Sibert, Elizabeth C; Zill, Michelle E; Frigyik, Ella T; Norris, Richard D (2020): (Table S09) Age model of ODP Site 120-748 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.910675, In supplement to: Sibert, EC et al. (2020): No state change in pelagic fish production and biodiversity during the Eocene–Oligocene transition. Nature Geoscience, 13(3), 238-242, https://doi.org/10.1038/s41561-020-0540-2
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Abstract:
Chron/depth datums from Mackensen and Ehrmann 1992 (Table 4). Ages (in Ma) adjusted to be on GTS 2012 timescale after Gradstein et al 2012.
Using these datums, we determined that a reasonable linear sedimentation rate for this site was 5.26 m/myr, and ages were calculated accordingly.
Related to:
Mackensen, Andreas; Ehrmann, Werner (1992): Middle Eocene through early Oligocene climate history and paleoceanography in the Southern Ocean: Stable oxygen and carbon isotopes from ODP Sites on Maud Rise and Kerguelen Plateau. Marine Geology, 108(1), 1-27, https://doi.org/10.1016/0025-3227(92)90210-9
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: -58.441000 * Longitude: 78.998100
Date/Time Start: 1988-03-13T00:00:00 * Date/Time End: 1988-03-23T00:00:00
Minimum DEPTH, sediment/rock: 71.35 m * Maximum DEPTH, sediment/rock: 178.85 m
Event(s):
120-748 * Latitude: -58.441000 * Longitude: 78.998100 * Date/Time Start: 1988-03-13T00:00:00 * Date/Time End: 1988-03-23T00:00:00 * Elevation: -1300.0 m * Penetration: 1179.1 m * Recovery: 395.3 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg120 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 114 cores; 1004.1 m cored; 0 m drilled; 39.4% recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Sibert, Elizabeth C | Geocode – mbsf | |
| 2 | Age model | Age model | ka | Sibert, Elizabeth C | original | |
| 3 | Ageprofile Datum Description | Ageprof dat des | Sibert, Elizabeth C | |||
| 4 | Age model, optional | Age model opt | ka | Sibert, Elizabeth C | GSA Geological Time Scale v.4.0 2012 | GTS2012 |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
33 data points
Data
| 1 Depth sed [m] | 2 Age model [ka] | 3 Ageprof dat des | 4 Age model opt [ka] |
|---|---|---|---|
| 71.35 | 23700 | LO Reticulofenestra bisecta | 23130 |
| 81.60 | 28000 | LO Globigerina lubiacrassata | |
| 84.85 | 30000 | LO Chiloguembelina cubensis | 28090 |
| 97.95 | 32000 | LO Subbotina angiporoides | 29840 |
| 106.05 | 34900 | LO lsthmolithus recurvus | 32490 |
| 121.45 | 36600 | LO Globigerinatheka index (Berggren) | 34610 |
| 128.00 | 38800 | FO lsthmolithus recurvus (age Wei and Wise) | 36970 |
| 144.15 | 40000 | LO Subotina linaperta | 37960 |
| 147.05 | 41000 | FO (Tliasmolithus oamaruensis age Wei and Wise) | |
| 150.05 | 41400 | LO Chiasmolithus solitus (age Wei and Wise) | 40400 |
| 153.45 | 42000 | LO Acarinina primitiva | |
| 178.85 | 44600 | FO Reticulofenestra umbilica (age Wei and Wise) | 43320 |