Characteristics of Volcanoes

What two characteristics are most important in determining the type of volcano that will form?

• location and plate boundary

• magma chamber and lava

• type of magma/lava and dissolved gas level

• temperature of lava and location

What type of volcano has the following characteristics?

-Lava Tubes

- Lava fields

- Low-viscosity Magma

• Cinder Cones

• Composite(stratovolcano)

• Shield Volcano

This volcano is most likely which type of volcano?

• Felsic

• Composite

• Shield

• Cinder cone

What type of volcano is Mount St. Helens, a tall volcano composed of layers of lava and cinders?

• Shield

• Cinder Cone

• Composite

If lava has high viscosity, which type of eruption will likely result?

• Quiet

• Explosive

What type of volcano has steep slopes made of alternating layers of ash and silica rich lava?

• Caldera

• Cinder Cone

• Composite Volcano

• Shield Volcano

What type of volcano is wide and flat, created by layers of lava flow?

• Shield

• Cinder Cone

• Composite

What type of volcano has the following characteristics?

• Cinder Cones

• Composite(stratovolcano)

• Shield Volcano

What type of volcano has the following characteristics?

-Rhyolitic Magma

- Steep Sloped Sides

- VEI: 0-5

• Cinder Cones

• Composite(stratovolcano)

• Shield Volcano

What type of volcano has the following characteristics?

-Basaltic Magma

- Wide tall mountain

- VEI: 0-1

• Cinder Cones

• Composite(stratovolcano)

• Shield Volcano