Asked by Sienna Capellas on Apr 26, 2024
Verified
Which of the following settings is most likely to have eruptions of basalt?
A) island arcs
B) subduction beneath a thin continental plate
C) subduction beneath a thick continental plate
D) mid-ocean ridge
E) none of these
Mid-Ocean Ridge
An underwater mountain range formed by plate tectonics, where new oceanic crust is created by volcanic activity and then spreads away from the ridge.
Island Arcs
Curved chains of volcanic islands located along a convergent tectonic plate boundary, formed by the subduction of an oceanic plate beneath another plate.
Basalt Eruptions
Volcanic eruptions that produce basalt, a dark-colored volcanic rock rich in iron and magnesium, characterized by low viscosity lava flows.
- Identify the association between the composition of magma (felsic, mafic) and the characteristics of volcanoes.
- Explain the function of tectonic environments and mechanisms in the generation and migration of magma.
Verified Answer
Learning Objectives
- Identify the association between the composition of magma (felsic, mafic) and the characteristics of volcanoes.
- Explain the function of tectonic environments and mechanisms in the generation and migration of magma.
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