Thermochronology, the use of temperature-sensitive radiometric dating methods to reconstruct the time-temperature histories of rocks, has proved to be an important means of constraining a variety of geological processes. In general, different depths within the Earth’s crust are characterized by different temperature regimes and processes. Within the upper crustal environment, temperature can often be used as a proxy for depth, so that reconstructed cooling histories may reveal a record of rock movement towards the surface. That portion of this process which involves temperature variations within the uppermost ~150–200 °C of crustal depth has been the basis for the application of...

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