Download oceanfloor features

Ocean Floor Features
Continental Margins
• Shallower portions of the
ocean floor
• Is the boundary between
the ocean floor and the
continents
Continental Shelf
• Edge of the continent
that is covered by ocean
water
• Varies in width
• Effected by sea level
CONTINENTAL SHELF
Continental Slope
• Steep decline at the edge of
the continental shelf
• Features that are found on
the shelf
– Canyons
– Turbidity currents – currents
that carry sediments and
cause more sloping
– Continental rise – raised
edge at the base
SHELF/SLOPE
Deep Ocean Basin
• Ocean Floor – oceanic
crust
Trenches
• Deep valley in the ocean
basin
• Caused by tectonic
features
• Deepest part on the
ocean
Abyssal Plains
• Flat floor in the ocean
Mid-Ocean Ridges
• Underwater mountain
chain
• New seafloor is created
here
• Because of the making
of new crust, the crust
breaks into series of
faults called Fracture
Zones
Seamounts
• Isolated volcanic
mountain
• If they rise above the
ocean surface it forms an
island (Hawaii)
SEAMOUNT
Guyots
• Old seamounts that have
sunk beneath the ocean
surface
http://www.coastnopp.org/visualization_modules/physical_chemical/
basin_coastal_morphology/principal_features/deep_
ocean/seamounts/seamounts.html
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