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Figure 2
Figure 2.

E-W cross section across the transition. (A) Global positioning system velocities across the profile line shown in Figure 1 (Murray et al., 2019). (B) Thermochronologic dates for all samples shown in Figure 1. Average dates are calculated for each data set in the Basin and Range Province and Rio Grande rift (±1 standard deviation). (C) Stacked geophysical models for the crust and upper mantle. Note changes in scale with depth. AFT—apatite fission-track; AHe—apatite (U-Th)/He; ZHe—zircon (U-Th)/He; nstr/yr—nanostrain/year.

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