Microscopic view of rolling feldspars, Day Nui Con Voi, NW Vietnam. Deformed porphyroclasts rotate counter-clockwize as a result of ductile left-lateral shear along Ailao Shan - Red River shear zone.

Leloup et al. 1995, Tectonophysics
Leloup et al. 2001, J. Geophys. Res.


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