Frassetto et al., 2011, Geosphere

Sierra Nevada EarthScope Project (SNEP)

P-Receiver Function Stacks• Sharp, shallow Moho in

the east vs. diffuse, deep Moho to the west

• Represents change from removed to intact residual mantle lithosphere

Frassetto et al., 2011, Geosphere

Sierra Nevada EarthScope Project (SNEP)

P-Receiver Function Stacks

• Intact mantle lithosphere and corresponding petrologic Moho extends along western edge of central Sierra Nevada batholith

• Spatially consistent with• Low heat flow• Dense/mafic xenoliths• Seismicity• Fast seismic

wavespeed anomalies