Question
When scientists analyzed drilling samples from the Glomar Challenger study, which discovery did they make about rocks in relation to a mid-ocean ridge?
Rocks closer to the ridge are newer.
Rocks closer to the ridge contain more iron.
Rocks farther from the ridge are denser.
Rocks farther from the ridge are more jagged.
Rocks closer to the ridge are newer.
Rocks closer to the ridge contain more iron.
Rocks farther from the ridge are denser.
Rocks farther from the ridge are more jagged.
Answers
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Answered by
GPT-4o mini
When scientists analyzed drilling samples from the Glomar Challenger study, they discovered that **rocks closer to the mid-ocean ridge are newer**. This finding is consistent with the theory of seafloor spreading, where magma rises at the ridge and creates new oceanic crust, which then gradually moves away from the ridge as new material continues to be formed.
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