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Undeformed and deformed ooids

Undeformed and deformed ooids. T&M: Fig. 12.6. Folds and Boudinage wrt. Strain orientation. T&M: Fig. 12.7. Pure Shear. Simple Shear. Progressive Deformation. T&M: Fig. 12.14/.15. Progressive Shear through two generations: described here as finite and infinitesimal. T&M: Fig. 12.16.

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Undeformed and deformed ooids

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  1. Undeformed and deformed ooids T&M: Fig. 12.6

  2. Folds and Boudinage wrt. Strain orientation T&M: Fig. 12.7

  3. Pure Shear Simple Shear Progressive Deformation T&M: Fig. 12.14/.15

  4. Progressive Shear through two generations:described here as finite and infinitesimal T&M: Fig. 12.16

  5. Lengthening then compression Horizontal lengthening (boudinage) while vertical shortening (folds) Progressive deformation: Material lines T&M: Fig. 12.17E, 12.18D

  6. k = (a-1)/(b-1) Flinn Diagram T&M: Fig. 12.21

  7. Natural Fold Kinematic Fold Models B. Orthogonal Flexure C. Flexural Shear D. Volume loss flexure E. Complex compaction then (D). Strain analysis withinfolds T&M: Fig. 15.5

  8. s1 bisects acute angle s3 bisects obtuse angle Conjugate shear zones T&M: Fig. 15.11

  9. Tangent lineation diagram T&M: Fig. 15.12

  10. Tangent lineation diagram T&M: Fig. 15.13

  11. Discrete shear zone T&M: Fig. 15.15

  12. Discrete shear and volume loss T&M: Fig. 15.16

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