Types of volcano characteristics and causes

Cinder cone volcanoes have low-silica content magma that contains lot's of disolved gas.

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Cinder cone volcanoes have high-silica content magma that contains lot's of disolved gas.

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• False

Cinder cone volcanoes have gassy eruptions that eject loose volcanic fragments called cinders. These cinders pile up in a cone shape.

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• False

Cinder cone volcanoes have fluid lava eruptions that eject loose volcanic fragments called cinders. These cinders pile up in a cone shape.

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• False

Shield volcanones have low-siliva, low viscosity magma. The low viscosity means that gasses can pass through with less pressure. This decreases the explosivity of the eruptions

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Shield volcanones have high-siliva, high viscosity magma. The high viscosity means that gasses can pass through with less pressure. This increases the explosivity of the eruptions

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• False

Composite / Stratovolcanones have high-siliva, high viscosity magma. The high viscosity means that gasses can pass through with less pressure. This increases the explosivity of the eruptions

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• False

Shield volcanoes are often found in the oceans. This is due to the magma passing though the thinner oceanic crust not allowing the silica content to increase.

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Shield volcanoes are often found in the oceans. This is due to the magma passing though the thicker continental crust not allowing the silica content to increase.

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• False

Strato volcanoes have both more and less explosive erutions resulting in alternature layers of high siliica high viscosity lava and loose fragments of lava. These build up to form the steep sides of this volcano.

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