Figure 14 | Scientific Reports

Figure 14

From: Platinum and microspherule peaks as chronostratigraphic markers for onset of the Younger Dryas at Wakulla Springs, Florida

Figure 14

Bayesian analyses to test the utility of YDB Pt peak in Paleo Unit 23 (PU23). Age-depth model using 3 OSL dates (black text; Table 1, Fig. 7), the Pt peak (green text and arrow), and the cultural age ranges of 3 culturally identifiable lithic artifacts (orange text; Fig. 7). The Pt peak’s chronostratigraphic position is statistically supported with a high Agreement Index of 95 (lower limit ≥ 60), confirming its utility as a chronostratigraphic marker.

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