Physics
Scientific paper
Nov 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975gecoa..39.1579c&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 39, Issue 11, pp.1579-1582
Physics
3
Scientific paper
The 87 Sr / 86 Sr ratio of interstitial waters squeezed from recent sediments of the Pacific Ocean increases from 0.70920 ± 0.00017 (2 ) to 0.70960 ± 0.0023 and 0.70984 ± 0.00040 at 1.50 and 1.60 m depth--reference value for sea water: 0.70910 ± 0.00035. This variation underlines the likely existence of exchanges between the clays and the interstitial environment. The isotopic homogenization of strontium between the clays and their environment, result of these changes, becomes thus a credible phenomenon. This is a new argument for the dating of clays by the Rb / Sr method.
Clauer Norbert
Grimaud Daniel
Hoffert Michel
Millot Georges
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