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40Ar/39Ar thermochronology in the ios basement terrane resolves the tectonic significance of the south cyclades shear zone

Lister, Gordon; Forster, Marnie; Koudashev, Oleg; Nie, Ruoran; Yeung, Sonia

Description

We conducted 39Ar diffusion experiments using potassium feldspar from the South Cyclades Shear Zone on Ios, in the Cyclades, Aegean Sea, Greece. Irradiated samples were step-heated in an ultra-high-vacuum resistance furnace attached to a mass spectrometer, thus also allowing 40Ar/39Ar geochronology. Conjoint inversion of these datasets allowed estimation of the relevant diffusion parameters, which were then used to forward model the effect of arbitrary temperature–time histories....[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
URI: http://hdl.handle.net/1885/219340
Source: Geological Society of London Special Publication
DOI: 10.1144/SP487-2018-169
Access Rights: Open Access

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