Evidence map›Paper›PMID 34011941›Full record

ArticleNature communications2021

The kaolinite shuttle links the Great Oxidation and Lomagundi events.

Weiduo Hao, Kaarel Mänd, Yuhao Li, Daniel S Alessi, Peeter Somelar, Mathieu Moussavou, Alexander E Romashkin, Aivo Lepland, Kalle Kirsimäe, Noah J Planavsky and 1 more

Abstract read
In one paragraph

Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Volcanic forcing of the Lomagundi-Jatuli carbon isotope excursion.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  5. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Weiduo HaoDepartment of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Canada. whao@ualberta.ca.ORCID http://orcid.org/0000-0002-0486-424X
Kaarel MändDepartment of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Canada.ORCID http://orcid.org/0000-0003-1575-3710
Yuhao LiDepartment of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Canada.
Daniel S AlessiDepartment of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Canada.ORCID http://orcid.org/0000-0002-8360-8251
Peeter SomelarDepartment of Geology, University of Tartu, Tartu, Estonia.
Mathieu MoussavouDepartment of Geology, University of Science and Technology of Masuku, Franceville, Gabon.
Alexander E RomashkinInstitute of Geology, Karelian Science Centre, Petrozavodsk, Russia.
Aivo LeplandDepartment of Geology, University of Tartu, Tartu, Estonia.
Kalle KirsimäeDepartment of Geology, University of Tartu, Tartu, Estonia.
Noah J PlanavskyThe Department of Earth and Planetary Sciences, Yale University, New Haven, CT, USA.ORCID http://orcid.org/0000-0001-5849-8508
Kurt O KonhauserDepartment of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Canada.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The ~2.22-2.06 Ga Lomagundi Event was the longest positive carbon isotope excursion in Earth's history and is commonly interpreted to reflect perturbations in continental weathering and the phosphorous cycle. Previous models have focused on mechanisms of increasing phosphorous solubilization during weathering without focusing on transport to the oceans and its dispersion in seawater. Building from new experimental results, here we report kaolinite readily absorbs phosphorous under acidic freshwater conditions, but quantitatively releases phosphorous under seawater conditions where it becomes bioavailable to phytoplankton. The strong likelihood of high weathering intensities and associated high kaolinite content in post-Great-Oxidation-Event paleosols suggests there would have been enhanced phosphorus shuttling from the continents into marine environments. A kaolinite phosphorous shuttle introduces the potential for nonlinearity in the fluxes of phosphorous to the oceans with increases in chemical weathering intensity.

Identifiers

PMID34011941
PMCPMC8134571

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.