Reports

Tertiary Sediment from the East Pacific Rise

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Science  04 Aug 1967:
Vol. 157, Issue 3788, pp. 537-540
DOI: 10.1126/science.157.3788.537

Abstract

More than 50 cores ranging in age from Pliocene to Lower Miocene have been recovered from the East Pacific Rise. Near the crestal regions the sediment cover is thin or lacking, and only Pleistocene sediments were recovered. On the flanks, the sediment thickness increases and pre-Pleistocene sediments are encountered. This pattern of increasing age and increasing sediment thickness away from the axis of the rise is in agreement with that predicted for spreading of the ocean floor.

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