Forster, Margaret; Lister, Gordon
A method is presented for the analysis and interpretation of apparent age spectra produced during 40Ar/39Ar step-heating experiments. Application of this method is particularly relevant to complex apparent age spectra produced from minerals taken from exhumed metamorphic tectonites, particularly when these rocks once resided in an ancient Argon Partial Retention Zone. Such rocks may have been subject to localised deformation and/or recrystallisation during orogenesis. Yet microstructures relict...[Show more]
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