Constraints on Seismic Anisotropy in the Mantle Transition Zone From Long-Period SS Precursors
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Huang, Quancheng; Schmerr, Nicholas C.; Waszek, Lauren; Beghein, Caroline
Description
The mantle transition zone (MTZ) of Earth is demarcated by solid‐to‐solid phase changes of themineral olivine that produce seismic discontinuities at 410 and 660‐km depths. Mineral physics experimentspredict that wadsleyite can have strong single‐crystal anisotropy at the pressure and temperatureconditions of the MTZ. Thus, significant seismic anisotropy is possible in the upper MTZ wherelattice‐preferred orientation of wadsleyite is produced by mantleflow. Here, we use a body wave method,...[Show more]
Collections | ANU Research Publications |
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Date published: | 2019-06-24 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/202391 |
Source: | Journal of Geophysical Research: Solid Earth |
DOI: | 10.1029/2019JB017307 |
Access Rights: | Open Access |
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01_Huang_Constraints_on_Seismic_2019.pdf | 12.11 MB | Adobe PDF |
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