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

Core information

Core name Region Collection date IGSN ID Core type Latitude (DD) Longitude (DD) Water depth
(m)
Core length
(m)
Comments
PS75/160-1 Antarctica, Amundsen Sea March 2, 2010 Gravity -74.56380 -102.62400 337.0 6.68 Sample taken from top of core catcher; For sufficient calcareous material for 14C dating, samples 4.90 and 5.00 m core depths were combined; For sufficient calcareous material for 14C dating, samples 5.88 and 6.00 m core depths were combined

Expedition information

Expedition name Ship Start date End date Report DOI
ANT-XXVI/3 (PS75) RV Polarstern Jan. 29, 2010 April 5, 2010 https://doi.org/10.2312/BzPM_0617_2010

Samples in this core

Sample ID Core depth
(m)
Lithology Facies interpretation Carbon type Sample preparation type Age (14C yr ± 1σ) Calibrated age, median probability (cal. yr BP) Calibrated age, 2σ range (cal. yr BP) Comments
Beta-284600 6.52 - 6.52 Gravelly sandy mud Glaciomarine under sea ice and/or ice-shelf cover proximal to grounding line Brachoipods and unspecified calcareous shell fragments and benthic foraminifera Carbonate hydrolysis 8240.0 ± 40.0 7397.0 7775.0-6995.0 Sample taken from top of core catcher
Beta-284601 0.005 - 0.005 Mud Seasonal open-marine Benthic foraminifera and unspecified calcareous shell fragments and ostracods Carbonate hydrolysis 2340.0 ± 40.0 617.0 986.0-262.0 None
Beta-284602 1.335 - 1.335 Mud Seasonal open-marine Unspecified calcareous shell fragments Carbonate hydrolysis 2750.0 ± 40.0 1002.0 1374.0-633.0 None
Beta-284604 2.3 - 2.3 Gravelly sand Iceberg turbation in seasonal open-marine setting distal from grounding line, or sub-ice shelf deposition proximal to grounding line Benthic foraminifera and unspecified calcareous shell fragments and ostracods Carbonate hydrolysis 4990.0 ± 40.0 3645.0 4142.0-3170.0 None
Beta-284606 3.8 - 3.8 Gravelly sand Glaciomarine under sea ice and/or ice-shelf cover proximal to grounding line Benthic foraminifera and unspecified calcareous shell fragments Carbonate hydrolysis 8410.0 ± 40.0 7562.0 7937.0-7192.0 None
Beta-284607 4.9 - 5.0 Muddy sand to sandy mud Iceberg turbation in seasonal open-marine setting distal from grounding line or sub-ice shelf proximal to grounding line Benthic foraminifera and pteropods and unspecified calcareous shell fragments and ostracods Carbonate hydrolysis 9320.0 ± 40.0 8516.0 8992.0-8070.0 For sufficient calcareous material for 14C dating, samples 4.90 and 5.00 m core depths were combined
Beta-284608 5.88 - 6.0 Muddy sand to sandy mud Glaciomarine under sea ice and/or ice-shelf cover proximal to grounding line Benthic foraminifera and unspecified calcareous shell fragments and ostracods and brachiopods Carbonate hydrolysis 8560.0 ± 40.0 7706.0 8092.0-7333.0 For sufficient calcareous material for 14C dating, samples 5.88 and 6.00 m core depths were combined
Beta-284610 6.52 - 6.52 Gravelly sandy mud Glaciomarine under sea ice and/or ice-shelf cover proximal to grounding line Unspecified calcareous shell fragments Carbonate hydrolysis 8200.0 ± 40.0 7358.0 7730.0-6948.0 None
Beta-284681 3.0 - 3.0 Sand Gravity flow or current winnowing under sea ice and/or ice-shelf cover proximal to to the grounding line Benthic foraminifera and unspecified calcareous shell fragments Carbonate hydrolysis 7180.0 ± 40.0 6266.0 6703.0-5854.0 None

Associated documents

No associated documents.