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1 May, 02:04

What factor cause magma to be classified as basaltic, andesitic, or rhyolitic based on what factor?

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  1. 1 May, 03:43
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    The three classifications of magma are mainly identified using their silica composition. Basaltic magma has the lowest silica content of 45-55% by weight. This makes it the least viscous and least explosive. Andesitic magma has 55-65%, making it more explosive and viscous. Rhyolitic magma has 65-75% silica, and is the most viscous and catastrophic.
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