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
72189 NBP0802-PC7 3.46 3.76 None Foraminifera Carbonate hydrolysis 0.019088476 0.0 31800.0 730.0 Picked floated foraminifera (see Bart & Cone, 2012); Lithology and facies interpretations from Cone (2010); Lithology and facies interpretations from Cone (2010)

Calibration results for Sample 72189

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) 34893.0 36373.0 to 33366.0 35615.0 to 34179.0
Intcal20 default - Terrestrial 0.0 IOSACal (v.0.6.0) 36196.0 38127.0 to 34580.0 36932.0 to 35366.0
Marine20 default - Southern Ocean 1141.0 IOSACal (v.0.6.0) 34277.0 35930.0 to 32521.0 35136.0 to 33552.0
Marine20 default - S. Baffin Island (Bay ?) 150.0 IOSACal (v.0.6.0) 35285.0 36855.0 to 33851.0 35991.0 to 34538.0
Marine20 default - N. Baffin Island (Bay?) 220.0 IOSACal (v.0.6.0) 35215.0 36772.0 to 33782.0 35925.0 to 34483.0

Associated publications

Title Author(s) Publication DOI View cores
Early stall of West Antarctic Ice Sheet advance on the eastern Ross Sea middle shelf followed by retreat at 27,500 14C yr BP Bart, Philip J and Cone, Amy N Palaeogeography, Palaeoclimatology, Palaeoecology, 2012 https://doi.org/10.1016/j.palaeo.2011.08.007
Ross Sea paleo-ice sheet drainage and deglacial history during and since the LGM Anderson, John B and Conway, Howard and Bart, Philip J and Witus, Alexandra E and Greenwood, Sarah L and McKay, Robert M and Hall, Brenda L and Ackert, Robert P and Licht, Kathy and Jakobsson, Martin and others Quaternary Science Reviews, 2014 https://doi.org/10.1016/j.quascirev.2013.08.020

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 NBP0802-PC7
Top depth (m) 3.46
Bottom depth (m) 3.76
Lithology Gray, poorly-sorted diamicton
Facies interpretation Subglacial till
Total organic carbon (%) None
Preparation lab
Accelerator mass spectrometer lab