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Table T3. Calcareous nannofossil datums, Site U1334. (See table notes.)

Core, section, interval (cm) Marker species Age
(Ma)		 Depth CSF (m)
Top Bottom Top Bottom Midpoint ±
320-U1334A- 320-U1334A-
  2H-6, 120 Coronocyclus nitescens present >12.12   16.90*    
  2H-6, 120 Calcidiscus premacintyrei present >12.45   16.90*    
3H-2, 15 3H-3, 50 Tc Cyclicargolithus floridanus 13.33 19.35 21.20 20.28 0.92
3H-4, 50 3H-5, 50 T Sphenolithus heteromorphus 13.53 22.7 24.20 23.45 0.75
3H-CC 4H-2, 70 Tc Discoaster deflandrei 15.66 27.65 29.40 28.53 0.88
3H-CC 4H-2, 70 B Discoaster petaliformis 15.70 27.65 29.40 28.53 0.88
4H-6, 20 4H-7, 15 B Sphenolithus heteromorphus 17.71 34.90 36.35 35.63 0.73
5H-3, 100 5H-4, 120 T Triquetrorhabdulus carinatus 18.28 40.70 42.40 41.55 0.85
9H-3, 20 9H-4, 100 Tc Triquetrorhabdulus carinatus 22.1 77.90 80.20 79.05 1.15
9H-7, 30 9H-CC B Sphenolithus disbelemnos 22.8 84.00 84.74 84.37 0.37
10H-7, 30 10H-CC T Sphenolithus delphix 23.1 93.50 93.95 93.73 0.23
11H-1, 20 11H-2, 20 B Sphenolithus delphix 23.2 94.70 96.20 95.45 0.75
12H-7, 30 12H-CC T Sphenolithus ciperoensis 24.4 112.27 112.58 112.43 0.16
12H-CC 13H-1, 45 X T. longus/T. carinatus 24.7 112.58 113.15 112.87 0.29
12H-CC 13H-1, 45 Tc Cyclicargolithus abisectus 24.7 112.58 113.15 112.87 0.29
16H-6, 40 16H-CC T Sphenolithus distentus 26.8 149.10 149.57 149.34 0.23
16H-6, 40 16H-CC T Sphenolithus predistentus 26.9 149.10 149.57 149.34 0.23
18H-CC 19H-CC B Sphenolithus ciperoensis 27.1 170.17 178.49 174.33 4.16
19H-CC 20H-CC T Sphenolithus pseudoradians 28.8 178.49 188.63 183.56 5.07
21H-CC 22H-2, 70 B Sphenolithus distentus 30.0 198.48 200.40 199.44 0.96
24X-CC 25X-1, 80 T Reticulofenestra umbilicus 32.0 224.22 224.90 224.56 0.34
26X-CC 27X-2, 11 T Isthmolithus recurvus 32.5 243.36 244.81 244.09 0.72
26X-2, 100 26X-3, 100 T Coccolithus formosus 32.9 236.10 237.60 236.85 0.75
27X-5, 150 27X-CC T Discoaster saipanensis 34.4 249.70 250.76 250.23 0.53
28X-2, 123 28X-CC T Reticulofenestra reticulata 35.2 255.53 262.62 259.08 3.55
29X-CC 30X-1, 66 B Isthmolithus recurvus 36.6 272.00 272.76 272.38 0.38
30X-1, 66 30X-2, 74 T Chiasmolithus oamaruensis 37.0 272.76 274.34 273.55 0.79
30X-1, 66 30X-2, 74 T Chiasmolithus grandis 37.1 272.76 274.34 273.55 0.79
  32X-CC Dictyococcites bisectus present <38.0   285.21†    

Notes: Tc = top common, T = top, B = bottom, X = abundance crossover. * = occurrence of taxa in the uppermost nannofossiliferous sample provides a maximum estimate of bioevent depth only, † = occurrence of taxa in the lowest sample provides a maximum estimate of the age.

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