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
Beta-284607 PS75/160-1 4.9 5.0 None Benthic foraminifera and pteropods and unspecified calcareous shell fragments and ostracods Carbonate hydrolysis 0.31341907 -3.1 9320.0 40.0 For sufficient calcareous material for 14C dating, samples 4.90 and 5.00 m core depths were combined

Calibration results for Sample Beta-284607

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) 9266.0 9428.0 to 9084.0 9373.0 to 9184.0
Intcal20 default - Terrestrial 0.0 IOSACal (v.0.6.0) 10527.0 10657.0 to 10616.0 10578.0 to 10494.0
Marine20 default - Southern Ocean 1141.0 IOSACal (v.0.6.0) 8516.0 8992.0 to 8070.0 8754.0 to 8282.0
Marine20 default - S. Baffin Island (Bay ?) 150.0 IOSACal (v.0.6.0) 9727.0 10012.0 to 9497.0 9851.0 to 9581.0
Marine20 default - N. Baffin Island (Bay?) 220.0 IOSACal (v.0.6.0) 9625.0 9837.0 to 9468.0 9703.0 to 9527.0

Associated publications

Title Author(s) Publication DOI View cores
Grounding-line retreat of the west Antarctic ice sheet from inner Pine island Bay Hillenbrand, Claus-Dieter and Kuhn, Gerhard and Smith, James A and Gohl, Karsten and Graham, Alastair GC and Larter, Robert D and Klages, Johann P and Downey, Rachel and Moreton, Steven G and Forwick, Matthias and others Geology, 2013 https://doi.org/10.1130/G33469.1
Reconstruction of changes in the Amundsen Sea and Bellingshausen sea sector of the West Antarctic ice sheet since the last glacial maximum Larter, Robert D and Anderson, John B and Graham, Alastair GC and Gohl, Karsten and Hillenbrand, Claus-Dieter and Jakobsson, Martin and Johnson, Joanne S and Kuhn, Gerhard and Nitsche, Frank O and Smith, James A and others Quaternary Science Reviews, 2014 http://dx.doi.org/10.1016/j.quascirev.2013.10.016

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 PS75/160-1
Top depth (m) 4.9
Bottom depth (m) 5.0
Lithology Muddy sand to sandy mud
Facies interpretation Iceberg turbation in seasonal open-marine setting distal from grounding line or sub-ice shelf proximal to grounding line
Total organic carbon (%) None
Preparation lab
Accelerator mass spectrometer lab