| Sample name | Core name | Top depth (m) | Bottom depth (m) | Total organic carbon (%) | Carbon type | Sample preparation method | Fraction modern | δ13C (‰, PDB) | Age (14C yr) | Age uncertainty (14C yr; 1σ) | Comments |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NZA5784 | 149/02GC03 | 0.87 | 0.88 | None | AIOM | Bulk combustion | 0.239523213 | -25.6 | 11480.0 | 130.0 | Suspected contamination by Jurassic-age organic matter (Harris et al., 1996), found at 1.41 m depth in core (Truswell et al., 1999); Suspected contamination by Jurassic-age organic matter (Harris et al., 1996), found at 1.41 m depth in core (Truswell et al., 1999) |
| Calibration curve | Reservoir correction (14C yr) | Calibration software | Calibrated age, median probability (cal. yr BP) | Calibrated age, 95.45% probability range (2σ; cal. yr BP) | Calibrated age, 68.2% probability range (1σ; cal. yr BP) |
|---|---|---|---|---|---|
| Marine20 | default - Global Ocean 550.0 | IOSACal (v.0.6.0) | 12222.0 | 12593.0 to 11820.0 | 12447.0 to 12033.0 |
| Intcal20 | default - Terrestrial 0.0 | IOSACal (v.0.6.0) | 13353.0 | 13590.0 to 13543.0 | 13470.0 to 13237.0 |
| Marine20 | default - Southern Ocean 1141.0 | IOSACal (v.0.6.0) | 11363.0 | 12038.0 to 10677.0 | 11717.0 to 11061.0 |
| Marine20 | default - S. Baffin Island (Bay ?) 150.0 | IOSACal (v.0.6.0) | 12679.0 | 13020.0 to 12360.0 | 12823.0 to 12524.0 |
| Marine20 | default - N. Baffin Island (Bay?) 220.0 | IOSACal (v.0.6.0) | 12611.0 | 12905.0 to 12261.0 | 12740.0 to 12474.0 |
| Title | Author(s) | Publication | DOI | View cores |
|---|---|---|---|---|
| Late Quaternary history of sedimentation on the Mac. Robertson Shelf, East Antarctica: problems with 14C-dating of marine sediment cores | Harris, PT and O'brien, PE and Sedwick, P and Truswell, EM | , 1996 | https://doi.org/10.26749/rstpp.130.2.47 |
|
| Bottom currents, sedimentation and ice-sheet retreat facies successions on the Mac Robertson shelf, East Antarctica | Harris, PT and O'Brien, PE | Marine Geology, 1998 | https://doi.org/10.1016/S0025-3227(98)00047-4 |
|
| Quatenary Antarctic ice-sheet fluctuations and Southern Ocean palaeoceanography: natural variability studies at the Antarctic CRC | Harris, PT and Howard, W and O'Brien, PE and Sedwick, PN and Sikes, EL | AGSO Journal of Australian Geology and Geophysics, 1999 |
|
No associated documents.
No photos found.
No photos found.
| Core name | 149/02GC03 |
| Top depth (m) | 0.87 |
| Bottom depth (m) | 0.88 |
| Lithology | Poorly sorrted, massively bedded mud |
| Facies interpretation | Proximal sub-ice shelf glaciomarine |
| Total organic carbon (%) | None |
| Preparation lab | |
| Accelerator mass spectrometer lab |