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Bc Open Textbooks: Physical Geology: Crystallization of Magma
The minerals that make up igneous rocks crystallize at a range of different temperatures. The sequence in which minerals crystallize from magma is known as the Bowen reaction series. An explanation of the reaction series is provided...
CK-12 Foundation
Ck 12: Earth Science: Explosive Eruptions
[Free Registration/Login may be required to access all resource tools.] Explosive eruptions cause widespread damage and are very dangerous.