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Is it true that andestitic magma has both an intermediate gas content and explosiveness?
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What is the content in magma directly affects a volcanoes explosiveness?
jacob
What is the relationship between the silica content of magma and the explosiveness of a volcanic eruption is?
we
What are the two factors control the explosiveness of a volcano?
The viscosity of the magma and its gas content.
What are 3 substances that affect the explosiveness of volcanic eruptions?
Amount of dissolved gasses in a liquid, the silica content, and the viscosity of the magma.
What is the silica content of magma that would result in pyroclastic flow?
it is normally intermediate flow because of the silica content.
Does Andesitic magma have both an intermediate gas content and explosiveness?
yes.
What is the content in magma directly affects a volcanoes explosiveness?
jacob
What is the relationship between the silica content of magma and the explosiveness of a volcanic eruption is?
we
What are the two factors control the explosiveness of a volcano?
The viscosity of the magma and its gas content.
What are 3 substances that affect the explosiveness of volcanic eruptions?
Amount of dissolved gasses in a liquid, the silica content, and the viscosity of the magma.
What is the relationship between the silica contents of magma and the explosiveness of a volcanic eruption?
The high the silica content, the explosive and the eruption.
What is the silica content of magma that would result in pyroclastic flow?
it is normally intermediate flow because of the silica content.
Is andiestic magma high in silica?
Andesitic magma has intermediate silica content. Rhyolite has the highest(>68%) and Basaltic the least.
What is the relationship between the amount of gases in magma and the explosiveness a volcanic eruption?
The more gases, water vapor and silica there is in magma the bigger the explosiveness of a volcanic eruption.
How the composition of magma determines an eruption's characteristics?
Silica(te) rich magma is usually an explosive eruption. The explosiveness of an eruption depends on - a) Gases trapped within the magma at eruption b) The Silica content c) The fragility of the crater walls and/or the volcanic plug.
What is the silica of magma that would result in a pyroclastic flow?
it is normally intermediate flow because of the silica content.
What determines the explosiveness of an eruption?
viscosity of magma build up of gases
