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Plate Boundary Volcanism

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Asthenosphere. Subduction Zone Volcanism. Ocean crust subducts beneath continental crust. ... Asthenosphere. Basaltic magmas are produced at spreading centers. ... – PowerPoint PPT presentation

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Title: Plate Boundary Volcanism


1
Plate Boundary Volcanism
1) Ridges (or spreading centers)
Reference Tarbuck and Lutgens Pages 232 - 235
2) Subduction zones
3) Interior of tectonic plates.
2
Subduction Zone Volcanism
3
Subduction Zone Volcanism
1) Ocean Ocean Volcanism
4
Subduction Zone Volcanism
2) Ocean Continent Volcanism
5
Spreading Center (Rift) Volcanism
1) Beneath Oceans
6
Spreading Center (Rift) Volcanism
1) Beneath Oceans
7
Spreading Center (Rift) Volcanism
2) Within Continents
8
Intraplate Volcanism
1) beneath the oceans (Hawaiian Islands)
2) within continental plates (Yellowstone
National Park)
9
Intraplate Volcanism
1) Beneath Oceans
10
Intraplate Volcanism
2) Within Continents
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