Seafloor Spreading Flashcards

1
Q
  • process that occurs at mid-ocean
    ridges, where new oceanic crust is formed through volcanic
    activity and then gradually moves away from the ridge.
A

Seafloor Spreading

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

basins that develop along the active boundary of
subduction zones.

A

Foreland -

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  • older parts of the oceanic crust that were
    smoothed due to sediment deposition.
A

Abyssal Plains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  • deepest parts of ocean basins (due to
    subduction of oceanic crust.
A

Deep Sea Trenches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  • typical rift system that consists of rift arms
    at approximately 120-degree angles
A

Triple Junction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  • is the flooded edge of the continents
A

Continental Shelf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  • is the edge or border region of the
    continent.
A

Continental Margin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Seafloor at subduction zones is destroyed

A

when a new one
is created.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Rocks of the ocean floor considered as geologically young

A

as they are constantly subducted and recycled into the
Earth’s mantle.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The capacity decreases,

A

during times of active seafloor
spreading.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

If research was based on demography,

A

it will be possibilities
of ocean population by man

How well did you know this?
1
Not at all
2
3
4
5
Perfectly