Fissure (Basaltic) Flashcards
1
Q
Location of fissure volcanoes
A
Constructive plate margins.
Where an elongated crack in the crust allows lava to spill out over a large area.
2
Q
Eruptions at a fissure
A
Basic lava such as blocky or smooth ropy and can create extensive lava plateaus.
Gentle and persistent eruptions
3
Q
Appearance at a fissure volcano
A
Gentle sloping sides, open fissure
4
Q
Example of fissure
A
Iceland 1973
Eurasian and North American plate
5
Q
Type of lava
A
Basaltic
