Post on 28-Dec-2015
The Ring of Fire consists of chains of active volcanoes around the Pacific. What type of plate boundary are these volcanoes adjacent to?
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1. Transform2. Convergent –
subduction zones3. Divergent –
continental rifts.4. Convergent –
continental collision zone.
5. Divergent – oceanic ridges.
Which of the following is a surface expression of a convergent plate boundary?
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1. Oceanic Ridge
2. Continental Rift Valley
3. Fracture Zones
4. Continental Shelf
5. Deep-Ocean Trench.
1. 1
2. 2
3. 31
2
Which is the convergent plate boundary?
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3
1. 1
2. 2
3. 3
4. 4
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Which feature below is an oceanic ridge where new lithosphere is being formed?
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1. 1
2. 2
3. 3
4. 4
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Which feature below is a volcanic arc?
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Basaltic Crust Granitic Crust
Divergent Plate BoundaryOceanic Ridge Convergent Plate Boundary
(Subduction Zone)Oceanic Trench
Volcanic Arc
1. 1
2. 2
3. 3
4. 4
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Where would the most explosive and dangerous forms of volcanic activity be located?
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Basaltic Crust Granitic Crust
Divergent Plate BoundaryOceanic Ridge Convergent Plate Boundary
(Subduction Zone)Oceanic Trench
Volcanic Arc
Basaltic Magma
Andesitic Magma
BasalticMagma
Explosive Eruptions CommonEruptions of
Basalt Lava Flows
Where in the United States is an active subduction zone located?
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1. Offshore of the East Coast.
2. Along the Gulf of Mexico.
3. Offshore of the Pacific Northwest.
4. Southern California.
5. The Rocky Mountains.
CascadesCoast Range
North American PlateJuan de Fuca Plate
Pacific Plate
Juan de Fuca Ridge
Cascadia Subduction Zone
A majority of the largest magnitude earthquakes have occurred at which of the following?
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1. Divergent plate boundaries
2. Transform faults
3. Hotspots
4. Subduction Zones