The glacial history of the southern Svartenhuk Halvø, West Greenland
This paper presents a new, detailed geomorphological and sedimentological appraisal of the southern Svartenhuk Halvø, a remote area of West Greenland that has only been subjected to limited geomorphological and sedimentological research. Despite this, it is of importance as several studies have sugg...
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Online Access: | http://researchonline.ljmu.ac.uk/id/eprint/2832/ https://researchonline.ljmu.ac.uk/id/eprint/2832/1/The%20glacial%20history%20of%20the%20southern%20Svartenhuk%20Peninsula.pdf https://doi.org/10.1007/s41063-015-0017-5 |
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ftliverpooljmu:oai:researchonline.ljmu.ac.uk:2832 2023-05-15T16:21:15+02:00 The glacial history of the southern Svartenhuk Halvø, West Greenland Lane, TP Roberts, DH Ó Cofaigh, C Vieli, A Moreton, S 2015-12-21 text http://researchonline.ljmu.ac.uk/id/eprint/2832/ https://researchonline.ljmu.ac.uk/id/eprint/2832/1/The%20glacial%20history%20of%20the%20southern%20Svartenhuk%20Peninsula.pdf https://doi.org/10.1007/s41063-015-0017-5 en eng Springer https://researchonline.ljmu.ac.uk/id/eprint/2832/1/The%20glacial%20history%20of%20the%20southern%20Svartenhuk%20Peninsula.pdf Lane, TP, Roberts, DH, Ó Cofaigh, C, Vieli, A and Moreton, S (2015) The glacial history of the southern Svartenhuk Halvø, West Greenland. Arktos. pp. 1-28. ISSN 2364-9461 doi:10.1007/s41063-015-0017-5 DL Northern Europe. Scandinavia QE Geology Article PeerReviewed 2015 ftliverpooljmu https://doi.org/10.1007/s41063-015-0017-5 2022-08-04T22:26:18Z This paper presents a new, detailed geomorphological and sedimentological appraisal of the southern Svartenhuk Halvø, a remote area of West Greenland that has only been subjected to limited geomorphological and sedimentological research. Despite this, it is of importance as several studies have suggested it remained an ice-free enclave during the Last Glacial Maximum. This previous work, based on biostratigraphic and chronological evidence, has provided evidence for the ‘Svartenhuk Marine Event’, a period of ice free conditions and marine deposition into a higher than present relative sea-level during the previous interglacial (MIS 5a–e). This has been correlated to other interglacial deposits in West Greenland. New geomorphological and sedimentological investigations from this study present compelling arguments for the glaciation of southern Svartenhuk Halvø by valley glaciers and mountain ice caps, questioning the status of this peninsula as an ice-free enclave. Ice directional indicators and clast lithological results suggest ice covering Svartenhuk Halvø was sourced from the higher altitude interior of the peninsula and expanded to the present coastline. In a number of valleys, sedimentological evidence points to at least two glacial advances with subglacial till production through the reworking of glaciomarine sediments, and ice contact and glacier-fed delta deposition during phases of ice retreat. The geomorphological and sedimentological context of the sediments (Gilbert type deltas), coupled with evidence for eskers and kettled/pitted delta surfaces, suggests these features formed under glacial and not interglacial conditions. This is supported by new radiocarbon dates which suggest outlet glacier advance and retreat across the area towards the end of MIS 3 and possibly into the Early Holocene. Svartenhuk Halvø was not overrun by the main Greenland Ice Sheet during the last glacial cycle, but the development of an independent ice cap and local outlet glaciers across this region may have been instrumental ... Article in Journal/Newspaper glacier Greenland Ice cap Ice Sheet Svartenhuk halvø Liverpool John Moores University: LJMU Research Online Greenland Svartenhuk ENVELOPE(-55.861,-55.861,71.687,71.687) arktos 1 1 |
institution |
Open Polar |
collection |
Liverpool John Moores University: LJMU Research Online |
op_collection_id |
ftliverpooljmu |
language |
English |
topic |
DL Northern Europe. Scandinavia QE Geology |
