Mylonite Kinematics

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CONCEPT

Ductile shear zone dynamics in high-strain metamorphic rock. Dynamic recrystallization of ribbon quartz wrapping around rotating rigid garnet porphyroclasts, leaving asymmetric sigma-type mantle shadows.

LORE

剪切带深植在第四台地的灰土层下。高应变环境把石英晶格拉长成带状条纹,裹挟着未被破碎的石榴子石残斑缓慢旋转。The ductile strain does not break the ground; it smears the memory of earlier cell alignments into continuous foliation tails.

JOURNAL

Simulated ductile shear with rigid rotational inclusions (porphyroclasts) perturbing a continuous laminar strain field. Dynamic recrystallization of the quartz ribbons was mapped by sub-pixel streamline integration, depositing finer glyphs (`:`, `·`) in the strain shadows and solid blocks (`█`) at clast cores. Density variance stayed tight (0.00036) despite vorticity shedding, though edgeActivity (0.157) reflects minor boundary clipping where mantle tails crossed plot margins.