Mid‐ Weichselian interstadial in Kolari, western Finnish Lapland
F innish L apland is known as an area where numerous sites with sediments from P leistocene glacial and interglacial periods occur. Recent sedimentological observations and dating call for reinterpretation of the record, which shows a complicated M id‐ W eichselian ice‐sheet evolution within the ice...
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Online Access: | http://dx.doi.org/10.1111/bor.12060 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fbor.12060 https://onlinelibrary.wiley.com/doi/pdf/10.1111/bor.12060 |
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crwiley:10.1111/bor.12060 2024-06-02T08:08:17+00:00 Mid‐ Weichselian interstadial in Kolari, western Finnish Lapland Salonen, Veli‐Pekka Moreau, Julien Hyttinen, Outi Eskola, Kari O. 2014 http://dx.doi.org/10.1111/bor.12060 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fbor.12060 https://onlinelibrary.wiley.com/doi/pdf/10.1111/bor.12060 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Boreas volume 43, issue 3, page 627-638 ISSN 0300-9483 1502-3885 journal-article 2014 crwiley https://doi.org/10.1111/bor.12060 2024-05-03T11:04:50Z F innish L apland is known as an area where numerous sites with sediments from P leistocene glacial and interglacial periods occur. Recent sedimentological observations and dating call for reinterpretation of the record, which shows a complicated M id‐ W eichselian ice‐sheet evolution within the ice‐divide zone. Here, a large, previously unstudied section from a former H annukainen iron mine was investigated sedimentologically and dated with optically stimulated luminescence ( OSL ). Ten sedimentary units were identified displaying a variety of depositional environments (glacial, glaciolacustrine, fluvial and aeolian). They are all – except for the lowermost, deeply weathered till – interpreted to be of M id‐ or L ate W eichselian/ H olocene age. Five OSL samples from fluvial sediments give ages ranging from 55 to 35 ka, indicating two MIS 3 ice‐free intervals of unknown duration. The M id‐ W eichselian interstadial was interrupted by a re‐advance event, which occurred later than 35 ka and caused glaciotectonic deformation, folding and stacking of older sediments. This new evidence emphasizes the importance of the K olari area when unravelling the complex L ate P leistocene glacial history of northern F inland and adjacent regions. Article in Journal/Newspaper Ice Sheet Lapland Wiley Online Library Kolari ENVELOPE(24.173,24.173,67.292,67.292) Boreas 43 3 627 638 |
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Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
F innish L apland is known as an area where numerous sites with sediments from P leistocene glacial and interglacial periods occur. Recent sedimentological observations and dating call for reinterpretation of the record, which shows a complicated M id‐ W eichselian ice‐sheet evolution within the ice‐divide zone. Here, a large, previously unstudied section from a former H annukainen iron mine was investigated sedimentologically and dated with optically stimulated luminescence ( OSL ). Ten sedimentary units were identified displaying a variety of depositional environments (glacial, glaciolacustrine, fluvial and aeolian). They are all – except for the lowermost, deeply weathered till – interpreted to be of M id‐ or L ate W eichselian/ H olocene age. Five OSL samples from fluvial sediments give ages ranging from 55 to 35 ka, indicating two MIS 3 ice‐free intervals of unknown duration. The M id‐ W eichselian interstadial was interrupted by a re‐advance event, which occurred later than 35 ka and caused glaciotectonic deformation, folding and stacking of older sediments. This new evidence emphasizes the importance of the K olari area when unravelling the complex L ate P leistocene glacial history of northern F inland and adjacent regions. |
format |
Article in Journal/Newspaper |
author |
Salonen, Veli‐Pekka Moreau, Julien Hyttinen, Outi Eskola, Kari O. |
spellingShingle |
Salonen, Veli‐Pekka Moreau, Julien Hyttinen, Outi Eskola, Kari O. Mid‐ Weichselian interstadial in Kolari, western Finnish Lapland |
author_facet |
Salonen, Veli‐Pekka Moreau, Julien Hyttinen, Outi Eskola, Kari O. |
author_sort |
Salonen, Veli‐Pekka |
title |
Mid‐ Weichselian interstadial in Kolari, western Finnish Lapland |
title_short |
Mid‐ Weichselian interstadial in Kolari, western Finnish Lapland |
title_full |
Mid‐ Weichselian interstadial in Kolari, western Finnish Lapland |
title_fullStr |
Mid‐ Weichselian interstadial in Kolari, western Finnish Lapland |
title_full_unstemmed |
Mid‐ Weichselian interstadial in Kolari, western Finnish Lapland |
title_sort |
mid‐ weichselian interstadial in kolari, western finnish lapland |
publisher |
Wiley |
publishDate |
2014 |
url |
http://dx.doi.org/10.1111/bor.12060 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fbor.12060 https://onlinelibrary.wiley.com/doi/pdf/10.1111/bor.12060 |
long_lat |
ENVELOPE(24.173,24.173,67.292,67.292) |
geographic |
Kolari |
geographic_facet |
Kolari |
genre |
Ice Sheet Lapland |
genre_facet |
Ice Sheet Lapland |
op_source |
Boreas volume 43, issue 3, page 627-638 ISSN 0300-9483 1502-3885 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/bor.12060 |
container_title |
Boreas |
container_volume |
43 |
container_issue |
3 |
container_start_page |
627 |
op_container_end_page |
638 |
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1800753498400227328 |