Volcanoes Flashcards
1
Q
What is the difference between magma and lava?
A
Magma is liquid rock under Earth’s surface, while lava is magma erupted onto Earth’s surface.
2
Q
What is the difference between Felsic and Mafic rock?
A
Felsic rock is usually magma rich in light-colored silicate materials, while mafic rock is usually magama rich in iron and magnesium and is commonly dark in colored.
3
Q
What forms in subduction zones?
A
Island Arcs & Volcanoes
4
Q
What are any volcanically active area that isn’t at a plate boundary called?
A
Hotspots
5
Q
What are the fragments of rock that form during volcanic eruptions called?
A
Pyroclastic Materials