Igneous rock definitions Flashcards
1
Q
Intrusive (plutonic)
A
when magma stalls in the crust
2
Q
Extrusive (volcanic)
A
when magma erupts from a volcano
3
Q
Magma
A
melt (usually silica) produced by partial melting in the interior of the planet
4
Q
Lava
A
when erupted at the surface
5
Q
Igneous rock
A
aggregate of the minerals and/or glass formed by cooling and crystallization of magma
6
Q
A