Microstructural development of quartz during mylonitization: an example from the Kashio shear zone along the Median Tectonic Line, central Honshu, Japan.

Michibayashi and Masuda (1993, Journal of Structural Geology, 15, 1421-1432)
Michibayashi (1993, Tectonophysics, 222, 151-164)

Width of base: 2 mm
Coarse quartz grains within the protolith granite at the outside of the Kashio shear zone. Yanazawa Creek, Nagano Prefecture. Crossed polars. (3YG9)

Width of base: 2 mm
Weakly recrystallized quartz grains within the weakly deformed granite at the margin of the Kashio shear zone. Yanazawa Creek, Nagano Prefecture. Crossed polars. (2YG9).

Width of base: 2 mm
Figure 4d of Michibayashi and Masuda (1993, Jour. Struct. Geol.).
Strongly recrystallized quartz grains within the mylonitic granite within the Kashio shear zone. Yanazawa Creek, Nagano Prefecture. Crossed polars. (YG11). These quartz grains show a log-normal grain size distributions.

Width of base: 2 mm
Figure 4e of Michibayashi and Masuda (1993, Jour. Struct. Geol.).
Strongly recrystallized quartz grains within the mylonitic granite within the Kashio shear zone. Yanazawa Creek, Nagano Prefecture. Crossed polars. (YG11). These quartz grains show a log-normal grain size distributions.