Was mount st Helens a lava dome volcano?
No. Although Mount St Helens has a lava dome in it, the volcano itself is a stratovolcano.
The 1980 eruption of Mount St. Helens did not produce any lava flows. That eruption produced massive clouds of ash and pumice. Later activity formed a lava dome, but not lava flows. No eruption that has been directly observed at Mount St. Helens has produced lava flows, but some prehistoric eruptions have.
lava dome has a more vicious lava than of a shield volcano.lava dome is formed by relatively, small bulbous gases,however for the shield volcano it is made up of BASIC lava.the basic lava spreads over a wide area before it solidifies for lava dome it is too vicious to flow any great distance. shield volcano produces a gently sloping cone.an example of a shield volcano is the mauna loa in Hawaii where as an example…