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Mount St. Helens consists of lava rock interlayered with ash, pumice and deposits, together with layers of basalt and andesite.

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What kind of formation is Mount St Helens?

Volcanic mountain.


What type of mountain is mount st helens)?

Volcano.


What are some interesting facts about mount st Helens?

People thought that Mount St. Helens was just a mountain until it had a volcanic eruption in 2004 when 400 meters of the top of the mountain blew off.


What kind of volcano is Mount St. Helens in Washington?

Mount St. Helens, an active stratovolcano, is of the composite type.


What famous mountain was made from a volcano?

There are many including Mount St Helens, Mount Rainier, Mount Fuji, and Mount Vesuvius.


Which mountain erupted in 1980 in Washington US?

Mount St. Helens is a active volcano, in the Washington State.


When did Mount St. Helens get its name?

Mount St. Helens was known as "Louwala-Clough" ("smoking mountain") by the Indians of the Northwest. Captain George Vancouver of the British Royal Navy named it Mount St. Helens in 1792, after his friend Alleyne Fitzherbert, 1st Baron St. Helens. Mount St. Helens is commonly misspelled in a half-dozen ways. For more background on the spelling and history of the volcano, see the link below.


What geographic feature is prominent among the pacific mountain ranges?

mount st. helens


What town is mount St. Helens in?

its not in a town or city its in a national forest


What is the pipe for mount st Helens?

the pipe for mount st. helens is none of your bissunes '


What mt range is mt st helens in?

Mount St. Helens is located in the Cascade Range, a mountain range in the Pacific Northwest region of North America.


What animals live on Mount St Helens?

Northern Pocket Gopher, Elk, Mountain Bluebird