Extended Data Fig. 6: Dose response and signal-decay curves for OSL samples. | Nature Geoscience

Extended Data Fig. 6: Dose response and signal-decay curves for OSL samples.

From: Fraser Island (K'gari) and initiation of the Great Barrier Reef linked by Middle Pleistocene sea-level change

Extended Data Fig. 6

Examples of the luminescence properties from representative aliquots of the oldest samples dated in this study. Five dose-response curves and luminescence decay curves are shown for each sample. The DE (equivalent dose) and D0 (characteristic dose of saturation) are provided for each sample. It is recommended that DE values are within 200% of the D0 value for accurate age determination. Despite the old age estimates, all samples are under this threshold, except sample USU-2259 (1.1 Ma), which has a DE only slightly over 2x the D0 value.

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