A
Volcano that emits mostly cinders, ashes, and bombs.
What is a cinder cone?
Tiny, angular, glassy fragments
What is ash?
This is the type of rock volcanoes are made of.
What is igneous rock?
This is a depositional mountain built up by molten rock that has risen to the earth's surface through a vent.
What is a volcano?
Volcano that emits lava and solid debris in alternately quiet and explosive eruptions.
What is a stratovolcano?
What is lava?
The term volcano originally came from the name of this.
What is a Roman god?
These two items are products of intrusive volcanism
The depression found at theta of most volcanic cones.
What is a crater?
This type of lava forms underwater.
What is pillow lava?
A vent in the ground through which hot gases escape
What are fumaroles?
The most common structure type of a volcano.
What is a stratovolcano?
Streamlined mass of ejected lava that solidified in flight.
What is a bomb?
Volcano having no historical record of eruption and showing no seismic indications of activity deep underground.
What is an extinct volcano?
A volcano begins to form when magma forces its way to the surface and breaks through, forming a hole or a _________.
What is a vent?
Type of volcano that emits mostly lava in quiet eruptions.
Volcanoes located in Washington.
What are Mt. Saint Helens and Mt. Rainier
The amount of tephra produced, the height of the eruption cloud, and a descriptive estimate of the explosion are all basis for this.
What is the VEI of a volcano's eruption?
This volcano belt is known as the Ring of Fire.
What is the Circus-Pacific volcano belt?
A mudslide caused by a volcano.
What is a lahar?
The amount of this is used to classify magma
What is the silica?
Flood _________ are thick layers of igneous rock covering large portions of the earth. They are thought to have formed when huge quantities of magma were released through cracks in the earth's crust.
What are basalts?
"glowing avalanche"
What is pyroclastic flow?
A spring that periodically ejects large quantities of hot water and steam.
What is a geyser?