Shield (Basaltic) Flashcards
1
Q
Location of a shield volcano
A
Mid-ocean ridges, rift valleys and hotspots where magma has direct access to the surface.
Oceanic oceanic convergence
2
Q
Eruptions of a shield volcano
A
Runny lava from a central vent, less viscous, gentle and predictable
3
Q
Appearance of a shield volcano
A
Gently sloping sides built up by numerous basaltic lava flows
4
Q
Example of shield volcano
A
Mauna Loa in Hawaii; volume of 40,000 km3