Sunda arc mantle source δ18O value revealed by intracrystal isotope analysis

Frances M. Deegan; Martin J. Whitehouse; Valentin R. Troll; Harri Geiger; Heejin Jeon; Petrus le Roux; Chris Harris; Marcel van Helden; Osvaldo González-Maurel

doi:10.1038/s41467-021-24143-3

Nature Communications (Jun 2021)

Sunda arc mantle source δ18O value revealed by intracrystal isotope analysis

Frances M. Deegan,
Martin J. Whitehouse,
Valentin R. Troll,
Harri Geiger,
Heejin Jeon,
Petrus le Roux,
Chris Harris,
Marcel van Helden,
Osvaldo González-Maurel

Affiliations

Frances M. Deegan: Department of Earth Sciences, Natural Resources and Sustainable Development (NRHU), Uppsala University
Martin J. Whitehouse: Department of Geosciences, Swedish Museum of Natural History
Valentin R. Troll: Department of Earth Sciences, Natural Resources and Sustainable Development (NRHU), Uppsala University
Harri Geiger: Department of Earth Sciences, Natural Resources and Sustainable Development (NRHU), Uppsala University
Heejin Jeon: Department of Geosciences, Swedish Museum of Natural History
Petrus le Roux: Department of Geological Sciences, University of Cape Town
Chris Harris: Department of Geological Sciences, University of Cape Town
Marcel van Helden: Department of Earth Sciences, Vrije Universiteit Amsterdam
Osvaldo González-Maurel: Department of Geological Sciences, University of Cape Town

DOI: https://doi.org/10.1038/s41467-021-24143-3
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 10

Abstract

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Subduction zone volcanoes are underlain by extensive magma plumbing systems, which can obscure original mantle source signals. Here, the authors show that intra-crystal oxygen isotope analysis of clinopyroxenes from the Sunda arc (Indonesia) reveal the δ18 O value of the sub-arc mantle.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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