Fischer et al. paper in press!

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Excited for this new paper to be in press! Fischer, K.M., Rychert, C.A., Dalton, C.A., Miller, S.M., Beghein, C., and Schutt, D.L. (2020), A comparison of oceanic and continental mantle lithosphere, Physics of the Earth and Planetary Interiors, doi:10.1016/j.pepi.2020.106600

EPSS colloquium

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C.B. has the opportunity to present her group’s work on the Pacific LAB at the EPSS colloquium

DTM talk

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C.B. talked about the mantle transition zone and the Pacific plate at DTM. Fun and busy day meeting with staff and postdocs

IMG_6578

Press release

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UCLA press release of our Science paper

This figure illustrates the Earth’s upper mantle beneath the Pacific ocean. The orange layer represents the deformable, warm asthenosphere in which there is active mantle flow. The green layer on top represents the lithospheric plate, which forms at the mid ocean ridge, then cools down and thickness as it moves away from the ridge. The cooling of the plate overprints a compositional boundary that forms at the ridge by dehydration melting and is preserved as the plate ages. The more easily deformable, hydrated rocks align with mantle flow. The directions of past and present-day mantle flow can be detected by seismic waves, and changes in the alignment of the rocks inside and at the bottom of the plate can be used to identify layering. CREDIT: Nicholas Schmerr (University of Maryland)
This figure illustrates the Earth’s upper mantle beneath the Pacific ocean. The orange layer represents the deformable, warm asthenosphere in which there is active mantle flow. The green layer on top represents the lithospheric plate, which forms at the mid ocean ridge, then cools down and thickness as it moves away from the ridge. The cooling of the plate overprints a compositional boundary that forms at the ridge by dehydration melting and is preserved as the plate ages. The more easily deformable, hydrated rocks align with mantle flow. The directions of past and present-day mantle flow can be detected by seismic waves, and changes in the alignment of the rocks inside and at the bottom of the plate can be used to identify layering. CREDIT: Nicholas Schmerr (University of Maryland)

UCLA seminar

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C.B. gives seismology seminar at UCLA on “Changes in seismic anisotropy at the mantle transition zone boundaries” Abstract: The mantle transition zone (MTZ) is defined by discontinuities in seismic wave velocities at 410 km and 670 km depth that mostly result from phase changes in the olivine structure. Because the MTZ is believed to play …

Read more “UCLA seminar”