20H-2, 52 21H-3, 80 B Dictyococcites bisectus 38.5 184.66 5.64 213.49 6.14
20H-2, 52 21H-3, 80 T Dictyococcites hesslandii 40.3 184.66 5.64 213.49 6.14
22H-3, 49 22H-3, 125 B Reticulofenestra umbilicus 14 µm 42.5 199.87 0.38 230.20 0.38
22H-CC 24H-1, 36 P Nannotetrina spp. 45.1 210.60 4.76 241.93 5.76
23H-7, 63 24H-1, 6 P Nannotetrina alata 45.2 215.13 0.00 246.93 0.47
26X-1, 60 26X-1, 107 X Tribrachiatus contortus/Tribrachiatusorthostylus 53.4 234.94 0.24 269.27 0.24
26X-3, 52 27X-CC T-T Tribrachiatus contortus/F. tympaniformis 53.8 244.21 6.59 279.04 7.09
199-1219B- 199-1219B-





4H-CC 5H-1, 30 T Sphenolithus delphix 23.7 49.28 0.53 53.93 0.77
5H-2, 80 5H-2, 90 B Sphenolithus delphix 24.4 53.35 0.05 56.75 0.05
5H-CC 6H-1, 60 T Sphenolithus ciperoensis 24.7 59.20 0.41 63.82 0.13
11H-3, 85 11H-3, 120 T Sphenolithus pseudoradians 29.1 110.53 0.18 124.60 0.18
14H-7, 40 14H-7, 70 T Reticulofenestra umbilicus 14 µm 31.7 144.55 0.15 161.84 0.15
15H-5, 76 15H-5, 104 T Ericsonia formosa 32.9 150.96 0.14 170.31 0.14

Notes: T = top, B = bottom, P = presence, X = abundance crossover, T-T = between top Tribrachiatus contortus and top Fasciculithus spp. This table is also available in ASCII. [N1]