Alcalá-Herrera, Javier A; Grossman, Ethan L; Gartner, Stefan (1992): (Appendix) Stable carbon and oxygen isotope ratios of fine-fraction sediments across the Cretaceous/Tertiary boundary of DSDP Hole 74-528 from Walvis Ridge, South Atlantic [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.683529, In supplement to: Alcalá-Herrera, JA et al. (1992): Nannofossil diversity and equitability and fine-fraction d13C across the Cretaceous/Tertiary boundary at Walvis Ridge Leg 74, South Atlantic. Marine Micropaleontology, 20(1), 77-88, https://doi.org/10.1016/0377-8398(92)90010-H
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: -28.524800 * Longitude: 2.324000
Date/Time Start: 1980-07-04T00:00:00 * Date/Time End: 1980-07-04T00:00:00
Minimum DEPTH, sediment/rock: 363.44 m * Maximum DEPTH, sediment/rock: 466.10 m
Event(s):
74-528 * Latitude: -28.524800 * Longitude: 2.324000 * Date/Time: 1980-07-04T00:00:00 * Elevation: -3800.0 m * Penetration: 555 m * Recovery: 271.9 m * Location: South Atlantic/RIDGE * Campaign: Leg74 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 47 cores; 441 m cored; 0 m drilled; 61.7 % recovery
Comment:
Ages were obtained using the magnetostratigraphy data reported by Chave (1984) and age interpretation made by Shackleton and Hall (1984). The K/T boundary is assumed to have an absolute age of 64.5 Ma. based on recent precise determinations of the age of the K/T boundary (Izett et al., 1991).
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | AGE | Age | ka BP | Geocode | ||
| 3 | δ13C, carbonate | δ13C carb | ‰ PDB | Alcalá-Herrera, Javier A | 2-63 µm size fraction, mainly formed by calcareous nannoplankton | |
| 4 | δ18O, carbonate | δ18O carb | ‰ PDB | Alcalá-Herrera, Javier A | 2-63 µm size fraction, mainly formed by calcareous nannoplankton |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
68 data points
Data
| 1 Depth sed [m] | 2 Age [ka BP] | 3 δ13C carb [‰ PDB] | 4 δ18O carb [‰ PDB] |
|---|---|---|---|
| 363.44 | 59547.0 | 2.93 | -1.20 |
| 370.69 | 59767.0 | 3.27 | -1.01 |
| 381.70 | 60213.0 | 2.59 | -0.92 |
| 391.08 | 61027.0 | 1.95 | -0.35 |
| 398.66 | 63353.8 | 1.70 | -0.89 |
| 399.00 | 63432.0 | 2.03 | 0.10 |
| 399.78 | 63572.0 | 1.93 | -0.11 |
| 400.28 | 63623.5 | 0.96 | -0.89 |
| 400.50 | 63646.0 | 1.57 | 0.07 |
| 401.70 | 63769.9 | 1.97 | 1.12 |
| 402.48 | 63850.3 | 1.74 | -1.22 |
| 402.53 | 63855.4 | 2.23 | -0.63 |
| 403.20 | 63924.5 | 1.68 | -1.05 |
| 403.76 | 63982.0 | 1.71 | -0.08 |
| 404.00 | 64006.9 | 1.64 | -0.15 |
| 404.54 | 64062.6 | 1.24 | -0.88 |
| 404.78 | 64087.3 | 0.88 | -3.04 |
| 405.82 | 64165.0 | 1.29 | 0.13 |
| 406.50 | 64359.0 | 1.44 | -0.35 |
| 406.66 | 64404.0 | 1.59 | -0.70 |
| 406.86 | 64461.0 | 1.63 | -0.12 |
| 407.00 | 64500.0 | 2.03 | 0.10 |
| 407.20 | 64508.8 | 2.94 | 0.02 |
| 407.97 | 64543.0 | 2.89 | -0.44 |
| 408.94 | 64586.0 | 2.30 | -0.16 |
| 411.93 | 64717.7 | 2.78 | -0.65 |
| 417.51 | 64996.6 | 2.79 | -1.02 |
| 418.58 | 65052.2 | 2.74 | -1.15 |
| 423.15 | 65289.0 | 3.01 | 0.52 |
| 428.33 | 65558.0 | 3.30 | -0.44 |
| 436.00 | 65237.0 | 3.30 | -0.13 |
| 446.35 | 66494.0 | 2.58 | -0.91 |
| 451.78 | 66776.0 | 2.73 | -0.36 |
| 466.10 | 67519.0 | 2.57 | -0.37 |