Table 1. Age (Ma) Depth (mcd) 0.000 0.00 0.088 0.58 0.127 1.48 0.140 1.63 0.174 2.07 0.184 2.35 0.247 3.27 0.354 4.39 0.479 6.43 0.509 6.78 0.579 7.76 0.614 8.43 0.628 8.50 0.659 8.80 0.717 9.31 0.737 9.60 0.783 10.09 0.990 11.83 1.070 12.63 1.770 18.10 1.950 19.15 2.600 22.20 3.053 23.75 3.131 23.95 3.224 24.40 3.337 24.50 3.611 25.45 4.192 26.95 4.322 27.40 4.478 27.90 4.604 28.40 4.784 29.05 4.878 29.35 4.981 29.90 5.232 31.30 5.875 35.10 6.122 36.85 6.256 37.85 6.554 38.70 6.919 41.00 7.072 41.80 7.406 43.15 7.533 44.40 7.618 44.95 8.027 49.95 8.631 53.72 8.945 56.75 9.142 58.00 9.218 58.90 9.482 60.60 9.543 61.95 9.639 62.40 10.022 67.13 10.548 73.01 10.693 75.27 10.991 81.74 11.373 93.65 11.988 116.77 12.636 134.68 12.929 148.04 13.252 160.48 14.070 189.45 14.950 219.98 15.830 258.05 17.060 308.30