1. Some notes on note-taking: In response to the Friday fieldtrip to San Clemente beach

4. Volcanic Landforms and Layers Lecture 10

7. Chemical classification of lavas

9. Chemical composition of island arc volcanics versus distance from trench

10. The role of water in magmatic viscosity

11. Classification of pyroclastic rocks by grain size

13. Classification of eruption types

14. Classification of eruptions by explosiveness

16. Regions of a Plinian eruption column

17. Development of the 1980 Plinian umbrella cloud

20. Contrasting nature of pyroclastic fall, surge and flow deposits

23. Welded tuffs (ignimbrite deposits)

24. Example of a pyroclastic flows from Mono Craters, CA

25. Example from Santorini, Greece