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Does Mount St Helens spew pahoehoe pillow Aa or Blocky lava?
Mount St. Helens mainly produces blocky lava (andesitic) during its eruptions. However, the volcano has also had episodes where it spewed pahoehoe lava due to changes in eruptive style.
What type of rock layer does mount st helens have?
As Mount St. Helens is a volcano the slopes would be covered in layers of volcanic dust and lava.
Is mount st Helens high in silica or low in silica?
Mount St Helens produces mostly dacite lava, which is relatively high in silica.
How did the people die of mount st Helens?
Mount St Helens was an active volcano..... put 2 and 2 together. Lava and Humans dont mix very well!
What rock type is mount st Helens?
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.
Is Mt St Helens a lava dome?
No. Mount St. Helens is a stratovolcano. There is a lava dome in the crater.
Does Mount St Helens lava flow violently or quietly?
Lava can't flow violently. Highly explosive eruptions such as the 1980 eruption of Mount St. Helens do not produce lava flows: they produce clouds of ash, gas, and pumice. Mount St. Helens has produced "quiet" lava flows at times.
Does Mount St Helens spew pahoehoe pillow Aa or Blocky lava?
Mount St. Helens mainly produces blocky lava (andesitic) during its eruptions. However, the volcano has also had episodes where it spewed pahoehoe lava due to changes in eruptive style.
What type of rock layer does mount st helens have?
As Mount St. Helens is a volcano the slopes would be covered in layers of volcanic dust and lava.
Is mount st Helens high in silica or low in silica?
Mount St Helens produces mostly dacite lava, which is relatively high in silica.
What is mount st helens made out of?
alternating layers of lava and tephra
What material is mount st helens made of?
by ash, rock, lava, and gas
How did the people die of mount st Helens?
Mount St Helens was an active volcano..... put 2 and 2 together. Lava and Humans dont mix very well!
What type of volcanoe is Mt St Helen?
Mount St. Helens is a stratovolcano, also known as a composite volcano. This type of volcano is characterized by its steep slopes and explosive eruptions due to a mixture of lava flows and pyroclastic material.
What rock type is mount st Helens?
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.
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 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.
