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Evidence for shear heating, Musgrave Block, central Australia

Camacho, A; McDougall, Ian; Armstrong, Richard; Braun, Jean

Description

The phenomenon of shear-heating is generally difficult to recognise from petrologic evidence alone. Establishing that shear zones attain higher temperatures than the surrounding country rocks requires independent evidence for temperature gradients. In the Musgrave Block, central Australia, there is a clear spatial association between shear zones and interpreted elevated temperatures. Eclogite facies shear zones that formed at ~ 550 Ma record temperatures of ~650-700°C. Outside the high-pressure...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
URI: http://hdl.handle.net/1885/90787
Source: Journal of Structural Geology
DOI: 10.1016/S0191-8141(00)00172-3

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