Production of Neoproterozoic banded iron formations in a partially ice-covered ocean

Kaushal Gianchandani; Itay Halevy; Hezi Gildor; Yosef Ashkenazy; Eli Tziperman

doi:10.1038/s41561-024-01406-4

Production of Neoproterozoic banded iron formations in a partially ice-covered ocean

Kaushal Gianchandani^*
, Itay Halevy^*
, Hezi Gildor
, Yosef Ashkenazy
, Eli Tziperman

^*Corresponding author for this work

Fredy & Nadine Herrmann Institute of Earth Sciences

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

The meridional extent of marine ice during the Neoproterozoic snowball Earth events is debated. Banded iron formations associated with the Sturtian glaciation are considered evidence for a completely ice-covered, ferruginous ocean (hard snowball). Here, using an ocean general circulation model with thick sea glaciers and Neoproterozoic biogeochemistry, we find that circulation in a partially ice-covered ocean (soft snowball) yields iron deposition patterns similar to the observed distribution of Sturtian banded iron formations.

Original language	English
Pages (from-to)	298-301
Number of pages	4
Journal	Nature Geoscience
Volume	17
Issue number	4
DOIs	https://doi.org/10.1038/s41561-024-01406-4
State	Published - Apr 2024

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© The Author(s), under exclusive licence to Springer Nature Limited 2024.

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10.1038/s41561-024-01406-4

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abstract = "The meridional extent of marine ice during the Neoproterozoic snowball Earth events is debated. Banded iron formations associated with the Sturtian glaciation are considered evidence for a completely ice-covered, ferruginous ocean (hard snowball). Here, using an ocean general circulation model with thick sea glaciers and Neoproterozoic biogeochemistry, we find that circulation in a partially ice-covered ocean (soft snowball) yields iron deposition patterns similar to the observed distribution of Sturtian banded iron formations.",

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AU - Tziperman, Eli

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AB - The meridional extent of marine ice during the Neoproterozoic snowball Earth events is debated. Banded iron formations associated with the Sturtian glaciation are considered evidence for a completely ice-covered, ferruginous ocean (hard snowball). Here, using an ocean general circulation model with thick sea glaciers and Neoproterozoic biogeochemistry, we find that circulation in a partially ice-covered ocean (soft snowball) yields iron deposition patterns similar to the observed distribution of Sturtian banded iron formations.

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Production of Neoproterozoic banded iron formations in a partially ice-covered ocean

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