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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.
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What type of lava comes out of lava domes?
coulees
What kind of lava do lava dome volcanoes contain?
Lava domes usually consist of rhyolite or dacite lava.
Where are the lava domes in AZ?
Lava domes in Arizona are primarily found in the San Francisco Volcanic Field, located near Flagstaff. The region features several notable lava domes, such as Sunset Crater and the surrounding formations. These domes were created by the slow extrusion of viscous lava, resulting in steep, mound-like structures. The area is significant for studying volcanic activity and geology in the southwestern United States.
Where are lava domes located?
Near subduction zones
What is the composition of a lava dome?
Lava domes are generally composed of felsic, highly viscous lava, usually dacite or rhyolite.
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.
These are large lava flows that look like blisters?
pancake domes
What Bulbous masses associated with volcanoes that extrude highly viscous material are called?
bulbous masses are associated with lava domes
What is the other 2 volcanoes other than the cone?
Lava Domes,CompositeShield
What type of volcano forms a lava dome?
Acid Lava Dome is a type of volcano that forms when viscous acid lava solidifies quickly to form a volcano with steep convex sides.
What is the process that form Soufriere Hills volcano on Montserrat?
from lava domes from previous eruptions
Where is Mount Augustine volcano located?
Mount St. Augustine is a stratovolcano and lava domes
