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182 W Evidence for Long-Term Preservation of Early Mantle Differentiation Products

Touboul, Mathieu, Puchtel, Igor S., Walker, Richard J.·2012·Science

Abstract

Earth's Sluggish Past: Based on their affinity for iron or silicon, some elements partition into different compartments of Earth's interior. In the early stages of the formation of the solar system, when Earth was rapidly accreting and differentiating to form a core and mantle, elements such as tungsten and hafnium went along for the ride. By studying the signatures of these elements and their isotopes in ancient volcanic rocks from the mantle, Touboul et al. (p. 1065 , published online 16 February; see the Perspective by Bennett ) reveal that there was a long-lived 182 W reservoir that formed deep within Earth during the first 30 million years of the solar system. Because the reservoir persisted for over 1.7 billion years, it appears the mantle was poorly mixed and indeed it was so sluggish that it did not even homogenize during the massive collision that formed the Moon.

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Metadata

Authors
Touboul, M., Puchtel, I. S., & Walker, R. J.
Venue
Science
Published
2012-03-02
Volume
335
Issue
6072
Pages
1065-1069
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2061431160
Cited by
261
References
0
FWCI
33.58
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: 182 W Evidence for Long-Term Preservation of Early Mantle Differentiation Products. https://app.cochat.ai/papers/10.1126/science.1216351
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Touboul, M., Puchtel, I. S., & Walker, R. J. (2012). 182 W Evidence for Long-Term Preservation of Early Mantle Differentiation Products. Science. https://doi.org/10.1126/science.1216351

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