Grain boundary dissolution porosity in quartzofeldspathic ultramylonites: Implications for permeability enhancement and weakening of mid-crustal shear zones

Quartzofeldspathic ultramylonites from the Alpine Fault Zone, one of the world's major, active plate boundary-scale fault zones have quartz crystallographic preferred orientations (CPO) and abundant low-angle (10° misorientation) are decorated by faceted pores, commonly with uniformly-oriented...

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Veröffentlicht in:	Journal of structural geology 2013-08, Vol.53, p.2-14
Hauptverfasser:	Billia, Marco A., Timms, Nicholas E., Toy, Virginia G., Hart, Rob D., Prior, David J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alpine Fault Zone Decoration Density EBSD Faults Grain boundaries Grain boundary dissolution Misorientation Permeability Porosity Quartz TEM
Online-Zugang:	Volltext
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