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Tectonic Plate Boundaries

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Presentation on theme: "Tectonic Plate Boundaries"— Presentation transcript:

1 Tectonic Plate Boundaries

2

3 Continental-Continental Convergent
2 continental plates meet Push up b/c have = densities Form mountains Himalayas (home of Mt. Everest), Asia  5.5 miles above sea level!

4 Continental-Continental Divergent
2 continental plates spread apart Magma rises to fill in gap Forms new land masses & oceans East African Rift, Africa

5 Oceanic-Oceanic Convergent
2 oceanic crusts meet 1 gets subducted Form trenches and volcanoes (typically island arcs) Aleutian Islands (Island arc) near Alaska Marianas Trench (6.8 mi deep) Pacific Ocean near Japan

6 Oceanic-Oceanic Divergent
, 1 sq mi, sq mi 2 oceanic plates are separating S Forms mountains, islands, volcanoes Iceland & Surtsey (off Iceland) Eurasian plate moves East N. Amer plate moves West 1980 Krafla Volcano, m of movement opened fissures for magma to rise

7 Oceanic-Continental Convergent
Oceanic and continental plate meet Oceanic gets subducted Forms: mountains, trenches, volcanoes Andes Mts, Peru

8 Transform Where crust/rock is neither created nor destroyed
Plates slide past each other San Andreas Fault California


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