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Determining cooling rates from mica 40Ar/39Ar thermochronology data: effect of cooling path shape
Tectonic models are commonly underpinned by metamorphic cooling rates derived from diffusive-loss thermochronology data. Such cooling ages are usually linked to temperature via Dodson's 1973 closure temperature (TC) formulation, which specifies a 1/time-shaped cooling path. Geologists, however, commonly discuss cooling rates as a linear temperature/time shape. We present the results of a series of simple finite-difference diffusion models for Ar diffusion in muscovite and biotite that show thatdoi:10.31223/osf.io/7ev2d fatcat:zr66p2hbkzdcnlgjmxciifaojy