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What kind of formation is Mount St Helens?
Volcanic mountain.
What kind of volcano is Mount St. Helens in Washington?
Mount St. Helens, an active stratovolcano, is of the composite type.
What kind of volcano is mount st helens?
Mount St. Helens is a stratovolcano, which is a type of volcano known for its steep profile and explosive eruptions. It is located in the Cascade Range in the state of Washington in the United States.
What kind of gas came out of the Mount St. Helens when it erupted?
sulfur dioxide and carbon dioxide
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 kind of rock did Mt St Helen eject?
Mount St Helens primarily erupts dacite.
What kind of animals live at mount st helen?
what kinds of trees live around mout. st. helens
Did obsidian come out of mt st Helens?
Interesting question. After the explosive eruption, the gas content of the rhyolitic magma should have decreased enough to allow obsidian to form. It is the right kind of lava. However, most of the lava dome in the Mount St. Helens caldera is dacite, which is "grainier" than obsidian, indicating that it cooled too slowly to have a "glassy" appearance. Obsidian flows must cool quickly to prevent crystal formation. It is possible that some obsidian was formed, but subsequently covered by dacite. I have not been able to find any reports that mention obsidian recovered from the Mount St Helens lava dome.So the answer is a qualified no, we don't have any evidence of obsidian flows from Mount St Helens.Incidentally, there are individuals and companies selling products they call "helenite" or "St Helens Obsidian", which is a synthetic material created by fusing volcanic ash (which may or may not have come from Mount St Helens).
What kind of lava does mount st Helens produce?
The material produced by the eruptions of Mount St. Helens have varied over time, but the eruptions of recent decades, including the 1980 eruption, have involved dacite magma, whish is of intermediate-felsic composition. The famous 1980 eruption produced ash and pumice rather than lava.
What kind of volcano is mt st Helen's?
Mount St. Helens is a stratovolcano, also known as a composite volcano. Stratovolcanoes are characterized by their steep, symmetrical cones built up by layers of hardened lava, ash, and rocks. They are known for explosive eruptions due to the high viscosity of their lava.
What kind of eruption took place at mt st helens?
explosive
What kind of boundery is mt Saint Helens?
a natural boundary i believe
