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Figure 5.
Zircon Hf compilation with 10-m.y. moving average (purple solid line) and standard deviation (dashed line). References in the Supplemental Material (see text footnote 1). (A) In the hinterland, note strong sawtooth pattern, with “pull up” correlated with Farallon slab removal and mantle-derived intrusions. Hf “drawn down” precedes mylonite generation after thermal incubation (dth > ~10 m.y.). (B) In the foreland, note the subdued sawtooth pattern with metamorphic core complex (MCC) generation shortly after upwelling volcanism (dtf), such that dtf < dth. Data: Gaschnig et al. (2011); Konstantinou et al. (2013); Fornash et al. (2013); Howlett et al. (2021).
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