Cited by 39High-pressure geophysics and materialsGeological and Geochemical AnalysisAstro and Planetary Science

Mantle convection: A review

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Ogawa, Masaki·2008·Fluid Dynamics Research

Abstract

The solid-state convection in the Earth mantle is characterized by plate tectonics, which shapes the tectonic activities of the Earth, and superplumes as broad hot regions chemically distinct from the surrounding regions in deep lower mantle. Recent numerical studies of mantle convection suggest that the rigidly moving plates occur on the Earth because the rupture strength of plate margins is sufficiently low, while that of plate interiors is high enough to inhibit spontaneous formation of new plate boundaries by the weight of the plates themselves. This implies that the activity of plate tectonics has fluctuated much in the Earth history. Recent numerical studies also suggest that the superplumes develop owing to the chemical differentiation of the mantle by ridge magmatism. Superplumes have probably induced frequent and vigorous hot spot volcanism in the early Earth. It is now within reach to construct an integrated model for tectonic and structural evolution of the mantle in the Earth and other terrestrial planets.

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Crossref · 10.1016/j.fluiddyn.2007.09.001

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  • The velocities of plate motion are typically within an order of magnitude of convection within the upper mantle.

    “and the velocities of plate motion are typically within an order of magnitude of convection within the upper mantle (Ogawa, 2008).”

    From Secular change and the onset of plate tectonics on Earth (2020) · cites this paper as Ogawa, 2008

    The Introduction (p. unavailable) says typical mantle-convection velocity is a few centimeters per year. Figure 6 in §4 shows modeled plate velocities on a centimeters-per-year scale, consistent with a similar order of magnitude. The copy does not explicitly compare typical plate speeds with convection specifically in the upper mantle. (LLM, conf=0.82)

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Authors
Ogawa, M.
Affiliations
The University of Tokyo (JP)
Corresponding author
Ogawa, Masaki
Venue
Fluid Dynamics Research
Published
2008-06
Volume
40
Issue
6
Pages
379-398
ISSN
  • 0169-5983 (ISSN-L)
  • 1873-7005
OpenAlex
W2114777835
Cited by
39
References
111
Citations by year
2025: 1 · 2024: 1 · 2023: 5 · 2022: 2 · 2020: 3 · 2019: 1 · 2017: 5 · 2016: 2 · 2015: 4 · 2013: 2 · 2012: 2
FWCI
2.76
Type
journal article
Language
en
Open access
Locations
Fluid Dynamics Research (publishedVersion)
Funders
  • Ministry of Education, Culture, Sports, Science and Technology
  • Japan Society for the Promotion of Science (16540379)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › High-pressure geophysics and materials
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › Geological and Geochemical Analysis
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astro and Planetary Science
Keywords
mantle convection, plate tectonics, superplumes, lower mantle, hotspot volcanism, early Earth

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