Animations, Physical Geology Focus (these animations require Flash Player)

1. Divergent plate boundary
2. Convergent plate boundary
3. Silicon-oxygen tetrahedrons
4. Divergent boundary (another one)
5. Generation of magma
6. Mt. St. Helens eruption
7. Transgressions and regressions
8. Development of cross-bedding
9. Development of graded-bedding
10. Metamorphism and plate convergence
11. How veins form
12. The geologic history of "Minor Canyon"
13. Disconformity
14. Flow, slide, and fall
15. Movement of sediment (load) in a stream
16. Creation of meander cut-off and oxbow lake
17. Development of a flood plain and stream terraces
18. Artesian well and confined aquifer
19. Pumping wells
20. Geyser eruption
21. Ice sheet
22. Valley glacier
23. Movement of a glacier
24. Cravasses on a glacier
25. Development of basin and range features
26. Formation of a sand dune
27. Orbital motion in shallow water
28. Seasonal cycle of a beach
29. Longshore drift of sand
30. Spits and baymouth bars
31. Coastal straightening
32. Types of folds
33. Fault movement
34. Normal faults
35. Reverse and thrust faults
36. Elastic rebound theory
37. Focus on an earthquake
38. Particle motion in seismic waves
39. Seismograph for detecting vertical rock motion
40. Seismograph for detecting horizontal rock motion
41. Tsunami
42. Seismic refraction
43. Isostatic adjustment
44. Glacial effect on crust
45. Plate motion and mantle plumes
46. Fringing reefs and atolls
47. Breakup of Pangaea
48. Origin of magnetic anomalies
49. Divergent plate boundary
50. Ocean-ocean convergence
51. Ocean-continent convergence
52. Continent-continent collision
53. Mantle convection
54. Continental  breakup by mantle
55. Hot spots and aseismic ridges
56. Isostasy in a mountain belt