HTML University

Science Dept.

Geology and Soils GEO 100 Notes
Structure - Crustal Deformation

1. Movements
   1. Vertical
      1. Mountains Not Uplifted Overnight

      2. Temple of Jupiter Serapis near Naples

   2. Horizontal
      1. San Andreas Fault

   3. Orogeny

   4. Epirogeny

2. Stress and Strain
   1. Stress
      1. Tension

      2. Compression

      3. Shear

   2. Strain
      1. Elastic Defornation

      2. Plastic Defornation

      3. Rupture

3. Isostasy and Isostatic Equilibrium
   1. Problem of the Plumb Bobs
      1. Airy Hypotheses

      2. Pratt Hypothesis

   2. Mohovicic Discontinuity

4. Structural Features
   1. Folds

   2. Domes and Basins

   3. Joints

   4. Faults

5. Strike & Dip

6. Folds
   1. Domes - Structural vs Sedimentational

   2. Basins - Structural vs Sedimentational

   3. Monoclines

   4. Anticlines

   5. Synclines

   6. Pertaining to Folds
      1. Symetrical

      2. Asymmetrical

      3. Recumbent

      4. Axial Planes

      5. Plunging Folds

      6. Outcropping Rules

7. Joints
   1. Coluninar Jointing - Tension

   2. Unloading or Sheeting - Tension

   3. Diastrophic
      1. Tension

      2. Compression

8. Faults
   1. Definition

   2. Vertical Movement - Dipslip
      1. Normal

      2. Reverse or Thrust Faults

   3. Horzontal Movements
      1. strike ship on transcurrent
         1. Right Handed

         2. Left Handed

   4. Oblique Faults

   5. Transform Faults

9. Unconformities
   1. Disconformity

   2. Angular Unconformity

   3. Nonconformity