Temperature Measurements from Oxygen Isotope Ratios of Fish Otoliths

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Science  31 Mar 1967:
Vol. 155, Issue 3770, pp. 1684-1685
DOI: 10.1126/science.155.3770.1684


Measurements have shown that the temperature of a fish's habitat can be deduced from the Oxygen isotope ratio of its otoliths (ear bones). Isotope ratios Obtained from fossil otoliths indicate a water temperature which agrees wiht that found by isotope measurements on associated benthonic foraminifera.

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