Multiple Choice
Dikes serve an alternate purpose besides being an area where magma solidifies.For what else are dikes used?
A) pathways for geyser flow
B) linear holes that fill with sand
C) storage space for nuclear materials
D) magma pathways to surface volcanoes
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Important volatiles in magmas include<br>A) mafic minerals,such
Q8: The formation of magma within Earth is
Q14: Viscosity does NOT depend on _.<br>A)temperature<br>B)volatile content<br>C)silica
Q15: An irregular-shaped and blob-like igneous rock body
Q16: Viscosity controls how _.<br>A)hot the fluid is<br>B)fast
Q18: The mantle is composed entirely of _.<br>A)solid
Q30: In Bowen's discontinuous reaction series,the first mineral
Q35: All other factors being equal (i.e.,depth,volume,temperature,etc.),which type
Q44: If the volatile content of magma is
Q47: Describe the difference between the relative viscosity