Cited by 222Paleontology and Stratigraphy of FossilsGeochemistry and Elemental AnalysisOrigins and Evolution of Life

The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

Was There Really an Archean Phosphate Crisis?

Abstract

During the Archean, massive amounts of iron were deposited in the form of banded iron formations. It has been suggested that sedimenting particles of ferric oxyhydroxide may have stripped dissolved phosphate from the oceans, causing a reduction in phytoplankton productivity. However, that model does not take into account the high concentration of dissolved silica that was present in seawater at that time. We show experimentally that silica effectively competes with phosphate for sorption sites on ferrihydrite particles. Furthermore, coprecipitation of silica with ferrihydrite reduces particle reactivity toward phosphate. Hence, Archean oceans probably contained considerably more phosphate than previously predicted.

Overview

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Crossref · 10.1126/science.1136328

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Metadata

Authors
Konhauser, K. O., Lalonde, S. V., Amskold, L., & Holland, H. D.
Affiliations
Harvard University (US)
Corresponding author
Konhauser, Kurt O.
Venue
Science
Published
2007-03-02
Volume
315
Issue
5816
Pages
1234-1234
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2006491332
Cited by
222
References
7
Citations by year
2026: 10 · 2025: 19 · 2024: 20 · 2023: 16 · 2022: 8 · 2021: 14 · 2020: 12 · 2019: 13 · 2018: 15 · 2017: 11 · 2016: 12 · 2015: 11 · 2014: 4 · 2013: 13 · 2012: 12
FWCI
6.05
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
Keywords
banded iron formations, ferrihydrite, dissolved silica, phosphate adsorption, co-precipitation, ferric oxyhydroxide, phytoplankton productivity, Archean ocean

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