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Table 3 Amino-acid racemization dating results

From: The Misery Point cliff, Mayaguana Island, SE Bahamas: a unique record of sea-level highstands since the Early Pleistocene

Sample# Unit Sect. A/I ratio measured STD Aminozone MIS
FAb 174 CT 0.301 0.002 C 5a
FAb 172 SB 1 0.372 0.001 C–E1 5a–5e
FAb 38 4 2 0.418 0.001 E 1 Late 5e
FAb 56 1 1 0.518 0.039 E2 –F/G 5e–7
Sample # Unit Sect. A/I ratio calculated STD Aminozone MIS
FAb 171 4 1 0.779 0.001 I >13
FAb 38 4 2 0.342 0.027 C 5a
FAb 42 3 2 0.767 0.007 H–I 9 ≥13
FAb 43 2 2 0.354 0.035 C–E1 5a–5e
FAb 45 1 2 0.343 0.006 C 5a
  1. Upper portion of the table provides measured A/I ratios (IE-HPLC method); lower portion of the table gives calculated A/I ratios from measured D/L Glu values with the RPLC technique
  2. Sct. Section number, STD standard deviation, MIS marine isotope stage, CT coral terrace, SB serpulid boundstone