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

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Presentation transcript:

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

Volcanic Landforms and Layers Lecture 10

Chemical classification of lavas

Chemical composition of island arc volcanics versus distance from trench

The role of water in magmatic viscosity

Classification of pyroclastic rocks by grain size

Classification of eruption types

Classification of eruptions by explosiveness

Regions of a Plinian eruption column

Development of the 1980 Plinian umbrella cloud

Contrasting nature of pyroclastic fall, surge and flow deposits

Welded tuffs (ignimbrite deposits)

Example of a pyroclastic flows from Mono Craters, CA

Example from Santorini, Greece