Core JR157-GC002 (Marguerite Trough, shore-proximal area of mega-scale glacial lineations, <5 km to the northwest of drumlin)
Associated publications
| Title | Author(s) | Publication | DOI | View cores |
|---|---|---|---|---|
| Ice-stream retreat and ice-shelf history in Marguerite Trough, Antarctic Peninsula: Sedimentological and foraminiferal signatures | Kilfeather, Aoibheann A and Cofaigh, Colm {\'O} and Lloyd, Jerry M and Dowdeswell, Julian A and Xu, Sheng and Moreton, Steven G | Bulletin, 2011 | https://doi.org/10.1130/B30282.1 |
|
| Reconstruction of ice-sheet changes in the Antarctic Peninsula since the Last Glacial Maximum | Cofaigh, Colm {\'O} and Davies, Bethan J and Livingstone, Stephen J and Smith, James A and Johnson, Joanne S and Hocking, Emma P and Hodgson, Dominic A and Anderson, John B and Bentley, Michael J and Canals, Miquel and others | Quaternary Science Reviews, 2014 | https://doi.org/10.1016/j.quascirev.2014.06.023 |
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Core information
| Core name | Region | Collection date | IGSN ID | Core type | Latitude (DD) | Longitude (DD) | Water depth (m) |
Core length (m) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| JR157-GC002 | Antarctica, Antarctic Peninsula | None | Gravity | -68.14179 | -70.58201 | 778.0 | 4.14 | Lithology from Figure 3, depths approximate; Lithology from Figure 3, depths approximate; Lithology from Figure 3, depths approximate; Lithology from Figure 3, depths approximate; Lithology from Figure 3, depths approximate |
Expedition information
| Expedition name | Ship | Start date | End date | Report DOI |
|---|---|---|---|---|
| JR157 | RRS James Clark Ross | Jan. 20, 2007 | Feb. 4, 2007 | https://www.bodc.ac.uk/resources/inventories/cruise_inventory/report/7924/ |
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 |
|---|---|---|---|---|---|---|---|---|---|
| SUERC-20979 | 1.87 - 1.915 | Olive gray (5Y5/2 and 5Y4/2), heavily bioturbated, diatomaceous mud. Decreased foraminiera abundance (70-249 planktic and 324-504 benthic individuals). | Open-marine hemipelagic sediments with infrequent ice-rafted debris | Planktic foraminifera (Neogloboquadrina pachyderma) | Carbonate hydrolysis | 9790.0 ± 39.0 | 9096.0 | 9521.0-8591.0 | None |
| SUERC-20980 | 2.405 - 2.445 | Gray (5Y4/1 or 5Y5/1) mud. Diatoms absent. Sand or pebble grains rare. Massive to poorly stratified toward the base, bioturbated. Foraminifera abundance of 3-114 planktic and 40-353 benthic individuals. | Meltwater-derived and/or tidal pumping-derived suspension settling close to the grounding line | Planktic foraminifera (Neogloboquadrina pachyderma) | Carbonate hydrolysis | 11830.0 ± 40.0 | 11866.0 | 12435.0-11298.0 | None |
| SUERC-23755 | 2.78 - 2.86 | Gray (5Y4/1 or 5Y5/1) mud. Diatoms absent. Sand or pebble grains rare. Massive to poorly stratified toward the base, bioturbated. Foraminifera abundance of 3-114 planktic and 40-353 benthic individuals. | Meltwater-derived and/or tidal pumping-derived suspension settling close to the grounding line | Planktic foraminifera (Neogloboquadrina pachyderma) | Carbonate hydrolysis | 13340.0 ± 57.0 | 13554.0 | 14022.0-13119.0 | None |
Associated documents
No associated documents.