Sentences with phrase «foraminiferal calcite»

The magnitude of sea - level estimates for the past 100 million years rely heavily on foraminiferal calcite oxygen isotopes (δ18O), which are influenced by temperature, evaporation and precipitation, and diagenesis2.

Cenozoic deep - sea temperatures and global ice volumes from Mg / Ca in benthic foraminiferal calcite

This shows the effect of historically invisible confounding influences on T: dO18 proxy reconstructions, and explicitly refutes your claim, Kau, that, «ONLY a change in temperature or a change in seawater δ18O can alter the δ18O ratio of foraminiferal calcite.