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GEOS-101 > Plate Boundaries > Flashcards

Plate Boundaries Flashcards

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1
Q

Marked by Volcanoes, mountains, faults, and earthquakes

A

Plate Boundaries

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2
Q

Hot mantle plumes can punch through the center of a plate forming:

A

Hot Spot (Hawaii)

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3
Q

Is a hot spot a plate boundary?

A

NO

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4
Q

Earth’s rocky shell comes in 2 types:

A

Continental

Oceanic

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5
Q

Continental
Made of?
Recycled?
Old?

A

Thick light weight rock
Can not be recycled
Old and cold

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6
Q

Oceanic
Made of?
Can it be recycled?
How old?

A

Thick and Heavy rock
Can be recycled by melting into the mantle
Young and hot

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7
Q

Crack apart and move away from each other.

A

Divergent

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8
Q

Plates move toward each other and collide

———->

A

Convergent

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9
Q

Plates try to slide past each other (sliding glass door)

————–>

A

Transform

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10
Q

Splits one continent into two, forms a new baby ocean.

A

Rifting

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11
Q

Makes old oceans larger

A

Spreading

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12
Q 
RIFTING ZONE
Motion:
Lithosphere:
Landform:
Purpose
A

Motion: Divergent
Lithosphere: Continental
Landform: RIFT VALLEY
Purpose: Break up large continents

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13
Q 
SPREADING ZONE
Motion:
Lithosphere:
Landform:
Purpose
A

Motion: Divergent
Lithosphere: Oceanic
Landform: MID OCEAN RIDGE
Purpose: Make ocean floor and lose heat

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14
Q

Old ocean crust sinks and melts

A

Subduction

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15
Q 
OCEAN-OCEAN SUB-ZONE
Motion:
Lithosphere:
Landform:
Purpose
A

Motion: Convergent
Lithosphere: Both oceanic
Landforms: DEEP SEA TRENCH, Volcanic, ISLAND ARC
Purpose: Get rid of old cold ocean floor

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16
Q 
OCEAN-CONTINENT SUB ZONE
Motion:
Lithosphere:
Landform:
Purpose:
A

Motion: Convergent
Lithosphere: Ocean vs Continent
Landform: Deep-sea Trench, VOLCANIC MOUNTAINS
Purpose: Get rid of ocean floor

17
Q

Small continents form during….

A

Subduction

18
Q

Small ‘scraps’ join to make larger continents

A

Collision

19
Q 
COLLISION ZONE
Motion:
Lithosphere:
Landform:
Purpose:
A

Motion: Convergent
Lithosphere: Continent
Landform: NON VOLCANIC MOUNTAINS
Purpose: glue small continents together

20
Q

Form connecting links between other kinds of plate boundaries

A

Transform Faults

21
Q 
TRANSFORM BOUNDARIES
Motion:
Lithosphere:
Landform:
Purpose
A

Motion: Transform
Lithosphere: Anything
Landform: STRIKE-SLIP FAULT
Purpose: Connect other plate boundaries

GEOS-101 (36 decks)

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