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15 March, 15:02

How does a scientist know how to draw isochrons to connect basalt flows on land with the ocean floor

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  1. 15 March, 15:20
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    Answer: Sea-floor spreading - In the early 1960s, Princeton geologist Harry Hess proposed the hypothesis of sea-floor spreading, in which basaltic magma from the mantle rises to create new ocean floor at mid-ocean ridges ... A test of the hypothesis of sea-floor spreading was provided by studies of the Earth's magnetism.
  2. 15 March, 15:32
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    The Beginning of 1960s, Princeton geologist Harry Hess suggested the sea-floor spreading theory, in which basaltic magma rises from the mantle to create new ocean floor on mid-ocean ridge. Studies of the Earth's magnetism have provided a test of the sea-floor spreading hypothesis.
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