TERMIUM Plus^®

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paleotemperatures: surface temperature during the geological past, as measured indirectly, using various minerals. fossils, rock types, and geochemical-isotope ratios. (...) The most chemical-isotope ratio used is that of oxygen-16 to oxygen-18, which is partly dependent on temperature. This ratio, as measured in carbonate shell matter of marine organisms, indicates the surrounding water temperature at the time the matter was secreted.  2, fiche 1, Anglais, - paleotemperatures%20method

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Record number: 1, Textual support number: 1 CONT

La méthode des "paléotempératures" fondée sur les variations de la teneur en oxygène-18 des carbonates a permis voici un quart de siècle de donner les premières évaluations quantitatives de la température des mers du passé.  1, fiche 1, Français, - m%C3%A9thode%20des%20pal%C3%A9otemp%C3%A9ratures

Fiche 1,  Justifications,  Espagnol