Cited by 115Geological and Geochemical AnalysisAstro and Planetary ScienceGeochemistry and Elemental Analysis

Building Archean cratons from Hadean mafic crust

O’Neil, Jonathan, Carlson, Richard W.·2017·Science

Abstract

Archean cratons get a Hadean mash-up: The vast majority of the rock record over Earth's 4.6-billion-year history has been destroyed through subduction and recycling back into the mantle. Although some slivers of 4-billion-year-old crust remain in the rock record, only isolated zircon mineral grains are dated to be older. However, O'Neil and Carlson found isotopic evidence of reworked basaltic crust more than 4.3 billion years old mixed into some of the 2.7-billion-year-old rocks of the Superior Province in Canada. Thus, our planet's oldest crust was reworked and retained during formation of at least one continental craton. Science , this issue p. 1199

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Crossref · 10.1126/science.aah3823

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  • Hadean crust has not been found at the present-day Earth's surface.

    “Hadean crust has not been found at the present-day Earth's surface, which may be due to its expected high density due to having an ultramafic or mafic composition, which may have caused it to be recycled back into the mantle (Kröner, 1985).”

    From Secular change and the onset of plate tectonics on Earth (2020) · cites this paper as O'Neil and Carlson, 2017

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Authors
O’Neil, J., & Carlson, R. W.
Affiliations
  • Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, Canada.
  • Carnegie Institution for Science (US)
Venue
Science
Published
2017-03-17
Volume
355
Issue
6330
Pages
1199-1202
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2597093727
Cited by
115
References
36
Citations by year
2026: 3 · 2025: 6 · 2024: 12 · 2023: 11 · 2022: 10 · 2021: 16 · 2020: 10 · 2019: 11 · 2018: 31 · 2017: 5
FWCI
11.12
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
Natural Sciences and Engineering Research Council of Canada (RGPIN 435589-2013)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › Geological and Geochemical Analysis
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astro and Planetary Science
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
Keywords
Archean cratons, Hadean crust, mafic crust, crustal reworking, Superior Province, zircon geochronology, isotopic evidence, continental crust formation, mantle recycling

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