Trace elements and cathodoluminescence of detrital quartz in Arctic marine sediments - a new ice-rafted debris provenance proxy
The records of ice-rafted debris (IRD) provenance in the North Atlantic–Barents Sea allow the reconstruction of the spatial and temporal changes of ice-flow drainage patterns during glacial and deglacial periods. In this study a new approach to characterization of the provenance of detrital quartz g...
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Online Access: | https://hdl.handle.net/10037/5985 https://doi.org/10.5194/cp-9-2615-2013 |
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ftunivtroemsoe:oai:munin.uit.no:10037/5985 2023-05-15T14:59:22+02:00 Trace elements and cathodoluminescence of detrital quartz in Arctic marine sediments - a new ice-rafted debris provenance proxy Muller, A Knies, Jochen 2013 https://hdl.handle.net/10037/5985 https://doi.org/10.5194/cp-9-2615-2013 eng eng Copernicus Climate of the Past 9(2013) nr. 6 s. 2615-2630 FRIDAID 1116138 http://dx.doi.org/10.5194/cp-9-2615-2013 1814-9324 https://hdl.handle.net/10037/5985 URN:NBN:no-uit_munin_5657 openAccess VDP::Mathematics and natural science: 400::Geosciences: 450::Sedimentology: 456 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Sedimentologi: 456 Journal article Tidsskriftartikkel Peer reviewed 2013 ftunivtroemsoe https://doi.org/10.5194/cp-9-2615-2013 2021-06-25T17:53:49Z The records of ice-rafted debris (IRD) provenance in the North Atlantic–Barents Sea allow the reconstruction of the spatial and temporal changes of ice-flow drainage patterns during glacial and deglacial periods. In this study a new approach to characterization of the provenance of detrital quartz grains in the fraction > 500 μm of marine sediments offshore of Spitsbergen is introduced, utilizing scanning electron microscope backscattered electron and cathodoluminescence (CL) imaging, combined with laser ablation inductively coupled plasma mass spectrometry. Based on their micro-inclusions, CL and trace element characteristics, the investigated IRD grains can be classified into five distinct populations. Three of the populations are indicative of potential IRD provenance provinces in the Storfjord area including Barentsøya and Edgeøya. The results imply that under modern (interglacial) conditions IRD deposition along the western Spitsbergen margin is mainly governed by the East Spitsbergen Current controlling the ice-drift pattern. The presence of detrital quartz from local provinces, however, indicates that variations in IRD supply from western Spitsbergen may be quantified as well. In this pilot study it is demonstrated that this new approach applied on Arctic continental margin sediments bears a considerable potential for the definition of the sources of IRD and thus of spatial/temporal changes in ice-flow drainage patterns during glacial/interglacial cycles. Article in Journal/Newspaper Arctic Barents Sea Barentsøya Edgeøya North Atlantic Spitsbergen University of Tromsø: Munin Open Research Archive Arctic Barents Sea Edgeøya ENVELOPE(22.500,22.500,77.750,77.750) Barentsøya ENVELOPE(21.250,21.250,78.450,78.450) Climate of the Past 9 6 2615 2630 |
institution |
Open Polar |
collection |
University of Tromsø: Munin Open Research Archive |
op_collection_id |
ftunivtroemsoe |
language |
English |
topic |
VDP::Mathematics and natural science: 400::Geosciences: 450::Sedimentology: 456 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Sedimentologi: 456 |
spellingShingle |
VDP::Mathematics and natural science: 400::Geosciences: 450::Sedimentology: 456 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Sedimentologi: 456 Muller, A Knies, Jochen Trace elements and cathodoluminescence of detrital quartz in Arctic marine sediments - a new ice-rafted debris provenance proxy |
topic_facet |
VDP::Mathematics and natural science: 400::Geosciences: 450::Sedimentology: 456 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Sedimentologi: 456 |
description |
The records of ice-rafted debris (IRD) provenance in the North Atlantic–Barents Sea allow the reconstruction of the spatial and temporal changes of ice-flow drainage patterns during glacial and deglacial periods. In this study a new approach to characterization of the provenance of detrital quartz grains in the fraction > 500 μm of marine sediments offshore of Spitsbergen is introduced, utilizing scanning electron microscope backscattered electron and cathodoluminescence (CL) imaging, combined with laser ablation inductively coupled plasma mass spectrometry. Based on their micro-inclusions, CL and trace element characteristics, the investigated IRD grains can be classified into five distinct populations. Three of the populations are indicative of potential IRD provenance provinces in the Storfjord area including Barentsøya and Edgeøya. The results imply that under modern (interglacial) conditions IRD deposition along the western Spitsbergen margin is mainly governed by the East Spitsbergen Current controlling the ice-drift pattern. The presence of detrital quartz from local provinces, however, indicates that variations in IRD supply from western Spitsbergen may be quantified as well. In this pilot study it is demonstrated that this new approach applied on Arctic continental margin sediments bears a considerable potential for the definition of the sources of IRD and thus of spatial/temporal changes in ice-flow drainage patterns during glacial/interglacial cycles. |
format |
Article in Journal/Newspaper |
author |
Muller, A Knies, Jochen |
author_facet |
Muller, A Knies, Jochen |
author_sort |
Muller, A |
title |
Trace elements and cathodoluminescence of detrital quartz in Arctic marine sediments - a new ice-rafted debris provenance proxy |
title_short |
Trace elements and cathodoluminescence of detrital quartz in Arctic marine sediments - a new ice-rafted debris provenance proxy |
title_full |
Trace elements and cathodoluminescence of detrital quartz in Arctic marine sediments - a new ice-rafted debris provenance proxy |
title_fullStr |
Trace elements and cathodoluminescence of detrital quartz in Arctic marine sediments - a new ice-rafted debris provenance proxy |
title_full_unstemmed |
Trace elements and cathodoluminescence of detrital quartz in Arctic marine sediments - a new ice-rafted debris provenance proxy |
title_sort |
trace elements and cathodoluminescence of detrital quartz in arctic marine sediments - a new ice-rafted debris provenance proxy |
publisher |
Copernicus |
publishDate |
2013 |
url |
https://hdl.handle.net/10037/5985 https://doi.org/10.5194/cp-9-2615-2013 |
long_lat |
ENVELOPE(22.500,22.500,77.750,77.750) ENVELOPE(21.250,21.250,78.450,78.450) |
geographic |
Arctic Barents Sea Edgeøya Barentsøya |
geographic_facet |
Arctic Barents Sea Edgeøya Barentsøya |
genre |
Arctic Barents Sea Barentsøya Edgeøya North Atlantic Spitsbergen |
genre_facet |
Arctic Barents Sea Barentsøya Edgeøya North Atlantic Spitsbergen |
op_relation |
Climate of the Past 9(2013) nr. 6 s. 2615-2630 FRIDAID 1116138 http://dx.doi.org/10.5194/cp-9-2615-2013 1814-9324 https://hdl.handle.net/10037/5985 URN:NBN:no-uit_munin_5657 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.5194/cp-9-2615-2013 |
container_title |
Climate of the Past |
container_volume |
9 |
container_issue |
6 |
container_start_page |
2615 |
op_container_end_page |
2630 |
_version_ |
1766331481426231296 |