Volcanoes Flashcards
1
Q
basaltic magma characteristics
A
mafic rocks, low silica, low viscosity, found at hot spots
2
Q
shield volcanoes
A
product of balsaltic magma, flat volcanoes, repeated eruptions of basaltic magma
3
Q
andesitic magma characteristics
A
intermediate rocks, medium silica content
4
Q
composite volcanoes
A
formed from andesitic volcano eruptions, found at island and volcanic arcs
5
Q
rhyolitic magma
A
thick, high silica content, felsic rocks, coolest lava temp, high explosivity