Information - TS1.4 Fluid-rock interaction and localization in shear zones
Event Information
Shear zones channelize fluid flow and localized fluid-rock interaction in turn alters rock rheology by mineralogical change, by the mechanical effect of pore-fluid pressure, and by changes in deformation and recrystallization mechanisms. Brittle precursors to “ductile” shear zones under mid- to high-grade metamorphic conditions demonstrate that fluid-rock interaction may be critical to shear zone initiation and largely determine the overall geometry. Contributions are invited that consider the consequences of this interplay between fluid-rock interaction and shear localization and may include: (i) multidisciplinary field investigations of micro- to macro-scale shear zone architecture, (ii) investigations of mineralogical and geochemical change related to shear zone development, (iii) laboratory investigations of strain localization or rock rheology promoting localization and (iv) numerical or analogue modelling of deformation and reactive fluid flow in shear zones.
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