Naturally deformed quartzo-feldspathic rocks
Figure caption
weak deformation (Mulwaree) / strong deformation (Mulwaree) / mylonites (Redbank) / ultramylonites (Redbank)
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Quartzo-feldspathic ultramylonite; "bookshelf" feldspar has deformed by semi-brittle flow.
"Bookshelf" feldspar in quartzo-feldspathic mylonite from the Redbank shear zone. The shear zones between the "books" contain recrystallized or neo-mineralized feldspar grains 15 mm in diameter (435 A)