Figure 5 | Scientific Reports

Figure 5

From: Non-marine palaeoenvironment associated to the earliest tetrapod tracks

Figure 5

REE data from track-bearing horizons. (a) Shale-normalized REE patterns from bulk rock samples of beds from the track-bearing horizons (*marks lateral equivalent), the Upper Complex of the Wojciechowice Formation, and the Kowala Formation. (b) Same samples plotted in a graph of calculated (Ce/Ce*)SN vs. (Pr/Pr*)SN values, after Bau & Dulski38. Note that only two data points fall into the area characterized by negative cerium anomalies.

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