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Assessing the composition and timing of Late Quaternary volcanic eruptions in southern South America using tephra layers from lacustrine and peat sequences

Abstract:

Volcanic ash (tephra) deposits from large, explosive events travel great distances and can form visible or invisible (cryptotephra) layers in sedimentary archives. These layers have unique chemical (glass) compositions which are useful for stratigraphic correlations; correlating tephra over wide regions can provide temporal constraints on varying magma chemistry, eruption style, frequency and magnitude. Eruptive behavior has been proposed as partially controlled by ice-unloading at the end...

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Division:
SSD
Department:
School of Archaeology
Department:
University of Oxford
Role:
Author

Contributors

Department:
University of Oxford
Role:
Supervisor
Department:
Université Libre de Bruxelles
Role:
Supervisor
Department:
Stockholm University
Role:
Supervisor
Department:
University of Oxford
Role:
Examiner
Department:
Queens University Belfast
Role:
Examiner
More from this funder
Funding agency for:
Smith, R
Grant:
NE/L002621/1
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford
Language:
English
Keywords:
Subjects:
UUID:
uuid:fab7b816-27c4-4ea2-8ddb-dc9dad1b23ad
Deposit date:
2020-01-28

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