Exploratour - The Surface of the Earth
The Ocean Floor
A map of the ocean floor reveals all of the features listed below. The picture to the left shows some of them.
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Deep trenches at the edges of some plates
- some of these trenches are 6 miles deep. That is a couple miles deeper than the normal sea floor.
- Raised areas in the middle (sea-floor spreading centers)
- Transform faults
- Large volcanoes which form isolated islands
- when submerged, these islands are called culottes