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Volcanoes and Plate Tectonics
Volcanic Eruptions
Volcanic Landforms
California Geology
100
A molten mixture of rock-forming substances, gases, and water from the mantle
What is magma?
100
The layer of Earth's crust in which magma forms
What is the lithosphere?
100
What landforms did the movements of the Pacific and North American plates create
What is faults, volcanoes, mountain ranges, and basins?
200
The plate boundary that is marked by volcanoes along mid-ocean ridges
What is spreading boundary?
200
The sequence in which magma travels.
What is magma chamber, pipe, vent?
200
The three types of volcanoes
What is cinder cone, shield, and composite volcanoes?
200
How did Mount Shasta and Lassen Peak form
What is the subduction of the Juan de Fuca plate?
300
A string of islands made by volcanoes
What is an island arc?
300
The force that creates volcanic eruptions
What is pressure that pushes dissolved gases?
300
Layers of lave flows may form this high, level area
What is a lava plateau?
300
A bowl-shaped valley
What is a basin?
400
An area where material from deep within the mantle
What is a hot spot?
400
Bowl shaped area at top of a volcano
What is a crater?
400
Dikes and sills are these
What is intrusions?
400
A huge basin located in California
What is the Central Valley?
500
Magma that has reached the surface
What is lava?
500
Material that determines force of a volcanic eruption
What is silica?
500
A huge hole left by the collapse of a volcanic eruption
What is a caldera
500
Faults often form here
What is plate boundaries