Variable: Calcite d18O unit: o/oo precision: ± 0.5 o/oo Depth (cm) ?18O (vPDB) 0 -20.69 2 -22.64 4 -21.80 8 -21.19 10 -18.80 16 -22.22 20 -23.02 22 -21.40 24 -23.06 26 -23.03 28 -22.10 30 -22.82 32 -21.86 34 -22.48 36 -22.55 38 -20.63 40 -21.06 42 -21.12 44 -22.55 46 -22.55 48 -23.53 50 -22.65 52 -22.64 60 -22.79 62 -22.10 64 -21.49 74 -21.14 77 -23.06 81 -21.35 85 -20.20 88 -22.23 92 -20.78 95 -22.51 97 -21.46 97.5 -21.48 99 -20.88 137 -20.45 141 -21.77 147.5 -21.58 285 -20.20 290.5 -21.66 294 -18.86 301.5 -17.27 304 -21.10 305.5 -21.35 309.5 -21.67 311.5 -21.27 315.5 -22.32 321 -22.12 322.5 -22.07 326 -19.98 327 -23.01 330 -19.79 332.5 -22.71 334 -21.97