Structure of the Sierra Nevada from receiver functions and implications for lithospheric foundering

Receiver functions sampling the Sierra Nevada batholith and adjacent regions exhibit significant variations in the structure of the crust and upper mantle. Crustal Vp/Vs values are lower in the core of the batholith and higher in the northern Sierra Nevada, portions of the Basin and Range, and near...

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Bibliographic Details
Published in:Geosphere (Boulder, Colo.) Colo.), 2011-08, Vol.7 (4), p.898-921
Main Authors: Frassetto, Andrew M, Zandt, George, Gilbert, Hersh, Owens, Thomas J, Jones, Craig H
Format: Article
Language:English
Subjects:
applied (geophysical surveys & methods)
batholiths
body waves
California
Cenozoic
crust
depth
elastic waves
geophysical methods
geophysical profiles
geophysical surveys
Geophysics
heat flow
intrusions
lithosphere
magmatism
mantle
Mesozoic
Mohorovicic discontinuity
Nevada
P-waves
plate tectonics
receiver functions
S-waves
seismic methods
seismic profiles
seismic waves
Sierra Nevada
Sierra Nevada Batholith
solid Earth (tectonophysics)
spatial variations
subduction zones
surveys
theoretical models
United States
upper mantle
velocity
velocity structure
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Summary:Receiver functions sampling the Sierra Nevada batholith and adjacent regions exhibit significant variations in the structure of the crust and upper mantle. Crustal Vp/Vs values are lower in the core of the batholith and higher in the northern Sierra Nevada, portions of the Basin and Range, and near young volcanic fields in the eastern Sierra Nevada and Owens Valley. P- to S-wave conversions from the Moho vary from high amplitude and shallow (>25% of the direct P-arrival amplitude, 25-35 km depth) along the eastern Sierra Nevada to low amplitude and deep (
ISSN:1553-040X
1553-040X
DOI:10.1130/GES00570.1