They can be a few miles wide and for the most part are built out of basalt that has hardened.
This is the type of volcano of Olympus Mons and Mauna Loa. Their eruptions are not explosive but do involve large amounts of lava. They can be a few miles wide and for the most part are built out of basalt that has hardened. Name this volcano type which is neither cinder cone nor composite.
This is the type of volcano of Olympus Mons and Mauna Loa. Their eruptions are not explosive but do involve large amounts of lava.
Shield (Volcano)