Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth
Earth’s surface and mantle sulphur reservoirs are connected via subduction, crustal recycling and volcanism. Although oceanic hotspot lavas currently provide the best constraints on the deep sulphur cycle, their restricted age range (<200 Ma) means they cannot reveal temporal variations in crusta...
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ftoslouniv:oai:www.duo.uio.no:10852/74310 2023-05-15T16:28:54+02:00 Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth Hutchison, William Babiel, Rainer J. Finch, Adrian A. Marks, Michael A. W. Markl, Gregor Boyce, Adrian J. Stüeken, Eva E. Friis, Henrik Borst, Anouk M. Horsburgh, Nicola J. 2019-09-16T20:43:46Z http://hdl.handle.net/10852/74310 http://urn.nb.no/URN:NBN:no-77415 https://doi.org/10.1038/s41467-019-12218-1 EN eng http://urn.nb.no/URN:NBN:no-77415 Hutchison, William Babiel, Rainer J. Finch, Adrian A. Marks, Michael A. W. Markl, Gregor Boyce, Adrian J. Stüeken, Eva E. Friis, Henrik Borst, Anouk M. Horsburgh, Nicola J. . Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth. Nature Communications. 2019, 10 http://hdl.handle.net/10852/74310 1725372 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Nature Communications&rft.volume=10&rft.spage=&rft.date=2019 Nature Communications 10 1 12 https://doi.org/10.1038/s41467-019-12218-1 URN:NBN:no-77415 Fulltext https://www.duo.uio.no/bitstream/handle/10852/74310/2/Hutchison%2Bet%2Bal%2B2019_Sulphur%2Bisotopes%2B.pdf Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ CC-BY 2041-1723 Journal article Tidsskriftartikkel Peer reviewed PublishedVersion 2019 ftoslouniv https://doi.org/10.1038/s41467-019-12218-1 2020-06-21T08:53:56Z Earth’s surface and mantle sulphur reservoirs are connected via subduction, crustal recycling and volcanism. Although oceanic hotspot lavas currently provide the best constraints on the deep sulphur cycle, their restricted age range (<200 Ma) means they cannot reveal temporal variations in crustal recycling over Earth history. Sulphur-rich alkaline magmas offer the solution because they are associated with recycled sources (i.e. metasomatized lithospheric mantle and plumes) and, crucially, are found throughout the geological record. Here, we present a detailed study of sulphur isotope fractionation in a Mesoproterozoic alkaline province in Greenland and demonstrate that an enriched subduction-influenced source (δ34S of +1 to +5‰) can be reconstructed. A global δ34S compilation reveals secular variation in alkaline magma sources which support changes in the composition of the lithospheric mantle and/or Ga timescales for deep crustal recycling. Thus, alkaline magmas represent a powerful yet underutilized repository for interrogating crustal recycling through geological time. Article in Journal/Newspaper Greenland Universitet i Oslo: Digitale utgivelser ved UiO (DUO) Greenland Nature Communications 10 1 |
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Universitet i Oslo: Digitale utgivelser ved UiO (DUO) |
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language |
English |
description |
Earth’s surface and mantle sulphur reservoirs are connected via subduction, crustal recycling and volcanism. Although oceanic hotspot lavas currently provide the best constraints on the deep sulphur cycle, their restricted age range (<200 Ma) means they cannot reveal temporal variations in crustal recycling over Earth history. Sulphur-rich alkaline magmas offer the solution because they are associated with recycled sources (i.e. metasomatized lithospheric mantle and plumes) and, crucially, are found throughout the geological record. Here, we present a detailed study of sulphur isotope fractionation in a Mesoproterozoic alkaline province in Greenland and demonstrate that an enriched subduction-influenced source (δ34S of +1 to +5‰) can be reconstructed. A global δ34S compilation reveals secular variation in alkaline magma sources which support changes in the composition of the lithospheric mantle and/or Ga timescales for deep crustal recycling. Thus, alkaline magmas represent a powerful yet underutilized repository for interrogating crustal recycling through geological time. |
format |
Article in Journal/Newspaper |
author |
Hutchison, William Babiel, Rainer J. Finch, Adrian A. Marks, Michael A. W. Markl, Gregor Boyce, Adrian J. Stüeken, Eva E. Friis, Henrik Borst, Anouk M. Horsburgh, Nicola J. |
spellingShingle |
Hutchison, William Babiel, Rainer J. Finch, Adrian A. Marks, Michael A. W. Markl, Gregor Boyce, Adrian J. Stüeken, Eva E. Friis, Henrik Borst, Anouk M. Horsburgh, Nicola J. Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth |
author_facet |
Hutchison, William Babiel, Rainer J. Finch, Adrian A. Marks, Michael A. W. Markl, Gregor Boyce, Adrian J. Stüeken, Eva E. Friis, Henrik Borst, Anouk M. Horsburgh, Nicola J. |
author_sort |
Hutchison, William |
title |
Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth |
title_short |
Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth |
title_full |
Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth |
title_fullStr |
Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth |
title_full_unstemmed |
Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth |
title_sort |
sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on earth |
publishDate |
2019 |
url |
http://hdl.handle.net/10852/74310 http://urn.nb.no/URN:NBN:no-77415 https://doi.org/10.1038/s41467-019-12218-1 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland |
genre_facet |
Greenland |
op_source |
2041-1723 |
op_relation |
http://urn.nb.no/URN:NBN:no-77415 Hutchison, William Babiel, Rainer J. Finch, Adrian A. Marks, Michael A. W. Markl, Gregor Boyce, Adrian J. Stüeken, Eva E. Friis, Henrik Borst, Anouk M. Horsburgh, Nicola J. . Sulphur isotopes of alkaline magmas unlock longterm records of crustal recycling on Earth. Nature Communications. 2019, 10 http://hdl.handle.net/10852/74310 1725372 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Nature Communications&rft.volume=10&rft.spage=&rft.date=2019 Nature Communications 10 1 12 https://doi.org/10.1038/s41467-019-12218-1 URN:NBN:no-77415 Fulltext https://www.duo.uio.no/bitstream/handle/10852/74310/2/Hutchison%2Bet%2Bal%2B2019_Sulphur%2Bisotopes%2B.pdf |
op_rights |
Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1038/s41467-019-12218-1 |
container_title |
Nature Communications |
container_volume |
10 |
container_issue |
1 |
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1766018576555180032 |