|
Event
|
Published age
(Ma) references |
Age
(Ma) |
Event code
|
|---|---|---|---|
| Diatoms: |
|
|
|
| TC Hemidiscus karstenii | 0.19 (4, 6); 0.195 (2) | 0.19 | D1 |
| BC Hemidiscus karstenii | 0.42 (4, 6) | 0.42 | D2 |
| T Actinocyclus ingens | 0.64 (3, 5, 6); 0.65 (4) | 0.64 | D3 |
| T Thalassiosira elliptipora | 0.68 (3, 6); 0.7 (5) | 0.68 | D4 |
| T Fragilariopsis barronii | 1.3 (4); 1.39 (3, 6) | 1.39 | D5 |
| T Thalassiosira fasciculata | 0.70 (5); 1.7 (3, 6) | 1.7 | D6 |
| T Thalassiosira inura | 1.75 (3, 6); 2.5 (5) | 1.75 | D7 |
| B Thalassiosira elliptipora | 1.77? (3, 5, 6) | 1.77 | D8 |
| T Actinocyclus karstenii | 1.78-2.9 (3, 6) | 1.78 | D9 |
| T Thalassiosira torokina | 1.8 (2, 5); 1.85 (3, 6) | 1.85 | D10 |
| T Thalassiosira kolbei | 1.85 (3, 6); 2 (2, 4, 5) | 1.85 | D11 |
| T Thalassiosira vulnifica | 2.28 (3, 6); 2.5 (2, 5) | 2.28 | D12 |
| B Thalassiosira gracilis | 2.28 (3, 6) | 2.28 | D13 |
| T Thalassiosira insigna | 2.57 (3, 6); 2.6 (4); 2.63 (5) | 2.57 | D14 |
| T Fragilariopsis interfrigidaria | 2.63 (5); 2.67 (3, 6) | 2.67 | D15 |
| T Fragilariopsis weaveri | 2.65 (2, 5); 2.7 (3, 6) | 2.7 | D16 |
| B Thalassiosira vulnifica | 3.17 (3, 6); 3.26 (2, 5) | 3.17 | D17 |
| B Fragilariopsis kerguerensis | 2.70? (5); 3.33 (3, 6) | 3.33 | D18 |
| T Thalassiosira striata | 2.92-3.4 (3, 6) | 2.92-3.4 | D19 |
| T Thalassiosira complicata | 2.5 (5); 3.4 (3, 6) | 3.4 | D20 |
| B Thalassiosira insigna | 3.4 (2, 3, 5, 6) | 3.4 | D21 |
| B Fragilariopsis weaveri | 3.4 (2, 3, 5, 6) | 3.4 | D22 |
| B Fragilariopsis ritscherii | 3.53 (3, 6) | 3.53 | D23 |
| T Fragilariopsis praeinterfrigidaria | 3.64 (3, 6); 3.8 (1, 2, 5) | 3.64 | D24 |
| B Fragilariopsis interfrigidaria | 3.8 (1, 2, 3, 5, 6) | 3.8 | D25 |
| B Thalassiosira kolbei | 3.75? (2, 5); 4.07 (3, 6) | 4.07 | D26 |
| B Thalassiosira lentignosa | 4.2 (3, 6) | 4.2 | D27 |
| B Thalassiosira striata | 4.48 (3, 6) | 4.48 | D28 |
| B Thalassiosira fasciculata | 4.48 (3, 6); 4.50 (4, 5) | 4.48 | D29 |
| B Fragilariopsis barronii | 4.44 (5); 4.48 (1, 3, 6) | 4.48 | D30 |
| B Thalassiosira complicata | 4.44 (5); 4.62 (3, 6) | 4.62 | D31 |
| B Thalassiosira inura | 4.85 (3, 6); 4.92 (5) | 4.85 | D32 |
| B Fragilariopsis praeinterfrigidaria | 4.85 (3, 6); 5.3 (5) | 4.85 | D33 |
| B Thalassiosira tetraoestrupii | 5.49-5.50 (7) | 5.50 | D34 |
| B Thalassiosira oestrupii | 5.56 (5); 5.62 (3, 6) | 5.62 | D35 |
| T Denticulopsis hustedtii s.l. | 5.3 (5); 6.28 (3, 6) | 6.28 | D36 |
| T Actinocyclus ingens var. ovalis | 6.27 (5); 6.32 (3, 6) | 6.32 | D37 |
| B Thalassiosira oliverana s.s. | 6.42 (3, 5, 6) | 6.42 | D38 |
| T Thalassiosira mahoodii | 7.59 (2) | 7.59 | D39 |
| B Nitzschia reinholdii | 8.10 (5) | 8.10 | D40 |
| B Actinocyclus ingens var. ovalis | 8.68 (3, 5, 6) | 8.68 | D41 |
| B Thalassiosira mahoodii | 8.61 (2) | 8.81 | D42 |
| T Denticulopsis crassa | — | — | D43 |
| B Thalassiosira torokina | 9.01 (2, 3, 5) | 9.01 | D44 |
| T Denticulopsis dimorpha | 10.63 (3, 6); 10.7 (2, 5) | 10.63 | D45 |
| Calcareous nannofossils: |
|
|
|
| B Emiliania huxleyi | 0.26 (6) | 0.26 | N1 |
| T Pseudoemiliania lacunosa | 0.46 (6) | 0.46 | N2 |
| T Reticulofenestra asanoi | 0.85 | 0.85 | N3 |
| R med. Gephyrocapsa spp. | 0.96 (6) | 0.96 | N4 |
| B Reticulofenestra asanoi | 1.16 | 1.16 | N5 |
| T large Gephyrocapsa spp. | 1.24 (6) | 1.24 | N6 |
| T Helicosphaera selli | 1.25 | 1.25 | N7 |
| B large Gephyrocapsa spp. | 1.58 | 1.58 | N8 |
| B med Gephyrocapsa spp. | 1.69 (6) | 1.69 | N9 |
| Radiolarians: |
|
|
|
| T Antarctissa cylindrica | 0.61 (6) | 0.61 | R1 |
| T Cycladophora pliocenica | 1.827 (6) | 1.83 | R2 |
| T Euceyrtidium calvertense | 1.925 (6) | 1.93 | R3 |
| T Helotholus vema | 2.421 (6) | 2.42 | R4 |
| T Lampromitra coronata | 3.705 (6) | 3.71 | R5 |
| B Helotholus vema | 4.580 (6) | 4.58 | R6 |
| B Desmospyris spongiosa | 4.580 (6) | 4.58 | R7 |
| TC Lychnocanium grande | 5.018 (6) | 5.02 | R8 |
| T Amphymenium challengerae | 6.097 (6) | 6.10 | R9 |
| B Amphymenium challengerae | 6.651 (6) | 6.65 | R10 |
| B Acrosphaera? labrata | 7.797 (6) | 7.80 | R11 |
| T Cycladophora spongothorax | 9.117 (6) | 9.12 | R12 |
Notes: T = top, B = bottom, TC = top common occurrence, BC = bottom common occurrence. References: 1 = Gersonde and Burckle, 1990, Leg 113 Scientific Results; 2 = Baldauf and Barron, 1991, Leg 119 Scientific Results; 3 = Harwood and Maruyama, 1992, Leg 120 Scientific Results; 4 = Gersonde and Barcena, 1998; 5 = Gersonde, Hodell, Blum et al., 1999, Leg 177 Initial Reports; 6 = Barker, Camerlenghi, Acton, et al., 1999, Leg 178 Initial Reports, 7 = Boden, 1993.