Identification of cryptotephra horizons in a North East Atlantic marine record spanning marine isotope stages 4 and 5a (similar to 60,000-82,000 a b2k)

Peter M. Abbott; Siwan M. Davies; William E. N. Austin; Nicholas J. G. Pearce; Fiona D. Hibbert

doi:10.1016/j.quaint.2011.07.033

Identification of cryptotephra horizons in a North East Atlantic marine record spanning marine isotope stages 4 and 5a (similar to 60,000-82,000 a b2k)

Peter M. Abbott^*, Siwan M. Davies, William E. N. Austin, Nicholas J. G. Pearce, Fiona D. Hibbert

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

41 Citations (Scopus)

Abstract

Tephrochronology is one of the few techniques that offer considerable, but as yet largely unrealised, potential for the correlation of North Atlantic palaeoclimatic archives spanning the MIS 4 and 5a substage period - a phase of pronounced global cooling during the initiation of the last glacial period. In this investigation, two previously unidentified rhyolitic tephra horizons believed to be sourced from Iceland were isolated within the giant piston core MD04-2822, retrieved from the Rockall Trough, North East Atlantic. One horizon was deposited at the beginning of Greenland Stadial 19 (similar to 70,150 a b2k) and the other around the cooling transition at the end of Greenland Interstadial 20 (similar to 75,320 a b2k). Density separation, EPMA and LA-ICP-MS techniques were utilised for the identification of these cryptotephra within the fine-fraction sediment (

Original language	English
Pages (from-to)	177-189
Number of pages	13
Journal	Quaternary International
Volume	246
DOIs	https://doi.org/10.1016/j.quaint.2011.07.033
Publication status	Published - 20 Dec 2011

Keywords

ICE-CORE
HIGH-RESOLUTION
LAST INTERGLACIAL PERIOD
VEDDE ASH
NORWEGIAN SEA
LATE QUATERNARY
GLASS SHARDS
TEPHRA LAYERS
VOLCANIC ASH LAYERS
SILICIC VOLCANISM

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.quaint.2011.07.033

Holocene tephra constraints on the timin: Holocene tephra constraints on the timing of millennial-scale variability in the sub polar North Atlantic
Austin, W. (PI) & Cage, A. G. (CoI)
NERC
1/02/10 → 31/07/11
Project: Standard

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@article{3ad52055cae54648a5b230b74ad8f593,

title = "Identification of cryptotephra horizons in a North East Atlantic marine record spanning marine isotope stages 4 and 5a (similar to 60,000-82,000 a b2k)",

abstract = "Tephrochronology is one of the few techniques that offer considerable, but as yet largely unrealised, potential for the correlation of North Atlantic palaeoclimatic archives spanning the MIS 4 and 5a substage period - a phase of pronounced global cooling during the initiation of the last glacial period. In this investigation, two previously unidentified rhyolitic tephra horizons believed to be sourced from Iceland were isolated within the giant piston core MD04-2822, retrieved from the Rockall Trough, North East Atlantic. One horizon was deposited at the beginning of Greenland Stadial 19 (similar to 70,150 a b2k) and the other around the cooling transition at the end of Greenland Interstadial 20 (similar to 75,320 a b2k). Density separation, EPMA and LA-ICP-MS techniques were utilised for the identification of these cryptotephra within the fine-fraction sediment (",

keywords = "ICE-CORE, HIGH-RESOLUTION, LAST INTERGLACIAL PERIOD, VEDDE ASH, NORWEGIAN SEA, LATE QUATERNARY, GLASS SHARDS, TEPHRA LAYERS, VOLCANIC ASH LAYERS, SILICIC VOLCANISM",

author = "Abbott, {Peter M.} and Davies, {Siwan M.} and Austin, {William E. N.} and Pearce, {Nicholas J. G.} and Hibbert, {Fiona D.}",

year = "2011",

month = dec,

day = "20",

doi = "10.1016/j.quaint.2011.07.033",

language = "English",

volume = "246",

pages = "177--189",

journal = "Quaternary International",

issn = "1040-6182",

publisher = "PERGAMON-ELSEVIER SCIENCE LTD",

}

TY - JOUR

T1 - Identification of cryptotephra horizons in a North East Atlantic marine record spanning marine isotope stages 4 and 5a (similar to 60,000-82,000 a b2k)

AU - Abbott, Peter M.

AU - Davies, Siwan M.

AU - Austin, William E. N.

AU - Pearce, Nicholas J. G.

AU - Hibbert, Fiona D.

PY - 2011/12/20

Y1 - 2011/12/20

N2 - Tephrochronology is one of the few techniques that offer considerable, but as yet largely unrealised, potential for the correlation of North Atlantic palaeoclimatic archives spanning the MIS 4 and 5a substage period - a phase of pronounced global cooling during the initiation of the last glacial period. In this investigation, two previously unidentified rhyolitic tephra horizons believed to be sourced from Iceland were isolated within the giant piston core MD04-2822, retrieved from the Rockall Trough, North East Atlantic. One horizon was deposited at the beginning of Greenland Stadial 19 (similar to 70,150 a b2k) and the other around the cooling transition at the end of Greenland Interstadial 20 (similar to 75,320 a b2k). Density separation, EPMA and LA-ICP-MS techniques were utilised for the identification of these cryptotephra within the fine-fraction sediment (

AB - Tephrochronology is one of the few techniques that offer considerable, but as yet largely unrealised, potential for the correlation of North Atlantic palaeoclimatic archives spanning the MIS 4 and 5a substage period - a phase of pronounced global cooling during the initiation of the last glacial period. In this investigation, two previously unidentified rhyolitic tephra horizons believed to be sourced from Iceland were isolated within the giant piston core MD04-2822, retrieved from the Rockall Trough, North East Atlantic. One horizon was deposited at the beginning of Greenland Stadial 19 (similar to 70,150 a b2k) and the other around the cooling transition at the end of Greenland Interstadial 20 (similar to 75,320 a b2k). Density separation, EPMA and LA-ICP-MS techniques were utilised for the identification of these cryptotephra within the fine-fraction sediment (

KW - ICE-CORE

KW - HIGH-RESOLUTION

KW - LAST INTERGLACIAL PERIOD

KW - VEDDE ASH

KW - NORWEGIAN SEA

KW - LATE QUATERNARY

KW - GLASS SHARDS

KW - TEPHRA LAYERS

KW - VOLCANIC ASH LAYERS

KW - SILICIC VOLCANISM

U2 - 10.1016/j.quaint.2011.07.033

DO - 10.1016/j.quaint.2011.07.033

M3 - Article

SN - 1040-6182

VL - 246

SP - 177

EP - 189

JO - Quaternary International

JF - Quaternary International

ER -

Identification of cryptotephra horizons in a North East Atlantic marine record spanning marine isotope stages 4 and 5a (similar to 60,000-82,000 a b2k)

Abstract

Keywords

UN SDGs

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Projects

Holocene tephra constraints on the timin: Holocene tephra constraints on the timing of millennial-scale variability in the sub polar North Atlantic

Cite this