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Timeline of the San Andreas fault, showing the subduction of the Farallon and Pacific Plates by the North American Plate over the last 30 million years.

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from Live Science

Iceland Offers Rare Glimpse of Tectonic Meeting Place

The crack that divides East from West. On one side is the North American Plate, on the other is the Eurasian Plate.

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Geography: The Unit Lesson mainly focuses on the United States and the North American continent, but the students will make Paper Plate Continents to see other continents in relation to the North American Continent and become more familiar with the position of all continents on Earth. This activity also promotes mapping skills such as using legends and directions (North, South, East, and West).

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Atlantic Ocean Floor Map. Groundbreaking map of the ocean floor created by technician Marie Tharp and Professor Bruce Heezen, image via The Earth Institute, Columbia University. Together, Marie and Bruce rewrote 20th century geophysics by creating the first systematic, comprehensive map of the entire ocean floor. This paved the way for general acceptance of the theories of continental drift and plate tectonics.

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San Andreas fault California The San Andreas Fault is a continental transform fault that extends roughly 800 miles through California. It forms the tectonic boundary between the Pacific Plate and the North American Plate, and its motion is right-lateral strike-slip.

from The New Yorker

The Earthquake That Will Devastate the Pacific Northwest

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