|
Diatom datum
|
Age (Ma)
|
|
|---|---|---|
|
|
Leg 191 | Leg 86* |
| LO Proboscia curvirostris | 0.32 | 0.3–0.35 |
| LO Nitzschia reinholdii | 0.63 | 0.47–0.52 |
| LO Nitzschia fossilis | 0.89 | 0.55–0.57 |
| LO Actinocyclus oculatus | 1.21 | 0.93–1.33 |
| FO Pseudoeunotia doliolus | 1.59 | 1.89–2.0 |
| LO Thalassiosira antiqua | 1.7 | 1.43–3.14 |
| LO Thalassiosira convexa | 2.5 | 2.29–2.3 |
| LO Neodenticula kamtschatica | 2.8 | 2.5–2.58 |
| LO Nitzschia jouseae | 3.21 | 2.48–2.58 |
| FO Nitzschia jouseae | 4.3 | 4.45–4.5 |
| LO Thalassiosira miocenica | 5.94 | 5.1–5.35 |
| LCO Rouxia californica | 6.1 | 4.4–5.1 |
| FO Thalassiosira convexa | 6.4 | 6.6 |
| FO Thalassiosira oestrupii | 7.75 | 5.0–5.35 |
Notes: * = Holes 578–581. LO = last occurrence, FO = first occurrence. LCO = last common occurrence.