A volcano which is categorized as having very steep sides, usually less than 300 meters (100ft) high, and consisting largely of pyroclastics is known as
What is cinder cone volcano
100
The internal resistance to flow is known as
What is viscosity
100
The ocean basin that is rimmed by the most subduction zones
What is the Pacific ocean basin
200
Paricutin is an example of a
What is cinder cone
200
The intrusive igneous rock body that is flat and parallel to existing rock layers.
What is sill
200
The most violent eruptions are associated with this type of volcano
What is a composite cone volcano
200
Correctly order magma from increasing viscosity
What is basalt, rhyolite, andesite
200
Divergent boundary volcanism most generally produces rocks that this composition
What is basaltic in composition
300
Mount Pelee on Martinique is an example of a
What is composite volcano
300
An intrusive igneous body that cuts across parallel rock layers is known as
What is a dike
300
The type of basaltic lava flow that has its surface covered with sharp-edged, angular blocks and rubble is known as
What is aa lava
300
The type of basaltic lava that flows fairly smooth, unfragmented, with ropy surfaces.
What is pahoehoe lava
300
What region of the Earth has the greatest concentration of currently active volcanoes?
What is the circum-Pacific area/Ring of fire
400
Mount St. Helens is a
What is an explosive stratovolcano
400
An intrusive igneous rock body that results from local inflation of a horizontal sill is known as
What is a laccolith
400
Erupted magma blobs that partly congeal before falling to the ground are known as
What are volcanic bombs
400
Th emajor dissolved explosive ingredient in both magmas and volcanic gases
What is water
400
Identify a U.S. volcano asociated with deep mantle hot spots
What are the volcanoes of Hawaii, or activity at Yellowstone National Park
500
Mount Vesuvius is an example of a
What is composite volcano
500
The primary reason why magma tends to rise toward Earth's surface
What is rocks become less dense when they melt
500
The city of St. Pierre, Martinique, was distroyed by this in 1902.
What is A nuee ardente
500
Name 2 of the 3 factors that help determine whether a volcanic eruption will be violent or quiescent
What is the amount of dissolved gases, temp of magma, or composition of magma
500
The Icelandic volcanoes are related to plate tectonics because they lie along this type of plate boundary, which means the plates are doing this.
What is a divergent plate boundary, where two plates are moving apart