Table T19. Constrained tie points for depth-age relationship, Site U1424.
Selected ties for depth-age lines |
Event type |
Bioevents and epoch boundaries |
Depth CCSF-A (m) |
Depth range (±) |
Age (Ma) |
Age range (±) |
Sedimentation rate (m/m.y.) |
|---|---|---|---|---|---|---|---|
| Core top | 0.00 | 0.000 | |||||
| R | LO Lychnocanoma sakaii | 3.38 | 3.38 | 0.050 | 0.000 | 34.8 | |
| R | LO Spongodiscus sp. | 11.96 | 5.21 | 0.290 | 0.000 | ||
| PM | Bottom of C1n (Brunhes/Matuyama) | 27.21 | 0.51 | 0.781 | 0.000 | ||
| PF | LO Neogloboquadrina kagaensis | 31.57 | 0.38 | 0.700 | 0.000 | ||
| Paleomag | PM | Top of C1r.1n (Jaramillo) | 34.38 | 0.55 | 0.988 | 0.000 | |
| PM | Bottom of C1r.1n (Jaramillo) | 40.25 | 1.00 | 1.072 | 0.000 | 57.2 | |
| R | LO Eucyrtidium matuyamai | 43.80 | 5.07 | 1.030 | 0.000 | ||
| R | LO Axoprunum acquilonium | 43.80 | 5.07 | 1.450 | 0.250 | ||
| PM | Top of C1r.2n (Cobb Mountain) | 45.51 | 0.34 | 1.173 | 0.000 | ||
| PM | Bottom of C1r.2n (Cobb Mountain) | 46.34 | 0.06 | 1.185 | 0.000 | ||
| Unit IA/IB | 46.91 | 1.207 | |||||
| R | FO Eucyrtidium matuyamai | 53.89 | 5.02 | 1.980 | 0.000 | 23.3 | |
| PM | Top of C2n (Olduvai) | 59.62 | 0.13 | 1.778 | 0.000 | ||
| PM | Bottom of C2n (Olduvai) | 64.27 | 0.73 | 1.945 | 0.000 | ||
| PM | Top of C2r.1n (Reunion) | 67.83 | 0.17 | 2.128 | 0.000 | ||
| Unit IB/IIA | 68.62 | 2.139 | |||||
| PM | Bottom of C2r.1n (Reunion) | 68.73 | 0.17 | 2.148 | 0.000 | 29.0 | |
| PM | Top of C2An.1n (Matuyama/Gauss) | 81.19 | 0.15 | 2.581 | 0.000 | ||
| D | LO Neodenticula kamtschatica | 83.06 | 5.27 | 2.650 | 0.050 | ||
| R | FO Cycladophora davisiana | 83.06 | 5.27 | 2.700 | 0.000 | ||
| R | LO Hexacontium parviakitaensis | 83.06 | 5.27 | 2.700 | 0.000 | ||
| Unit IIA/IIB | 84.55 | 2.689 | |||||
| PM | Top of C2An.1r (Kaena) | 95.07 | 0.75 | 3.032 | 0.000 | 34.5 | |
| PM | Bottom of C2An.1r (Kaena) | 98.81 | 0.22 | 3.116 | 0.000 | ||
| PM | Top of C2An.2r (Mammoth) | 101.64 | 0.61 | 3.207 | 0.000 | ||
| PM | Bottom of C1An.2r (Mammoth) | 105.15 | 0.61 | 3.330 | 0.000 | ||
| Paleomag | PM | Top of C2Ar (Gauss/Gilbert) | 115.87 | 0.03 | 3.596 | 0.000 | |
| R | FO Hexacontium parviakitaensis | 122.69 | 5.16 | 3.900 | 0.000 | 72.3 | |
| R | RD Siphocampe arachnea group | 132.84 | 4.99 | 4.600 | 0.000 | ||
| Biostrat | 137.83 | 3.900 | |||||
| PM | Bottom of C3n.1n (Cochiti) | 140.35 | 3.20 | 4.300 | 0.000 | 14.3 | |
| D | FO Neodenticula koizumii | 141.11 | 3.28 | 3.650 | 0.250 | ||
| T | Znp-Ohta | 142.86 | 0.05 | 3.900 | 0.000 | ||
| PM | Top of C3n.1n (Cochiti) | 142.87 | 0.00 | 4.187 | 0.000 | ||
| Paleomag | 143.55 | 4.300 | |||||
| PM | Top of C3n.2n (Nunivak) | 149.46 | 0.31 | 4.493 | 0.000 | 29.6 | |
| R | RI Siphocampe arachnea group | 151.07 | 6.68 | 4.700 | 0.000 | ||
| PM | Bottom of C3n.2n (Nunivak) | 154.64 | 0.16 | 4.631 | 0.000 | ||
| PM | Top of C3n.3n (Sidufjall) | 158.94 | 0.06 | 4.799 | 0.000 | ||
| PM | Bottom of C3n.3n (Sidufjall) | 162.28 | 0.00 | 4.896 | 0.000 | ||
| PM | Top of C3n.4n (Thvera) | 165.38 | 0.00 | 4.997 | 0.000 | ||
| R | FO Larcopyle pylomaticus | 167.70 | 0.00 | 5.300 | 0.000 | ||
| Core bottom | 167.75 | 5.118 | |||||
R = radiolarian, PF = planktonic foraminifer, CN = calcareous nannofossil, D = diatom, PM = paleomagnetism, T = tephra. LO = last occurrence, FO = first occurrence, RI = rapid increase, RD = rapid decrease.
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