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-300846 PS75/214-1 4.8 4.97 None Mixed benthic and panktic foraminifera Carbonate hydrolysis 0.25143891 -1.1 11090.0 50.0 For sufficient calcareous material for 14C dating, samples 4.80 and 4.97 m core depths were combined

Calibration results for Sample Beta-300846

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) 11627.0 11870.0 to 11370.0 11754.0 to 11496.0
Intcal20 default - Terrestrial 0.0 IOSACal (v.0.6.0) 13009.0 13102.0 to 12893.0 13090.0 to 12969.0
Marine20 default - Southern Ocean 1141.0 IOSACal (v.0.6.0) 10801.0 11263.0 to 10242.0 11081.0 to 10553.0
Marine20 default - S. Baffin Island (Bay ?) 150.0 IOSACal (v.0.6.0) 12252.0 12535.0 to 12530.0 12423.0 to 12112.0
Marine20 default - N. Baffin Island (Bay?) 220.0 IOSACal (v.0.6.0) 12155.0 12431.0 to 11906.0 12297.0 to 12005.0

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 PS75/214-1
Top depth (m) 4.8
Bottom depth (m) 4.97
Lithology Mud with sandy and gravelly layers, coarse-grained layers occasionally enriched in calcareous microfossils
Facies interpretation Glaciomarine under sea ice and/or ice-shelf cover proximal to grounding line
Total organic carbon (%) None
Preparation lab
Accelerator mass spectrometer lab