LESSON 7: MAGMATISM Flashcards
1
Q
molten or semi molten rocks
A
Magma
2
Q
process where magma form and occur
A
Magmatism
3
Q
storage location of magma
A
Magma Chamber
4
Q
channel where magma travels Crater top of volcano
A
Main vent
5
Q
top of volcano
A
crater
6
Q
part of upper mantle located below the earth’s crust
A
Asthenosphere
7
Q
different minerals in rock melt at different temperature and pressure.
A
Melting
8
Q
THREE CONDITIONS FOR MELTING OF ROCKS TO OCCUR:
- happens in Convergent Boundaries
A
Increase temperature
9
Q
happen in Mid Ocean Ridge
A
Decrease of Pressure
10
Q
happen in Subduction Zone
A
Addition of Volatiles
11
Q
happen in Subduction Zone
A
Addition of Volatiles
12
Q
materials or substance with low boiling point
A
Volatiles
Example: Water and Gas easy to evaporate, When water or carbon dioxide is added to hot rocks, flux melting occurs.
