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The Seafloor
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Continental margin: Shelf, slope, rise
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Submarine canyons, turbidity currents
Relationships between : shelf, slope, canyons, fans, rise
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Abyssal plain Vast and flat Interrupted by
Seamounts (volcanic in origin) Guyots or tablemounts (eroded islands)
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Formation of guyots Found on abyssal plains
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Location of mid-ocean ridges
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Mid-ocean ridges, transform faults, fracture zones
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Formation of hydrothermal vents
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Black smoker
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ALVIN
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Tube worms at smoker
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Black lines = center of ridges
Offsets = transform faults Long red lines = fracture zones
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Location of trenches
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Trenches
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A review
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