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

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

Research output: Contribution to journalArticlepeer-review

1 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 languageEnglish
Pages (from-to)298-301
Number of pages4
JournalNature Geoscience
Volume17
Issue number4
DOIs
StatePublished - 1 Apr 2024

ASJC Scopus subject areas

  • General Earth and Planetary Sciences

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