Results 151 to 160 of about 45,633 (206)

Development of long-term oyster tissue cultures reveals cellular plasticity, regenerative potential, and sustained physiological activity

Sullivan KR, Steketee PC, Maxwell S, Morrison LJ, Regan T, Bean TP.   +5 more
europepmc   +1 more source

Mg isotope heterogeneity in the mantle

, 2016
Pogge von Strandmann, P, Elliott, T, Marschall, H, Ionov, D, Niu, Y   +4 more
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Lateral Heterogeneity in the Earth's Mantle

Nature, 1972
The characteristics of seismic waves detected at the Large Aperture Seismic Array in Montana suggest that, beneath the Bonin Island Arc in particular, there are lateral inhomogeneities in the mantle.
D, Davies, R M, Sheppard
openaire   +4 more sources

Heterogeneity of the Lowermost Mantle

Annual Review of Earth and Planetary Sciences, 2000
Strong heterogeneity at a variety of scale lengths has been imaged in the lowermost mantle using different forward and inverse methods. Coherent patterns in differential travel times of waves that sample the base of the mantle—such as diffracted shear waves (Sdiff) and compressional waves (Pdiff)—are readily apparent, and are compared with results from
Edward J Garnero
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The heterogeneous mantle

Tectonophysics, 2006
Rocks are composed of heterogeneous mixtures of minerals and assemblages of larger units, and there is no reason to assume that the Earth at large and intermediate scale should be homogeneous. However, the resolution of geophysical studies of the Earth’s mantle is limited.
Thybo, H., Anderson, D. L.
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Upper mantle heterogeneities beneath Eastern Europe

Tectonophysics, 1982
Abstract 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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Heterogeneous lithospheric mantle

2021
<p>The lithosphere is a thermal boundary layer atop mantle convection and a chemical boundary layer formed by mantle differentiation and melt extraction. The two boundary layers may everywhere have different thicknesses. Worldwide, the thicknesses of thermal and chemical boundary layers vary significantly, reflecting thermal and ...
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On upper mantle seismic heterogeneities beneath Fennoscandia

Tectonophysics, 1982
Abstract Three-dimensional seismic mapping of the upper mantle beneath Fennoscandia (Baltic Shield) using an ACH-type of inversion technique in combination with P-wave travel-time residual observations from the local seismograph network gave the following results.
Husebye, E. S., Hovland, J.
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Confidence regions for mantle heterogeneity

Journal of Geophysical Research: Solid Earth, 1994
Least squares tomographic models of mantle P and S velocity structure from travel times have shown large‐scale variations correlated with surface tectonic features, as well as coherent structures in the lowermost mantle. The reliability of these global features of velocity models depends on whether velocity throughout the features can be estimated well
R. Jay Pulliam, Philip B. Stark
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