1. GEOMAGNETISM.....................................................................................................1-6

2. ISOSTASY .................................................................................................................7-10

3. PLATE TECTONIC THEORY ................................................................................11-19

   Sea Floor Spreading; Geomagnetic Anomalies

   Deep Sea Trenches; Island Arcs; Hot Spots.

4. CHANNEL MORPHOLOGY ..................................................................................20-32

   Geomorphic Cycle

5. EROSION PLANATION SURFACE ......................................................................33-39

6. CYCLE OF EROSION ..........................................................................................40-47

     7.  SLOPE EVOLUTION ............................................................................................48-53