Compositional heterogeneity in the mantle transition zone
Earth's mantle transition zone (MTZ) is characterized by several sharp increases in seismic
wave speed between~ 300 km and~ 850 km depth. These seismic discontinuities are …
wave speed between~ 300 km and~ 850 km depth. These seismic discontinuities are …
Oceanic plateau of the Hawaiian mantle plume head subducted to the uppermost lower mantle
The Hawaiian-Emperor seamount chain that includes the Hawaiian volcanoes was created
by the Hawaiian mantle plume. Although the mantle plume hypothesis predicts an oceanic …
by the Hawaiian mantle plume. Although the mantle plume hypothesis predicts an oceanic …
Basaltic reservoirs in the Earth's mantle transition zone
The formation and preservation of compositional heterogeneities inside the Earth affect
mantle convection patterns globally and control the long-term evolution of geochemical …
mantle convection patterns globally and control the long-term evolution of geochemical …
Global variations of Earth's 520-and 560-km discontinuities
We investigate seismic discontinuities in the mantle transition zone (MTZ) by analyzing SS
precursors recorded at global seismic stations. Our observations confirm the global …
precursors recorded at global seismic stations. Our observations confirm the global …
Receiver function map** of mantle transition zone discontinuities beneath Alaska using scaled 3-D velocity corrections
The mantle transition zone is the region between the globally observed major seismic
velocity discontinuities around depths of 410 and 660 km and is important for determining …
velocity discontinuities around depths of 410 and 660 km and is important for determining …
Multifrequency inversion of Ps and Sp receiver functions: methodology and application to USArray data
We image the thermochemical structure of crust and mantle underneath the North American
continent by inverting recordings of P‐to‐s (Ps) and S‐to‐p (Sp) converted seismic body …
continent by inverting recordings of P‐to‐s (Ps) and S‐to‐p (Sp) converted seismic body …
[HTML][HTML] Topography of mantle transition zone discontinuities beneath Northeast China imaged by receiver function with Ps scattering kernel
F YANG, H ZHANG, J LI, X WANG… - Chinese Journal of …, 2021 - en.dzkx.org
Mantle transition zone connects Earth's upper and lower mantle and holds key information
on the compositional and thermal states at depths. The depth variation, ie topography, of …
on the compositional and thermal states at depths. The depth variation, ie topography, of …
Investigation of Effects of Near‐Surface Complexities on Measurement of Mantle Discontinuity Using SS and Its Precursors
Seismic observations of the mantle discontinuities at depths of 410 and 660 km provide
crucial information to constrain the thermal and compositional states and further shape our …
crucial information to constrain the thermal and compositional states and further shape our …
[HTML][HTML] Mantle discontinuities and reflectors beneath the Arctic Ocean and Aleutian-Alaska subduction zone: Evidence for MORB crust at the top of the lower mantle
We investigate the properties of mantle discontinuities beneath the Arctic Ocean and the
Aleutian-Alaska subduction zone with underside reflections of PP and SS waves. The depth …
Aleutian-Alaska subduction zone with underside reflections of PP and SS waves. The depth …
No globally detectable seismic interfaces within Earth's mantle transition zone: Evidence for basalt enrichment
Earth's mantle transition zone (MTZ) is characterized by multiple mineral phase changes.
The MTZ is bounded seismically by the 410-and 660-km elastic discontinuities, which are …
The MTZ is bounded seismically by the 410-and 660-km elastic discontinuities, which are …