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