Volcanoes
A structure which releases magma and gases
What is a volcano?
What is 3?
This is trapped inside magma and can get stuck, building up pressure
What is gas?
The molten rock underneath the earth
tectonic plates collide (convergent plates) one plate moves under the other
What is Subduction?
What is an eruption?
Has a runny lava and low-angling sides
What is a Shield volcano?
Thin lava comes from this kind of volcano
What is a shield volcano?
Molten rock once it hits the earth's surface?
What is lava?
a volcano that is presently quiet, but can erupt in the future
What is a dormant volcano?
What is a magma chamber?
Thick lava comes from these kinds of volcanoes
What is cindercone and composite?
wide flat landform caused by lava spreading in large areas
What is a Lava Plateau?
a volcano that is no longer capable of erupting
What is an extinct volcano?
What is a Cinder cone volcano?
This mineral determines a lava's viscosity
What is Silica?
central vent at the top; funnel shaped pit
What is a crater?
The geologic area where earthquakes and volcanoes are prevalent due to the tectonic activity
What is the Ring of Fire?
The stratovolcano that overlooks Tokyo, Japan
What is Mount Fuji?
What is a stratovolcano?
Silica content % from a supervolcano
What is 75%
large semicircular depression caused by the chamber collapsing
What is a caldera?
magma that is blasted into the air and hardens
What is pyroclastic flow