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The Seafloor.

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Presentation on theme: "The Seafloor."— Presentation transcript:

1 The Seafloor

2 Continental margin: Shelf, slope, rise

3 Submarine canyons, turbidity currents
Relationships between : shelf, slope, canyons, fans, rise

4 Abyssal plain Vast and flat Interrupted by
Seamounts (volcanic in origin) Guyots or tablemounts (eroded islands)

5 Formation of guyots Found on abyssal plains

6 Location of mid-ocean ridges

7 Mid-ocean ridges, transform faults, fracture zones

8 Formation of hydrothermal vents

9 Black smoker

10 ALVIN

11 Tube worms at smoker

12 Black lines = center of ridges
Offsets = transform faults Long red lines = fracture zones

13 Location of trenches

14 Trenches

15 A review


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