Towards a Holocene tephrochronology for the Faroe Islands, North Atlantic
The Faroe Islands hold a key position in the North Atlantic region for tephra studies due to their relative proximity to Iceland. Several tephras have been described over the last 50 years in peat and lake sediment sequences, including the type sites for the Saksunarvatn and Mjáuvøtn tephras. Here w...
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ftulundlup:oai:lup.lub.lu.se:3f904e30-b4e4-45d3-a233-9be3916bd7ea 2023-05-15T16:10:14+02:00 Towards a Holocene tephrochronology for the Faroe Islands, North Atlantic Wastegård, Stefan Gudmundsdóttir, Esther R. Lind, Ewa M. Timms, Rhys G.O. Björck, Svante Hannon, Gina E. Olsen, Jesper Rundgren, Mats 2018-09-01 https://lup.lub.lu.se/record/3f904e30-b4e4-45d3-a233-9be3916bd7ea https://doi.org/10.1016/j.quascirev.2018.07.024 eng eng Elsevier https://lup.lub.lu.se/record/3f904e30-b4e4-45d3-a233-9be3916bd7ea http://dx.doi.org/10.1016/j.quascirev.2018.07.024 scopus:85050465468 Quaternary Science Reviews; 195, pp 195-214 (2018) ISSN: 0277-3791 Geology Faroe Islands Holocene North Atlantic Paleoclimatology Quaternary contributiontojournal/article info:eu-repo/semantics/article text 2018 ftulundlup https://doi.org/10.1016/j.quascirev.2018.07.024 2023-02-01T23:36:48Z The Faroe Islands hold a key position in the North Atlantic region for tephra studies due to their relative proximity to Iceland. Several tephras have been described over the last 50 years in peat and lake sediment sequences, including the type sites for the Saksunarvatn and Mjáuvøtn tephras. Here we present a comprehensive overview of Holocene tephras found on the Faroe Island. In total 23 tephra layers are described including visible macrotephras such as the Saksunarvatn and Hekla 4 tephras and several cryptotephras. The importance of tephras originally described from the Faroe Islands is highlighted and previously unpublished results are included. In addition, full datasets for several sites are published here for the first time. The Saksunarvatn Ash, now considered to be the result of several eruptions rather than one major eruption, can be separated into two phases on the Faroe Islands; one early phase with two precursor eruptions with lower MgO concentrations (4.5–5.0 wt%) than the main eruption and a later phase with higher MgO concentrations (5.5–6.0 wt%), including the visible Saksunarvatn Ash. The Tjørnuvík Tephra, previously considered to be a primary deposit, is now interpreted as a reworked tephra with material from at least two middle Holocene eruptions of Hekla. Several of the tephras identified on the Faroe Islands provide useful isochrons for climate events during the Holocene. Article in Journal/Newspaper Faroe Islands Iceland North Atlantic Lund University Publications (LUP) Faroe Islands Saksunarvatn ENVELOPE(-7.150,-7.150,62.233,62.233) Tjørnuvík ENVELOPE(-7.146,-7.146,62.289,62.289) Quaternary Science Reviews 195 195 214 |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Geology Faroe Islands Holocene North Atlantic Paleoclimatology Quaternary |
spellingShingle |
Geology Faroe Islands Holocene North Atlantic Paleoclimatology Quaternary Wastegård, Stefan Gudmundsdóttir, Esther R. Lind, Ewa M. Timms, Rhys G.O. Björck, Svante Hannon, Gina E. Olsen, Jesper Rundgren, Mats Towards a Holocene tephrochronology for the Faroe Islands, North Atlantic |
topic_facet |
Geology Faroe Islands Holocene North Atlantic Paleoclimatology Quaternary |
description |
The Faroe Islands hold a key position in the North Atlantic region for tephra studies due to their relative proximity to Iceland. Several tephras have been described over the last 50 years in peat and lake sediment sequences, including the type sites for the Saksunarvatn and Mjáuvøtn tephras. Here we present a comprehensive overview of Holocene tephras found on the Faroe Island. In total 23 tephra layers are described including visible macrotephras such as the Saksunarvatn and Hekla 4 tephras and several cryptotephras. The importance of tephras originally described from the Faroe Islands is highlighted and previously unpublished results are included. In addition, full datasets for several sites are published here for the first time. The Saksunarvatn Ash, now considered to be the result of several eruptions rather than one major eruption, can be separated into two phases on the Faroe Islands; one early phase with two precursor eruptions with lower MgO concentrations (4.5–5.0 wt%) than the main eruption and a later phase with higher MgO concentrations (5.5–6.0 wt%), including the visible Saksunarvatn Ash. The Tjørnuvík Tephra, previously considered to be a primary deposit, is now interpreted as a reworked tephra with material from at least two middle Holocene eruptions of Hekla. Several of the tephras identified on the Faroe Islands provide useful isochrons for climate events during the Holocene. |
format |
Article in Journal/Newspaper |
author |
Wastegård, Stefan Gudmundsdóttir, Esther R. Lind, Ewa M. Timms, Rhys G.O. Björck, Svante Hannon, Gina E. Olsen, Jesper Rundgren, Mats |
author_facet |
Wastegård, Stefan Gudmundsdóttir, Esther R. Lind, Ewa M. Timms, Rhys G.O. Björck, Svante Hannon, Gina E. Olsen, Jesper Rundgren, Mats |
author_sort |
Wastegård, Stefan |
title |
Towards a Holocene tephrochronology for the Faroe Islands, North Atlantic |
title_short |
Towards a Holocene tephrochronology for the Faroe Islands, North Atlantic |
title_full |
Towards a Holocene tephrochronology for the Faroe Islands, North Atlantic |
title_fullStr |
Towards a Holocene tephrochronology for the Faroe Islands, North Atlantic |
title_full_unstemmed |
Towards a Holocene tephrochronology for the Faroe Islands, North Atlantic |
title_sort |
towards a holocene tephrochronology for the faroe islands, north atlantic |
publisher |
Elsevier |
publishDate |
2018 |
url |
https://lup.lub.lu.se/record/3f904e30-b4e4-45d3-a233-9be3916bd7ea https://doi.org/10.1016/j.quascirev.2018.07.024 |
long_lat |
ENVELOPE(-7.150,-7.150,62.233,62.233) ENVELOPE(-7.146,-7.146,62.289,62.289) |
geographic |
Faroe Islands Saksunarvatn Tjørnuvík |
geographic_facet |
Faroe Islands Saksunarvatn Tjørnuvík |
genre |
Faroe Islands Iceland North Atlantic |
genre_facet |
Faroe Islands Iceland North Atlantic |
op_source |
Quaternary Science Reviews; 195, pp 195-214 (2018) ISSN: 0277-3791 |
op_relation |
https://lup.lub.lu.se/record/3f904e30-b4e4-45d3-a233-9be3916bd7ea http://dx.doi.org/10.1016/j.quascirev.2018.07.024 scopus:85050465468 |
op_doi |
https://doi.org/10.1016/j.quascirev.2018.07.024 |
container_title |
Quaternary Science Reviews |
container_volume |
195 |
container_start_page |
195 |
op_container_end_page |
214 |
_version_ |
1765995446151413760 |