Naturally deformed quartz-rich rocks
Figure caption
undeformed / semibrittle & bulging recrystallization / subgrain rotation recrystallization / grain boundary migration recrystallization
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Undeformed chert, with patches of different grain sizes and quartz veins.
Undeformed chert at Marble Bar, Pilbara, Western Australia. Several generations of quartz veins crosscut the chert. The chert includes patches with different grain sizes of quartz. (76)