Plate Boundaries List & Flashcards

Plate Boundaries List & Flashcards
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Convergent Plate Boundary
Two plates impact with each other; an oceanic plate may be forced under the continental plate forming deep ocean trenches and volcanoes; two continental plates may smash together forming mountains.
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East African Great Rift Valley
A divergent boundary. The land is slowly moving apart forming a rift valley; eventually the ocean will separate East Africa from the rest of the continent.
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Divergent Plate Boundary
Two plates move apart from each other creating mid-ocean ridges (underwater volcanoes fill space with new crust) or rift valleys in continents (continents break, eventually filling with ocean).
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The San Andreas Fault
A transform boundary on the western coast of North America. The Pacific plate moves north with respect to the North American plate.
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Transform Plate Boundary
Left/right lateral motion of one plate against another; massive amounts of energy released cause earthquakes.
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Name the 3 Types of Plate Boundaries
Transform, divergent, and convergent
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Plate Tectonic Theory
Earth is made up of rocky 'plates' that move over the mantle due to convection currents; based on geological observations of continental drift (early 20th century), and seafloor spreading (1960s).
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List the 7 Major Tectonic Plates
African, Antarctic, Australian, Eurasian, North American, South American, and Pacific.
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17 cards in set

Flashcard Content Overview

This set of flashcards introduces you to the world of plate boundaries. You will review the definition of convergent, divergent, and transform boundary and learn about some famous examples of each kind, like the Himalayas, Mid-Atlantic Ridge, and San Andreas Fault.

Front
Back
List the 7 Major Tectonic Plates
African, Antarctic, Australian, Eurasian, North American, South American, and Pacific.
Plate Tectonic Theory
Earth is made up of rocky 'plates' that move over the mantle due to convection currents; based on geological observations of continental drift (early 20th century), and seafloor spreading (1960s).
Name the 3 Types of Plate Boundaries
Transform, divergent, and convergent
Transform Plate Boundary
Left/right lateral motion of one plate against another; massive amounts of energy released cause earthquakes.
The San Andreas Fault
A transform boundary on the western coast of North America. The Pacific plate moves north with respect to the North American plate.
Divergent Plate Boundary
Two plates move apart from each other creating mid-ocean ridges (underwater volcanoes fill space with new crust) or rift valleys in continents (continents break, eventually filling with ocean).
East African Great Rift Valley
A divergent boundary. The land is slowly moving apart forming a rift valley; eventually the ocean will separate East Africa from the rest of the continent.
Convergent Plate Boundary
Two plates impact with each other; an oceanic plate may be forced under the continental plate forming deep ocean trenches and volcanoes; two continental plates may smash together forming mountains.
Ring of Fire
A chain of volcanoes resulting from convergent plate boundaries in the Pacific Ocean. Movement involves the Pacific, Filipino, Juan de Fuca, Cocos, Caribbean, and Nazca tectonic plates.
Name this type of plate boundary
Convergent plate boundary
Name this type of plate boundary
Divergent plate boundary
Name this divergent plate boundary
East African Great Rift Valley
Name this type of plate boundary
Transform plate boundary
Describe how these were created: Andes Mountains, Aleutian Islands
These were created by the subduction of oceanic lithosphere under continental lithosphere at convergent plate boundaries.
Describe what is happening at these locations: Mid-Atlantic Ridge, middle of Iceland
These places are geologically significant because they mark the divergent boundary where the North American and Eurasian tectonic plates meet and separate.
The Alpine Fault
A transform fault where the Australian plate is sliding past the Pacific plate; this interaction lifts up the Southern Alps.
The Himalaya Mountains
These mountains are formed from a continental-continental plate convergent boundary, where the Eurasian Plate and the Indian Plate are colliding with each other.

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