A mixture of dacite (65wt% SiO2) and basaltic andesite (53wt% SiO2).
Sunset Crater was fed by basaltic magma.
· It is determined by the primary factors of the magma's Temperature, its Composition, and the amount of Dissolved Gases it contains.
The type of volcanic eruption depends on the amount of gases and the composition of magma. In addition to the composition of the magma, the volcanic eruption depends on the ration of sulfur, carbon dioxide, and water the magma contains.
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magma .
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Sunset Crater was fed by basaltic magma.
Magma is not a mineral becauseIt is liquid.It does not have a definite chemical composition.
magma can be classified into two,magma of granitic composition(originates from lower continental crust) and magma of basaltic composition (which originates from upper mantle).Both can form intrusive rocks.
· It is determined by the primary factors of the magma's Temperature, its Composition, and the amount of Dissolved Gases it contains.
The type of volcanic eruption depends on the amount of gases and the composition of magma. In addition to the composition of the magma, the volcanic eruption depends on the ration of sulfur, carbon dioxide, and water the magma contains.
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magma .
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The composition of the magma affects how explosive a volcanic eruption will be.
The magma and lava of Surtsey has a composition of alkali Olivine Basalt.