Table T3. Calcareous nannofossil datum levels, Site 1170.
| Datum | Age (Ma) |
Interval | Depth (mbsf) | Mean (mbsf) |
Error
bar (m) |
|||
|---|---|---|---|---|---|---|---|---|
|
Top
|
Bottom
|
Top
|
Bottom
|
|||||
| Hole 1170A | ||||||||
| FO Emiliania huxleyi | 0.26 | Top of core | 1H-CC | 0.00 | 1.64 | 0.82 | 0.82 | |
| LO Pseudoemiliania lacunosa | 0.46 | 1H-CC | 2H-CC | 1.64 | 11.67 | 6.66 | 5.02 | |
| LO Calcidiscus macintyrei | 1.67 | 4H-CC | 5H-CC | 29.07 | 39.40 | 34.24 | 5.17 | |
| LO Reticulofenestra pseudoumbilica | 3.75 | 6H-CC | 7H-CC | 49.03 | 58.25 | 53.64 | 4.61 | |
| LO Ceratolithus acutus | 5.05 | 12H-CC | 13H-CC | 106.45 | 115.24 | 110.85 | 4.40 | |
| FO Ceratolithus acutus | 5.37 | 12H-CC | 13H-CC | 106.45 | 115.24 | 110.85 | 4.40 | |
| LO Cyclicargolithus floridanus | 11.90 | 27X-CC | 28X-CC | 239.38 | 250.70 | 245.04 | 5.66 | |
| LO Helicosphaera ampliaperta | 15.60 | 29X-CC | 30X-CC | 259.44 | 270.22 | 264.83 | 5.39 | |
| FO Calcidiscus premacintyrei | 17.40 | 34X-CC | 35X-CC | 310.39 | 318.43 | 314.41 | 4.02 | |
| LO Reticulofenestra bisecta | 23.90 | 41X-CC | 42X-CC | 376.53 | 387.17 | 381.85 | 5.32 | |
| LO Chiasmolithus altus | 26.10 | 43X-CC | 44X-CC | 396.63 | 405.83 | 401.23 | 4.60 | |
| Hole 1170B | ||||||||
| LO Pseudoemiliania lacunosa | 0.46 | 1H-CC | 2H-CC | 4.75 | 14.65 | 9.70 | 4.95 | |
| LO Calcidiscus macintyrei | 1.67 | 4H-CC | 5H-CC | 33.59 | 42.66 | 38.13 | 4.54 | |
| LO Reticulofenestra pseudoumbilica | 3.75 | 5H-CC | 6H-CC | 42.66 | 52.55 | 47.61 | 4.95 | |
| LO Discoaster loeblechii | 7.40 | 16H-CC | 17H-CC | 145.30 | 156.88 | 151.09 | 5.79 | |
| Hole 1170C | ||||||||
| LO Pseudoemiliania lacunosa | 0.46 | 2H-CC | 3H-CC | 18.04 | 28.51 | 23.28 | 5.24 | |
| LO Calcidiscus macintyrei | 1.67 | 4H-CC | 5H-CC | 35.77 | 47.13 | 41.45 | 5.68 | |
| LO Reticulofenestra pseudoumbilica | 3.75 | 5H-CC | 6H-CC | 47.13 | 56.82 | 51.98 | 4.85 | |
| FO Amaurolithus delicatus | 6.90 | 16H-CC | 17H-CC | 150.63 | 161.24 | 155.94 | 5.31 | |
| LO Discoaster loeblechii | 7.40 | 16H-CC | 17H-CC | 150.63 | 161.24 | 155.94 | 5.31 | |
| FO Discoaster surculus | 7.30 | 17H-CC | 18H-CC | 161.24 | 170.09 | 165.67 | 4.42 | |
| Hole 1170D | ||||||||
| FO Cyclicargolithus abisectus | 31.20 | 4R-CC | 5R-CC | 454.99 | 464.21 | 459.60 | 4.61 | |
| LO Reticulofenestra reticulata | 35.00 | 6R-CC | 8R-5, 50 | 472.72 | 486.35 | 479.54 | 6.82 | |
| LO Chiasmolithus solitus | 40.40 | 12R-CC | 13R-CC | 524.59 | 534.83 | 529.71 | 5.12 | |
| FO Reticulofenestra reticulata | 42.00 | 12R-CC | 13R-CC | 524.59 | 534.83 | 529.71 | 5.12 | |
| FO Reticulofenestra umbilica | 43.70 | 37R-CC | 38R-CC | 768.73 | 779.69 | 774.21 | 5.48 | |
Note: FO = first occurrence, LO = last occurrence.