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I. Different Types of Volcanoes

A. Shield Volcanoes

B. Cinder Cone Volcanoes

C. Composite Volcanoes
Types of Volcanoes Video Clip
Nat Geo Volcanoes
http://www.nationalgeographic.com/forcesofnature/interactive/index.html
A. Shield Volcanoes

Shield Volcanoes are
built of layers of lava
released from
repeated non
explosive eruptions.

Example Hawaiian
volcanoes are
examples of shield
volcanoes.
B. Cinder Cone Volcanoes

Cinder cones are
made up of pyroclastic
materials.
 Have
 Erode

steep slopes
quickly
Example: Mexico’s
Paricutin
C. Composite Volcanoes

Contains alternating
layers of pyroclastic
material and lava.
 Broad
steep.

bases,
Examples: Mt Fuji, Mt
St. Helens, and Mt.
Rainier
Review Question

Which type of volcano usually erupts
violently and forms because of alternating
layers of ash, cinders, and lava?

How does a shield volcano form?
Shield Volcano
Cinder Cone Volcano
Composite Volcano
Where do most Volcanoes Occur?

At Tectonic Plate Boundaries
Hot Spots

Hot spot: a volcanic active area of Earth’s surface far from a
tectonic plate boundary.
Hot Spot Volcano Tracks
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