Plate boundaries Flashcards

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1
Q

Chain of volcanoes that develop parallel to the trench

A

Volcanic island arc

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2
Q

a break or a fracture in the earth’s crust

A

Fault

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3
Q

Consequences: Volcanoes, Trench
Oceanic will subduct
Examples:
Chile Trench and Andes Mountain

A

Oceanic - Continental

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4
Q

force exerted in a certain area

A

Stress

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5
Q

Destructive: melting or destroying of the lithosphere

A

Convergent

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6
Q

due to underwater disturbance

A

tsunami

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7
Q

Types of Convergent Plate Boundary

A

Oceanic-Continental
Ocean-ocean
Continental-continental

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8
Q

What process is called when 2 tectonic plates collide towards each other, one plate eventually slides beneath the other.

A

Subduction

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9
Q

The himalayan mountain range of India was formed at the _____

A

Convergent boundary

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10
Q

Constructive: Creation of a new atmosphere due to the rising and cooling of hot mantle
Consequence: Mid-Ocean ridges, Rift valleys

A

Divergent

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11
Q

The East African Rift is an example of a _____

A

Rift Valley

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12
Q

Convergent
stress: ?
fault: ?

A

Stress: Compression, Fault: Reverse

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13
Q

One plate is oceanic, there are large volcanoes found in lines that outline the subduction zone. Earthquakes also happen in these zones.

A

Oceanic-continental

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14
Q

When two plates collide, they have a density lower than the mantle which prevent subduction (submersion of plates under each other) so they create mountains.

A

Continental-continental

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15
Q

Consequence : Earthquakes and Active fault lines
Shallow Earthquakes = less than 70km
Deep Earthquakes = more than 70km
Conservative: Nothing is created nor destroyed
Horizontal

A

Transform Fault

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16
Q

One of the plates (oceanic crust and Lithospheric mantle) is pushed, or subducted, under the other that mixes with the overlying mantle, and the addition of water to the hot mantle lowers the crust’s melting point that leads to the formation of magma.

A

Ocean-ocean

17
Q

Seafloor spreading is located at

A

Divergent plate boundary

18
Q

Transform Fault/ Transform Boundary
stress: ?
fault: ?

A

Stress: Shear, Fault: Strike-slip

19
Q

Consequences : Tsunamis, Trenches
Older plate will be the one to subduct
Examples:
Mariana Trench

A

oceanic-oceanic

20
Q

Types of plate boundaries

A

Transform
Convergent
Divergent

21
Q

Consequences: Mountain, Mountain Ranges
No Subduction Occurs
Crust Buckles upward
Example:
Himalayas

A

Continental- Continental

22
Q

depression in the seafloor produced by the subduction process

A

Trench

23
Q

An example of transform fault boundary

A

San Andreas Fault

24
Q

Divergent
stress: ?
fault: ?

A

Stress: Tension, Fault: Normal