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the type of material it is, is a composite which has high eruptive forces, has high silica content, and has high gas content. which makes it an eruption product of gas and ash.
Wiki User
∙ 14y ago
Mount St. Helens is predominantly composed of andesite, which is an intermediate volcanic rock that forms from the partial melting of the Earth's crust. This type of rock gives Mount St. Helens its characteristic gray color and is related to the volcanic activity in the area.
Wiki User
∙ 9y agoMount St Helens is made up of andesitic and rhyolitic pyroclastic materials.
Wiki User
∙ 12y agoit is made out of ma
oltin rock or lava that come out of the volcano and that repeats
Wiki User
∙ 10y agoThe answert is BASALT.
Wiki User
∙ 13y agomount st helens is a igneous rock dakotah
Wiki User
∙ 12y agolava rock
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What kind mountain is mount st Helens?
Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It is part of the Cascade Range. The mountain is well known for its catastrophic eruption in 1980 which dramatically changed its landscape.
What type of valcano is mt st Helens?
Mount St Helens is a composite cone (strato) volcano.
What type of eruptions does mount st Helens do?
Like most stratovolcanoes, Mount St Helens alternates between explosive and effusive eruptions.
What kind of volcano is Mount St. Helens in Washington?
Mount St. Helens, an active stratovolcano, is of the composite type.
What type of rock layer does mount st helens have?
Mount St. Helens is primarily composed of alternating layers of lava flows, ash, and pyroclastic deposits. These layers are the result of the volcano's past explosive eruptions and lava flows.
What type of rock is around mt st Helen's?
Mount St Helens is composed primarily of dacite.
What kind mountain is mount st Helens?
Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It is part of the Cascade Range. The mountain is well known for its catastrophic eruption in 1980 which dramatically changed its landscape.
What type of valcano is mt st Helens?
Mount St Helens is a composite cone (strato) volcano.
What type of eruptions does mount st Helens do?
Like most stratovolcanoes, Mount St Helens alternates between explosive and effusive eruptions.
What type of mountain is mount st helens)?
Volcano.
What type of landform is mount st helens?
Volcano
What kind of volcano is Mount St. Helens in Washington?
Mount St. Helens, an active stratovolcano, is of the composite type.
What type is mount st helens?
It's an active stratovolcano
What type of plate boundary is Mount St. Helens?
subduction
What material is mount st helens made of?
by ash, rock, lava, and gas
What is the pipe for mount st Helens?
the pipe for mount st. helens is none of your bissunes '
What kind of rock did Mt St Helen eject?
Mount St Helens primarily erupts dacite.
