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5 Cards in this Set
- Front
- Back
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Is the sea floor at C older or younger than at W
p55 |
younger
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why are the bands at C and W equal distance from mid-ocean ridge
p55 |
they spread apart at equal rates
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why is the sediment built up thick around the floor/continent boundary?
p55 |
the sediment comes from the continent
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Can there be any sediment on the new sea floor that is older than the time of initial rifting of the ancient continent?
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no, sea floor had to form first
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why would thickness of sediment be expected to increase away from ridge and in the direction of the continent?
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There is not enough energy to push the sentiment to the center
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