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Edible Plate Tectonics
Special thanks to Dr. Bob Lillie of the OSU Department of Geosciences who normally does this presentation as a guest lecture.
TECTONICS:
From the Greek “tecton” (builder/ architect)The study of large features on Earth’s surface
and the processes that formed them.
Mt Jefferson, Cascade Range, Oregon
PLATE TECTONICS:
Large features:continentsocean basinsmountain ranges
and processes:earthquakesvolcanic eruptions
due to movement of plates of Earth’s outer shell.
Seafloor Spreading & Plate Tectonics
• New ocean basins form from volcanism• Ocean floor forms IN BETWEEN pieces
that have split
http://earthobservatory.nasa.gov/Study/Tectonics/tectonics_3.html
Sediment and Basalt Scraped off Subducting Plate
Coastal Mountain Range
Plate Sweats
Composite Volcanoes