Articles | Volume 12, issue 9
Solid Earth, 12, 2087–2107, 2021
https://doi.org/10.5194/se-12-2087-2021
Solid Earth, 12, 2087–2107, 2021
https://doi.org/10.5194/se-12-2087-2021

Research article 14 Sep 2021

Research article | 14 Sep 2021

Coupled dynamics and evolution of primordial and recycled heterogeneity in Earth's lower mantle

Anna Johanna Pia Gülcher et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anna Gülcher on behalf of the Authors (17 May 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (22 May 2021) by Juliane Dannberg
RR by Shijie Zhong (24 May 2021)
ED: Publish subject to minor revisions (review by editor) (28 Jun 2021) by Juliane Dannberg
AR by Anna Gülcher on behalf of the Authors (11 Jul 2021)  Author's response
ED: Publish as is (20 Jul 2021) by Juliane Dannberg
ED: Publish subject to minor revisions (review by editor) (21 Jul 2021) by Susanne Buiter(Executive Editor)
AR by Anna Gülcher on behalf of the Authors (26 Jul 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (02 Aug 2021) by Susanne Buiter
ED: Publish as is (02 Aug 2021) by Susanne Buiter(Executive Editor)
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Short summary
The lower mantle extends from 660–2890 km depth, making up > 50 % of the Earth’s volume. Its composition and structure, however, remain poorly understood. In this study, we investigate several hypotheses with computer simulations of mantle convection that include different materials: recycled, dense rocks and ancient, strong rocks. We propose a new integrated style of mantle convection including piles, blobs, and streaks that agrees with various observations of the deep Earth.