Table T23. Constrained tie points for depth-age relationship, Site U1427.
| 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.) |
|---|---|---|---|---|---|---|---|
| Top | 0.00 | 0.000 | |||||
| R | Larcopyle buetschlii Zone | 1.80 | 0.00 | 0.005 | 0.005 | 264.0 | |
| R | LO Lychnocanoma sakai | 16.50 | 5.43 | 0.050 | 0.000 | ||
| PF | FO and LO Globigerinoides ruber (pink) | 35.87 | 4.44 | 0.260 | 0.140 | ||
| R | LO Amphimelissa setosa | 45.34 | 5.04 | 0.080 | 0.000 | ||
| CN | FO Emiliania huxleyi | 45.76 | 1.51 | 0.290 | 0.000 | ||
| CN | LO Pseudoemiliania lacunosa | 69.33 | 0.83 | 0.440 | 0.000 | ||
| R | LO Spongodiscus sp. | 95.29 | 5.09 | 0.290 | 0.000 | ||
| Unit A1/A2 | 132.09 | 0.500 | |||||
| PF | LO Neogloboquadrina kagaensis group | 259.40 | 1.48 | 0.700 | 0.000 | 630.1 | |
| Paleomag | PM | Bottom of C1n (Brunhes/Matuyama) | 308.96 | 0.75 | 0.781 | 0.000 | |
| CN | LO Reticulofenestra asanoi | 364.37 | 0.03 | 0.910 | 0.000 | 423.4 | |
| CN | Bc Reticulofenestra asanoi | 451.30 | 2.23 | 1.140 | 0.000 | ||
| PF | Neogloboquadrina pachyderma (D to S) | 502.03 | 2.15 | 1.190 | 0.050 | ||
| CN | LO Gephyrocapsa (>5.5 µm) | 504.33 | 0.15 | 1.240 | 0.000 | ||
| CN | LO Helicosphaera sellii | 506.29 | 0.75 | 1.340 | 0.000 | ||
| PF | T Globorotalia inflata (No. 2 bed) | 528.51 | 5.69 | 1.290 | 0.050 | ||
| Bottom | 571.05 | 1.400 |
R = radiolarian, PF = planktonic foraminifer, CN = calcareous nannofossil, PM = paleomagnetism. LO = last occurrence, FO = first occurrence, Bc = base of common occurrence, T = top. D to S = dextral to sinistral coiling change.
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