Table T4. Biostratigraphic datums, Site 1197.
| Datum |
Core, section, interval (cm) |
Depth (mbsf) |
Mean depth (mbsf) |
Age (Ma) |
|
|---|---|---|---|---|---|
|
First
absence or presence |
Last
presence or absence |
||||
| 194-1197A- | |||||
| Acme Emiliania huxleyi | 1H-1, 0 to 1H-2, 136 | 0.00 | 2.86 | 1.43 | 0.08 |
| LO Globigerinoides ruber (pink) | 1H-1, 0 to 1H-CC | 0.00 | 6.13 | 3.07 | 0.12 |
| FO Emiliania huxleyi | 1H-2, 136 to 1H-CC | 2.86 | 5.95 | 4.41 | 0.26 |
| LO Pseudoemiliania lacunosa | 1H-CC to 2H-CC | 5.95 | 15.50 | 10.73 | 0.46 |
| LO Globorotalia tosaensis | 1H-CC to 2H-CC | 6.13 | 15.61 | 10.87 | 0.65 |
| FO Pulleniatina finalis | 3H-CC to 4H-CC | 25.22 | 34.87 | 30.05 | 1.30 |
| LO Calcidiscus macintyrei | 4H-CC to 5H-CC | 34.87 | 44.20 | 39.54 | 1.70 |
| LO Globigerinoides fistulosus | 4H-CC to 5H-CC | 34.87 | 44.20 | 39.54 | 1.77 |
| LO Globigerinoides extremus | 4H-3, 12-14 to 5H-CC | 29.22 | 54.59 | 41.91 | 1.80 |
| LO Discoaster brouweri | 6H-CC to 7H-1, 28-30 | 53.61 | 53.88 | 53.75 | 2.00 |
| LO Globorotalia pseudomiocenica | 7H-1, 28-30 to 7H-CC | 53.88 | 54.59 | 54.24 | 2.30 |
| 194-1197B- | |||||
| Dentoglobigerina altispira, Globoquadrina baroemoenensis, Globorotalia siakensis | Assemblage depth range (mbsf): 69.2-175; Age range (Ma): 4.8-11.4 | ||||
| LO Sphenolithus heteromorphus | 37R-CC to 38R-CC | 398.28 | 412.67 | 405.48 | 13.6 |
| FO Sphenolithus heteromorphus | 57R-CC to 58R-CC | 598.41 | 607.36 | 602.89 | 18.2 |
| Range of Sphenolithus belemnos | Found in 61R-CC | 631.14 | 631.14 | 631.14 | 18.5-19.3 |
Note: FO = first occurrence, LO = last occurrence.