Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks
Terrestrial cosmogenic nuclide exposure ages for the Wohlthat Massif (Antarctica), have previously been determined. This was done with Be-10 and Al-26 measurements by accelerator mass spectrometry (AMS) at the AMS facility at the ETH Zurich. In order to determine the extent to which the results from...
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ftubkoeln:oai:USBKOELN.ub.uni-koeln.de:38970 2023-05-15T13:34:42+02:00 Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks Strub, E. Wiesel, H. Delisle, G. Binnie, S. A. Liermann, A. Dunai, T. J. Herpers, U. Dewald, A. Heinze, S. Christl, M. Coenen, H. H. 2015 https://kups.ub.uni-koeln.de/38970/ eng eng ELSEVIER SCIENCE BV Strub, E., Wiesel, H., Delisle, G., Binnie, S. A., Liermann, A., Dunai, T. J., Herpers, U., Dewald, A., Heinze, S., Christl, M. and Coenen, H. H. (2015). Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks. Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms, 361. S. 599 - 604. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1872-9584 ddc:no doc-type:article publishedVersion 2015 ftubkoeln 2022-11-09T07:26:06Z Terrestrial cosmogenic nuclide exposure ages for the Wohlthat Massif (Antarctica), have previously been determined. This was done with Be-10 and Al-26 measurements by accelerator mass spectrometry (AMS) at the AMS facility at the ETH Zurich. In order to determine the extent to which the results from the Wohlthat Massif are of regional significance, additional samples were collected during the 2007 BGR-expedition Queenmet. Two of the Steingarden Nunataks (isolated mountain peaks) were chosen as sampling locations, approximately 100 km south-east of the Wohlthat Massif/Queen Maud Land, at the edge of the Polar Plateau. Quartz rich samples were collected at different elevations on the nunataks to reconstruct an elevation-dependent exposure history. The in situ produced cosmogenic nuclides Be-10 and Al-26 in these samples were measured by AMS. During sample processing the quartz separates were prepared by two different methods (Kohl and Nishiizumi, 1992, Altmaier, 2000) and measurements were performed at two different facilities (CologneAMS und Zurich AMS) to confirm the reproducibility of the results. The new results of rock surface exposure ages reveal that the exposure of the lower nunatak to cosmic radiation started between 0.65 and 1.1 Ma ago, while the more elevated regions of the second nunatak were apparently above the ice 3-4 Ma ago. (C) 2015 Elsevier B.V. All rights reserved. Article in Journal/Newspaper Antarc* Antarctica Queen Maud Land Cologne University: KUPS Isolated Mountain ENVELOPE(-126.604,-126.604,56.550,56.550) Polar Plateau ENVELOPE(0.000,0.000,-90.000,-90.000) Queen Maud Land ENVELOPE(12.000,12.000,-72.500,-72.500) Wohlthat massif ENVELOPE(12.500,12.500,-71.667,-71.667) |
institution |
Open Polar |
collection |
Cologne University: KUPS |
op_collection_id |
ftubkoeln |
language |
English |
topic |
ddc:no |
spellingShingle |
ddc:no Strub, E. Wiesel, H. Delisle, G. Binnie, S. A. Liermann, A. Dunai, T. J. Herpers, U. Dewald, A. Heinze, S. Christl, M. Coenen, H. H. Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks |
topic_facet |
ddc:no |
description |
Terrestrial cosmogenic nuclide exposure ages for the Wohlthat Massif (Antarctica), have previously been determined. This was done with Be-10 and Al-26 measurements by accelerator mass spectrometry (AMS) at the AMS facility at the ETH Zurich. In order to determine the extent to which the results from the Wohlthat Massif are of regional significance, additional samples were collected during the 2007 BGR-expedition Queenmet. Two of the Steingarden Nunataks (isolated mountain peaks) were chosen as sampling locations, approximately 100 km south-east of the Wohlthat Massif/Queen Maud Land, at the edge of the Polar Plateau. Quartz rich samples were collected at different elevations on the nunataks to reconstruct an elevation-dependent exposure history. The in situ produced cosmogenic nuclides Be-10 and Al-26 in these samples were measured by AMS. During sample processing the quartz separates were prepared by two different methods (Kohl and Nishiizumi, 1992, Altmaier, 2000) and measurements were performed at two different facilities (CologneAMS und Zurich AMS) to confirm the reproducibility of the results. The new results of rock surface exposure ages reveal that the exposure of the lower nunatak to cosmic radiation started between 0.65 and 1.1 Ma ago, while the more elevated regions of the second nunatak were apparently above the ice 3-4 Ma ago. (C) 2015 Elsevier B.V. All rights reserved. |
format |
Article in Journal/Newspaper |
author |
Strub, E. Wiesel, H. Delisle, G. Binnie, S. A. Liermann, A. Dunai, T. J. Herpers, U. Dewald, A. Heinze, S. Christl, M. Coenen, H. H. |
author_facet |
Strub, E. Wiesel, H. Delisle, G. Binnie, S. A. Liermann, A. Dunai, T. J. Herpers, U. Dewald, A. Heinze, S. Christl, M. Coenen, H. H. |
author_sort |
Strub, E. |
title |
Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks |
title_short |
Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks |
title_full |
Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks |
title_fullStr |
Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks |
title_full_unstemmed |
Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks |
title_sort |
glaciation history of queen maud land (antarctica) - new exposure data from nunataks |
publisher |
ELSEVIER SCIENCE BV |
publishDate |
2015 |
url |
https://kups.ub.uni-koeln.de/38970/ |
long_lat |
ENVELOPE(-126.604,-126.604,56.550,56.550) ENVELOPE(0.000,0.000,-90.000,-90.000) ENVELOPE(12.000,12.000,-72.500,-72.500) ENVELOPE(12.500,12.500,-71.667,-71.667) |
geographic |
Isolated Mountain Polar Plateau Queen Maud Land Wohlthat massif |
geographic_facet |
Isolated Mountain Polar Plateau Queen Maud Land Wohlthat massif |
genre |
Antarc* Antarctica Queen Maud Land |
genre_facet |
Antarc* Antarctica Queen Maud Land |
op_relation |
Strub, E., Wiesel, H., Delisle, G., Binnie, S. A., Liermann, A., Dunai, T. J., Herpers, U., Dewald, A., Heinze, S., Christl, M. and Coenen, H. H. (2015). Glaciation history of Queen Maud Land (Antarctica) - New exposure data from nunataks. Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms, 361. S. 599 - 604. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1872-9584 |
_version_ |
1766056385138655232 |