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A mantle heterogeneity in the Southwest Pacific
Tectonophysics, 1988Abstract The occurrence in time and space of Tertiary intraplate central volcanoes and associated lava fields in the eastern Australia-New Zealand-Campbell Plateau region of the Southwest Pacific is more consistent with derivation from a large-scale mantle anomaly than from discrete plumes.
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Upper mantle heterogeneities beneath Eastern Europe
Tectonophysics, 1982Abstract P-wave travel-time residuals for seismograph stations in eastern Europe as reported by ISC for the years 1964–1977 were used for constructing a seismic image of upper mantle heterogeneities in the network region. For the depth range 0–100 km, dominant tectonic features like the Pannonian Basin and the Aegean Sea and western Turkey correlate ...
Hovland, J., Husebye, E. S.
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Upper mantle heterogeneities and dynamics
Nature, 1985The width of geochemical and residual elevation anomalies along the Mid-Ocean Ridge System decrease as both the distance between migrating ridge segments and related hotspots and the local geochemical dispersion in the anomalies increase. These observations provide further evidence that flows of mantle plumes in the upper mantle are deflected by ...
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Heterogeneity of the Upper Mantle: ABSTRACT
AAPG Bulletin, 1963In their investigations of the interior of the earth, geophysicists have generally regarded the mantle as composed of homogeneous shells and have considered the crust of the earth as varying laterally in composition and thickness. Evidence from measurements of the gravitational field and of the heat flow to the surface have suggested that differences ...
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HETEROGENEITY OF THE UPPER MANTLE
International Geology Review, 1992A. V. Yegorkin, S. L. Kostyuchenko
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The survival of mantle geochemical heterogeneities
2005The survival of mantle geochemical heterogeneities depends on the relative values of the residence times of individual elements in the mantle and of the scale-dependent mixing rate imposed by convection. Major and trace element data on fresh glasses from the PETDB data base were compiled to extract statistics on MORB compositions. It was found that the
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Flow and melting of a heterogeneous mantle
Earth and Planetary Science Letters, 2005Garrett Ito, John J. Mahoney
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Variable dynamic styles of primordial heterogeneity preservation in the Earth's lower mantle
Earth and Planetary Science Letters, 2020Anna J P Gulcher +2 more
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