Topic: Volcanoes

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Topic: Volcanoes. Volcano. An opening in the crust where magma and gases erupt Form at: 1. - 2. - 3. -. Diamond Head in Hawaii. Sailors thought calcite crystals in the rocks were diamonds. - PowerPoint PPT Presentation

Transcript of Topic: Volcanoes

Topic: VolcanoesTopic: Volcanoes

An opening in the crust where magma and gases erupt

Form at:1. -2. -3. -

VolcanoVolcano

Diamond Head in Hawaii.

Sailors thought calcite crystals in the rocks were diamonds.

Diamond Head formed as hot magma hitting ocean water, causing explosions that threw exploded magma particles (tuff) into a broad ring.

Mount St. Helens

Steep slope + loose volcanic debris + heavy

rains

Vesuvius – 79AD

Mt. Vesuvius, Italy

Hot Spots

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(Find them on page 5 of the ESRT )

                                              

        

Hawaiian IslandsHawaiian Islands

Oldest Hawaiian Island: Kaui

Youngest Hawaiian Island in the Making:

Loihi

45 miles wide

FQWhat state will the Yellowstone hot spot be found

in the future?