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What type of lava does a lava dome hold?
A lava dome holds very viscous lava, which is why it forms a dome rather than flowing away. Usually it is rhyolite or dacite.
How long did the lava flow last of the 1980 Mt St helens eruption last?
There were no lava flows associated with the 1980 eruption. The eruption instead produced a massive eruption column and pyroclastic flows. This eruption lasted for 10 hours. A series of smaller explosive and dome-building eruptions continued from six years.
What forms when the lava ejected is too thick to flow?
When the lava ejected is too thick to flow, it solidifies near the vent and can form a dome-shaped feature called a lava dome. Lava domes are typically made of highly viscous lava, which does not flow easily. They can grow slowly over time as more lava is added to the dome from the eruption.
What kind of lava does Mount Shasta have?
Mount Shasta primarily produces andesitic lava, which is a type of intermediate lava characterized by a medium viscosity and silica content. This type of lava typically results in eruptions that produce a combination of lava flows and explosive eruptions.
What type of scientists most likely to study the cooling of lava after a volcanic eruption?
A vulcanologist is most likely to study the cooling of lava after a volcanic eruption
What type of lava does a lava dome hold?
A lava dome holds very viscous lava, which is why it forms a dome rather than flowing away. Usually it is rhyolite or dacite.
How long did the lava flow last of the 1980 Mt St helens eruption last?
There were no lava flows associated with the 1980 eruption. The eruption instead produced a massive eruption column and pyroclastic flows. This eruption lasted for 10 hours. A series of smaller explosive and dome-building eruptions continued from six years.
Is lava dome a type of volcano?
Not exactly. Some volcanoes do consist of simply a lava dome, but most lava domes are found in or on stratovolcanoes.
What type of eruption does composite volcano have?
The type of eruption that a composite volcano has is lava flow with cinders and bombs in an explosive eruption
What forms when the lava ejected is too thick to flow?
When the lava ejected is too thick to flow, it solidifies near the vent and can form a dome-shaped feature called a lava dome. Lava domes are typically made of highly viscous lava, which does not flow easily. They can grow slowly over time as more lava is added to the dome from the eruption.
What are the differences between pahoehoe and AA What kind of eruption produces these type of lava?
The differences are that Pahoehoe produces fast moving lava; Aa produces slower moving lava. The kind of eruption that produces these types of lava is a quiet eruption.
What is the magma type for a lava dome?
The magma type for a lava dome is typically viscous and silica-rich. This type of magma often leads to slower, more explosive eruptions that result in the gradual buildup of a dome-shaped feature composed of solidified lava.
What kind of lava does Mount Shasta have?
Mount Shasta primarily produces andesitic lava, which is a type of intermediate lava characterized by a medium viscosity and silica content. This type of lava typically results in eruptions that produce a combination of lava flows and explosive eruptions.
What type of scientists most likely to study the cooling of lava after a volcanic eruption?
A vulcanologist is most likely to study the cooling of lava after a volcanic eruption
Why is a lava dome called a lava dome?
A lava domes is a structure that forms when a volcano extrudes very viscous lava that builds into a dome-shaped pile rather than flow downhill.
What type of volcano is El Chichonal?
It is classified as a lava dome.
What shoots out of a volcano during an eruption?
It depends on the type of eruption. Some will erupt lava or a mixture of lava and gas. Others will erupt gas, ash, and pumice.
