Sample

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 results for Sample NZA5784

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

Associated publications

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

Associated documents

No associated documents.

Field photographs

No photos found.

Lab photographs

No photos found.

Complete dump of sample & measurement data

Sample-related information
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