Fig. 3From: Litho-, bio-, and chemostratigraphy of the Middle Triassic carbonate succession in the North-Central Coast Region of VietnamLithostratigraphy and chemostratigraphy of carbonates from core no. 4. Vertical profiles of δ13C and δ18O values, Sr, Mn, and Fe concentrations, and Mn/Sr and 87Sr/86Sr values of bulk carbonate samples from core no. 4. For the definition of the pink and blue areas and abbreviations, see the Fig. 2 captionBack to article page