Table T2. Calcareous nannofossil datums and regional distribution, Expedition 339.
Calcareous nannofossil event
|
Age calibration (Ma)
|
Polarity interval
|
Region
|
|---|---|---|---|
| LrO Emiliania huxleyi (>4 µm) | 0.01 | C1n | Atlantic |
| FO Emiliania huxleyi | 0.28/0.26 | C1n | Atlantic, Mediterranean |
| LO Pseudoemiliania lacunosa | 0.44/0.46 | C1n | Atlantic, Mediterranean |
| LO Reticulofenestra asanoi | 0.905/0.901 | C1r.1r | Atlantic, Mediterranean |
| Reentrance medium Gephyrocapsa | 1.007/0.956 | C1r.1n | Atlantic, Mediterranean |
| FO Reticulofenestra asanoi | 1.13/1.07 | C1r.2r | Atlantic, Mediterranean |
| LO large Gephyrocapsa (>5.5 µm) | 1.25/1.24 | C1r.3r | Atlantic, Mediterranean |
| LO Helicosphaera sellii | 1.34/1.25 | C1r.3r | Pacific, Mediterranean |
| FcO large Gephyrocapsa (>5.5 µm) | 1.46 | C1r.3r | Pacific |
| FO large Gephyrocapsa (>5.5 µm) | 1.56/1.61 | C1r.3r | Atlantic, Mediterranean |
| LO Calcidiscus macintyrei | 1.60/1.66 | C1r.3r | Atlantic, Mediterranean |
| FO medium Gephyrocapsa (3–5.5 µm) | 1.68/1.73 | C1r.3r | Atlantic, Mediterranean |
| LO Discoaster brouweri | 1.92/1.95 | C2n/C2r.1r | Atlantic, Mediterranean |
| AB Discoaster triradiatus | 2.13/2.21 | C2r.1n/2r | Atlantic, Mediterranean |
| LO Discoaster pentaradiatus | 2.39/2.51 | C2r.2r | Atlantic, Mediterranean |
| LO Discoaster surculus | 2.48/2.53 | C2r.2r | Atlantic, Mediterranean |
| LO Discoaster tamalis | 2.80 | C2An.1n | Atlantic, Mediterranean |
| LO Sphenolithus spp. | 3.52/3.70 | C2Ar | Atlantic, Mediterranean |
| LO Reticulofenestra pseudoumbilicus (>7 µm) | 3.81/3.83 | C2Ar | Atlantic, Mediterranean |
| FcO Discoaster asymmetricus | 4.12 | C2Ar | Mediterranean |
| LO Amaurolithus primus | 4.50 | C3n.1r/2r | Pacific |
| LO Ceratolithus acutus | 5.04 | C3n.4n | Atlantic |
| FO Ceratolithus rugosus | 5.05 | C3n.4n | Atlantic |
| LO Triquetrorhabdulus rugosus | 5.27 | C3r | Atlantic |
| FO Ceratolithus acutus | 5.34 | C3r | Atlantic |
| LO Discoaster quinqueramus | 5.54 | C3r | Atlantic, Mediterranean |
| LO Amaurolithus amplificus | 5.97/5.93 | C3r | Atlantic, Mediterranean |
| FO Amaurolithus amplificus | 6.90/6.68 | C3Ar | Atlantic, Mediterranean |
| FO Amaurolithus spp. | 7.36/7.42 | C3Br.2r | Atlantic, Mediterranean |
Age calibration based on Raffi et al. (2006) and Flores et al. (2010). Polarity interval from ATNTS04 (Lourens et al., 2004). FO = first occurrence, LO = last occurrence, AB = acme bottom. FcO = first common occurrence, LcO = last common occurrence, LrO = last regular occurrence.
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