The Distal and Local Volcanic Ash in the Late Pleistocene Sediments of the Termination I Interval at the Reykjanes Ridge, North Atlantic, Based on the Study of the Core AMK-340
We made the geochemical analysis of the volcanic material from the sediment core AMK-340 (the Russian research vessel “Akademik Mstislav Keldysh” station 340), the central zone of the Reykjanes Ridge. Two ash-bearing sediment units within the interval of the Termination I can be detected. They corre...
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ftdoajarticles:oai:doaj.org/article:40ec9ed1cac94786b1d8ca1f48a74813 2023-05-15T17:29:01+02:00 The Distal and Local Volcanic Ash in the Late Pleistocene Sediments of the Termination I Interval at the Reykjanes Ridge, North Atlantic, Based on the Study of the Core AMK-340 Alexander Matul Irina F. Gablina Tatyana A. Khusid Natalya V. Libina Antonina I. Mikhailova 2019-08-01T00:00:00Z https://doi.org/10.3390/geosciences9090379 https://doaj.org/article/40ec9ed1cac94786b1d8ca1f48a74813 EN eng MDPI AG https://www.mdpi.com/2076-3263/9/9/379 https://doaj.org/toc/2076-3263 2076-3263 doi:10.3390/geosciences9090379 https://doaj.org/article/40ec9ed1cac94786b1d8ca1f48a74813 Geosciences, Vol 9, Iss 9, p 379 (2019) tephra in marine sediments Ash Zone I in North Atlantic tephrochronology of Termination I Geology QE1-996.5 article 2019 ftdoajarticles https://doi.org/10.3390/geosciences9090379 2022-12-31T00:19:53Z We made the geochemical analysis of the volcanic material from the sediment core AMK-340 (the Russian research vessel “Akademik Mstislav Keldysh” station 340), the central zone of the Reykjanes Ridge. Two ash-bearing sediment units within the interval of the Termination I can be detected. They correlate with the Ash Zone I in the North Atlantic Late Quaternary sediments having an age of 12,170−12,840 years within the Younger Dryas cold chronozone and 13,600−14,540 years within the Bølling−Allerød warm chronozone. The ash of the Younger Dryas unit is presented mostly by the mafic and persilicic material originated from the Icelandic volcanoes. One sediment sample from this unit contained Vedde Ash material. The ash of the Bølling−Allerød unit is presented mostly by the mafic shards which are related to the basalts of the rift zone on the Reykjanes Ridge, having presumably local origin. Possible detection of Vedde Ash could help to specify the timing of the previously reconstructed paleoceanographic changes for the Termination I in the point of the study: significant warming in the area might have occurred as early as 300 years before the end of the conventional Younger Dryas cold chronozone. Article in Journal/Newspaper North Atlantic Directory of Open Access Journals: DOAJ Articles Reykjanes ENVELOPE(-22.250,-22.250,65.467,65.467) Geosciences 9 9 379 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
tephra in marine sediments Ash Zone I in North Atlantic tephrochronology of Termination I Geology QE1-996.5 |
spellingShingle |
tephra in marine sediments Ash Zone I in North Atlantic tephrochronology of Termination I Geology QE1-996.5 Alexander Matul Irina F. Gablina Tatyana A. Khusid Natalya V. Libina Antonina I. Mikhailova The Distal and Local Volcanic Ash in the Late Pleistocene Sediments of the Termination I Interval at the Reykjanes Ridge, North Atlantic, Based on the Study of the Core AMK-340 |
topic_facet |
tephra in marine sediments Ash Zone I in North Atlantic tephrochronology of Termination I Geology QE1-996.5 |
description |
We made the geochemical analysis of the volcanic material from the sediment core AMK-340 (the Russian research vessel “Akademik Mstislav Keldysh” station 340), the central zone of the Reykjanes Ridge. Two ash-bearing sediment units within the interval of the Termination I can be detected. They correlate with the Ash Zone I in the North Atlantic Late Quaternary sediments having an age of 12,170−12,840 years within the Younger Dryas cold chronozone and 13,600−14,540 years within the Bølling−Allerød warm chronozone. The ash of the Younger Dryas unit is presented mostly by the mafic and persilicic material originated from the Icelandic volcanoes. One sediment sample from this unit contained Vedde Ash material. The ash of the Bølling−Allerød unit is presented mostly by the mafic shards which are related to the basalts of the rift zone on the Reykjanes Ridge, having presumably local origin. Possible detection of Vedde Ash could help to specify the timing of the previously reconstructed paleoceanographic changes for the Termination I in the point of the study: significant warming in the area might have occurred as early as 300 years before the end of the conventional Younger Dryas cold chronozone. |
format |
Article in Journal/Newspaper |
author |
Alexander Matul Irina F. Gablina Tatyana A. Khusid Natalya V. Libina Antonina I. Mikhailova |
author_facet |
Alexander Matul Irina F. Gablina Tatyana A. Khusid Natalya V. Libina Antonina I. Mikhailova |
author_sort |
Alexander Matul |
title |
The Distal and Local Volcanic Ash in the Late Pleistocene Sediments of the Termination I Interval at the Reykjanes Ridge, North Atlantic, Based on the Study of the Core AMK-340 |
title_short |
The Distal and Local Volcanic Ash in the Late Pleistocene Sediments of the Termination I Interval at the Reykjanes Ridge, North Atlantic, Based on the Study of the Core AMK-340 |
title_full |
The Distal and Local Volcanic Ash in the Late Pleistocene Sediments of the Termination I Interval at the Reykjanes Ridge, North Atlantic, Based on the Study of the Core AMK-340 |
title_fullStr |
The Distal and Local Volcanic Ash in the Late Pleistocene Sediments of the Termination I Interval at the Reykjanes Ridge, North Atlantic, Based on the Study of the Core AMK-340 |
title_full_unstemmed |
The Distal and Local Volcanic Ash in the Late Pleistocene Sediments of the Termination I Interval at the Reykjanes Ridge, North Atlantic, Based on the Study of the Core AMK-340 |
title_sort |
distal and local volcanic ash in the late pleistocene sediments of the termination i interval at the reykjanes ridge, north atlantic, based on the study of the core amk-340 |
publisher |
MDPI AG |
publishDate |
2019 |
url |
https://doi.org/10.3390/geosciences9090379 https://doaj.org/article/40ec9ed1cac94786b1d8ca1f48a74813 |
long_lat |
ENVELOPE(-22.250,-22.250,65.467,65.467) |
geographic |
Reykjanes |
geographic_facet |
Reykjanes |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Geosciences, Vol 9, Iss 9, p 379 (2019) |
op_relation |
https://www.mdpi.com/2076-3263/9/9/379 https://doaj.org/toc/2076-3263 2076-3263 doi:10.3390/geosciences9090379 https://doaj.org/article/40ec9ed1cac94786b1d8ca1f48a74813 |
op_doi |
https://doi.org/10.3390/geosciences9090379 |
container_title |
Geosciences |
container_volume |
9 |
container_issue |
9 |
container_start_page |
379 |
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1766122331747385344 |