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Fig. 2 | Progress in Earth and Planetary Science

Fig. 2

From: Litho-, bio-, and chemostratigraphy of the Middle Triassic carbonate succession in the North-Central Coast Region of Vietnam

Fig. 2

Lithostratigraphy and chemostratigraphy of carbonates from core no. 1. 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. 1. Note that the pink areas denote the threshold for samples determined to be diagenetically altered, based on criteria defined by Denison et al. (1994) and Jacobsen and Kaufman (1999). The blue area denotes 87Sr/86Sr of Anisian seawater (McArthur et al. 2001). BG, bioclastic grainstone; BP, bioclastic packstone; IG, intraclastic grainstone; MB, microbialite; NR, no recovery; OF, oncoidal floatstone; PBP, peloid bioclast packstone; PBP/G, peloid bioclast packstone/grainstone; PG, peloidal grainstone; PP, peloidal packstone; PP/G, peloidal packstone/grainstone; PPMB: peloidal packstone with/interlayers of microbialite; SL, sandy limestone

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