Stable isotopes in the shell organic matrix for (paleo)environmental reconstructions.

Shells from Montehano and Carasa, which had enough material to be cut into several subsamples (see detailed explanation in the “Methods” section), showed a trend of lower values at the umbo toward slightly higher values at the ventral margin of the shells for δ 2 H values of both the SOM and IOM (Table 1 , Supplementary Note 1 , Supplementary Figs.

also in 53,322 other papers