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Shear zones

Shear zones. Goals : Understand flow geometry and how we can deduce flow direction in the field. Instantaneous vs. finite deformation. Noncoaxial. Coaxial. Flow geometry. Check out Haakon Fosson ’ s e-learning module for progessive shear. Internal rotation during flow. Vorticity.

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Shear zones

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  1. Shear zones Goals: Understand flow geometry and how we can deduce flow direction in the field

  2. Instantaneous vs. finite deformation Noncoaxial Coaxial

  3. Flow geometry

  4. Check out Haakon Fosson’s e-learning module for progessive shear

  5. Internal rotation during flow

  6. Vorticity

  7. Strain patterns for different flows

  8. Strain pattern in ideal simple shear zone

  9. Kinematic indicators

  10. Rotated clasts Delta-type Sigma-type

  11. Delta clast movie

  12. Asymmetrical boudins

  13. S-C fabrics

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