Continental Crust Is Typically of __________ Composition

Q18: Which magma type erupts most violently?<br>A) basaltic<br>B)

Q19: A shield volcano commonly erupts when:<br>A) basaltic

Q20: A/an _ is a crater formed by

Q21: About 75 percent of the Earth's volcanic

Q22: A chaotic mixture of volcanic ash and

Q24: _ is lava with a jagged, broken

Q25: A granitic pluton that is exposed for

Q26: Pahoehoe lava cools and stiffens as it

Q27: Yellowstone Park is an example of three

Q28: Typical granitic magma contains _ silica and