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Northeast Atlantic breakup volcanism and consequences for Paleogene climate change - MagellanPlus Workshop report
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Number of Authors: 122019 (English)In: Scientific Drilling, ISSN 1816-8957, E-ISSN 1816-3459, Vol. 26, p. 69-85Article in journal (Refereed) Published
Abstract [en]

The northeast Atlantic encompasses archetypal examples of volcanic rifted margins. Twenty-five years after the last ODP (Ocean Drilling Program) leg on these volcanic margins, the reasons for excess melting are still disputed with at least three competing hypotheses being discussed. We are proposing a new drilling campaign that will constrain the timing, rates of volcanism, and vertical movements of rifted margins. This will allow us to parameterise geodynamic models that can distinguish between the hypotheses. Furthermore, the drilling-derived data will help us to understand the role of breakup magmatism as a potential driver for the Palaeocene-Eocene thermal maximum (PETM) and its influence on the oceanographic circulation in the earliest phase of the northeast Atlantic Ocean formation. Tackling these questions with a new drilling campaign in the northeast Atlantic region will advance our understanding of the long-term interactions between tectonics, volcanism, oceanography, and climate and the functioning of subpolar northern ecosystems and climate during intervals of extreme warmth.

Place, publisher, year, edition, pages
2019. Vol. 26, p. 69-85
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Earth and Related Environmental Sciences
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URN: urn:nbn:se:su:diva-177585DOI: 10.5194/sd-26-69-2019ISI: 000500242300006OAI: oai:DiVA.org:su-177585DiVA, id: diva2:1385731
Available from: 2020-01-15 Created: 2020-01-15 Last updated: 2020-01-15Bibliographically approved

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Frieling, JoostJones, Morgan T.Coxall, Helen
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