Famous Volcanoes Magma Plate Tectonics Pyroclastic stuff Volcanoes

Famous Volcanoes Magma Plate Tectonics Pyroclastic “stuff” Volcanoes 200 200 200 400 400 400 600 600 600 800 800 800 1000 1000

Featured in the movie “The Last Days of Pompei”

What is Mt. Vesuvius?

Stratovolcano located in the Cascade Mountain Range

What is Mt. St. Helen?

Caused the “year without a summer”

What is Tambora?

Tsunami caused by this eruption killed more people than the actual eruption

What is Krakatau?

Could be the cause of a mega/gigacolossal eruption in the U. S.

What is Yellowstone?

a. k. a. composite volcano

What is a stratovolcano?

The landform that develops as the materials from an eruption harden.

What are volcanoes?

DAILY DOUBLE!!!

Smallest of the volcano types; typically forms on the sides of larger volcanoes.

What is a cinder cone volcano?

Mt. St. Helen is an example of this type of volcano.

What is a stratovolcano/ composite volcano?

This type of volcano would occur at a divergent plate boundary or hot spot.

What is a shield volcano?

Molten rock below the surface of the earth.

What is magma?

Magma that causes pahoehoe and aa lava.

What is basaltic magma?

Intermediate gas content, silica and viscosity.

What is andesitic magma?

Highest gas content, highest viscosity and highest silica content.

What is rhyolitic magma?

Type of magma that forms the volcanic rock pumice.

What is rhyolitic magma?

Plate boundary in which the plates move toward each other.

What is convergent boundary?

DAILY DOUBLE!!!!

Special name for a convergent boundary where oceanic plate meets continental plate

What is a subduction zone?

What forms when two continental plates meet at a convergent plate boundary

What are mountains?

Type of boundary where two plates slide past one another moving in opposite directions or in the same direction at different rates

What is a transform fault?

Large land mass that Wegener said existed before the continents broke apart and drifted to their present positions

What is Pangaea?

Solid pyroclastic material >64 mm in size

What are volcanic blocks?

Molten pyroclastic material >64 mm in size

What are volcanic bombs?

Pyroclastic material 2 – 64 mm in size.

What is lapilli?

Rock fragments of all shapes and sizes that are ejected from a volcano sometimes traveling up to 100 km/h.

What is pyroclastic flow?

Pyroclastic material <2 mm

What is volcanic ash?