spellingShingle |
DL Northern Europe. Scandinavia QE Geology Lane, TP Roberts, DH Ó Cofaigh, C Vieli, A Moreton, S The glacial history of the southern Svartenhuk Halvø, West Greenland |
topic_facet |
DL Northern Europe. Scandinavia QE Geology |
description |
This paper presents a new, detailed geomorphological and sedimentological appraisal of the southern Svartenhuk Halvø, a remote area of West Greenland that has only been subjected to limited geomorphological and sedimentological research. Despite this, it is of importance as several studies have suggested it remained an ice-free enclave during the Last Glacial Maximum. This previous work, based on biostratigraphic and chronological evidence, has provided evidence for the ‘Svartenhuk Marine Event’, a period of ice free conditions and marine deposition into a higher than present relative sea-level during the previous interglacial (MIS 5a–e). This has been correlated to other interglacial deposits in West Greenland. New geomorphological and sedimentological investigations from this study present compelling arguments for the glaciation of southern Svartenhuk Halvø by valley glaciers and mountain ice caps, questioning the status of this peninsula as an ice-free enclave. Ice directional indicators and clast lithological results suggest ice covering Svartenhuk Halvø was sourced from the higher altitude interior of the peninsula and expanded to the present coastline. In a number of valleys, sedimentological evidence points to at least two glacial advances with subglacial till production through the reworking of glaciomarine sediments, and ice contact and glacier-fed delta deposition during phases of ice retreat. The geomorphological and sedimentological context of the sediments (Gilbert type deltas), coupled with evidence for eskers and kettled/pitted delta surfaces, suggests these features formed under glacial and not interglacial conditions. This is supported by new radiocarbon dates which suggest outlet glacier advance and retreat across the area towards the end of MIS 3 and possibly into the Early Holocene. Svartenhuk Halvø was not overrun by the main Greenland Ice Sheet during the last glacial cycle, but the development of an independent ice cap and local outlet glaciers across this region may have been instrumental ... |
format |
Article in Journal/Newspaper |
author |
Lane, TP Roberts, DH Ó Cofaigh, C Vieli, A Moreton, S |
author_facet |
Lane, TP Roberts, DH Ó Cofaigh, C Vieli, A Moreton, S |
author_sort |
Lane, TP |
title |
The glacial history of the southern Svartenhuk Halvø, West Greenland |
title_short |
The glacial history of the southern Svartenhuk Halvø, West Greenland |
title_full |
The glacial history of the southern Svartenhuk Halvø, West Greenland |
title_fullStr |
The glacial history of the southern Svartenhuk Halvø, West Greenland |
title_full_unstemmed |
The glacial history of the southern Svartenhuk Halvø, West Greenland |
title_sort |
glacial history of the southern svartenhuk halvø, west greenland |
publisher |
Springer |
publishDate |
2015 |
url |
http://researchonline.ljmu.ac.uk/id/eprint/2832/ https://researchonline.ljmu.ac.uk/id/eprint/2832/1/The%20glacial%20history%20of%20the%20southern%20Svartenhuk%20Peninsula.pdf https://doi.org/10.1007/s41063-015-0017-5 |
long_lat |
ENVELOPE(-55.861,-55.861,71.687,71.687) |
geographic |
Greenland Svartenhuk |
geographic_facet |
Greenland Svartenhuk |
genre |
glacier Greenland Ice cap Ice Sheet Svartenhuk halvø |
genre_facet |
glacier Greenland Ice cap Ice Sheet Svartenhuk halvø |
op_relation |
https://researchonline.ljmu.ac.uk/id/eprint/2832/1/The%20glacial%20history%20of%20the%20southern%20Svartenhuk%20Peninsula.pdf Lane, TP, Roberts, DH, Ó Cofaigh, C, Vieli, A and Moreton, S (2015) The glacial history of the southern Svartenhuk Halvø, West Greenland. Arktos. pp. 1-28. ISSN 2364-9461 doi:10.1007/s41063-015-0017-5 |
op_doi |
https://doi.org/10.1007/s41063-015-0017-5 |
container_title |
arktos |
container_volume |
1 |
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1 |
_version_ |
1766009258019651584 |