The nature and origin of the Barrovian metamorphism, Scotland: 40 Ar/ 39 Ar apparent age patterns and the duration of metamorphism in the biotite zone
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Viete, Daniel; Forster, Margaret; Lister, Gordon
Description
A geochronological traverse across the Barrovian metamorphic series, Scotland, shows 40Ar/ 39Ar apparent age spectra that reflect the influence of progressive metamorphism during the Grampian orogenic episode. The lowest-grade units of the Barrovian metamorphic series retain pre-Grampian detrital ages as components of their white mica 40Ar/ 39Ar apparent age spectra. These relict ages are progressively obliterated in the direction of increasing metamorphic grade, with a Grampian-age 40Ar/ 39Ar...[Show more]
Collections | ANU Research Publications |
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Date published: | 2011 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/65816 |
Source: | Journal of the Geological Society |
DOI: | 10.1144/0016-76492009-164 |
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