Age of the Floor of the Eastern Indian Ocean

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Science  01 Jun 1973:
Vol. 180, Issue 4089, pp. 952-954
DOI: 10.1126/science.180.4089.952


Deep sea drilling in the eastern Indian Ocean shows that the oceanic crust off Western Australia is approximately 140 million years old and becomes younger to the west; this dates the initial opening of the Indian Ocean.