boundaries types. transform two plates slide past each other two plates slide past each other as...
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![Page 1: Boundaries Types. Transform Two plates slide past each other Two plates slide past each other As they slide, earthquakes often occur As they slide, earthquakes](https://reader036.vdocuments.site/reader036/viewer/2022062620/551aa9165503466b3a8b5c10/html5/thumbnails/1.jpg)
Boundaries Types
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Transform
• Two plates slide past each other
• As they slide, earthquakes often occur
• Examples: California’s San Andreas Fault
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Divergent
• When two plates spread away from each other forming new crust
• Causes earthquakes and volcanoes
• Usually undersea• Example: Iceland
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Convergent- Ocean-Ocean• When two ocean
plates meet• As the denser plate
slides underneath the other, the plate melts to magma and rises
• Magma reaches ocean floor and slowly rises to form volcanic island arcs
• Earthquakes can occur
• Example: Ring of Fire
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Convergent – Ocean-Continent• When an ocean
plates slides under a continent plate
• Forms volcanoes and earthquakes like an ocean-ocean boundary
• Examples: Western South America (Andes), Mt. St. Helens, Washington
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Convergent Continent-Continent• Occurs when two
continent plates meet• Since similar
densities, they do not slide easily underneath in to mantle
• The force of the collision pushes up mountains
• Earthquakes are common
• Example: The Himalayas
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