Nicewonger et al., 2018 PNAS Core ID Top Depth (m) Bottom Depth (m) Gas Age (CE) Ethane (pmol mol-1) Ethane Error (pmol mol-1) WDC-05A 167.535 167.685 1561 117.0 18.0 WDC-05A 179.235 179.36 1509 120.2 14.2 WDC-05A 107.89 108.04 1820 92.0 12.1 WDC-05A 199.555 199.705 1418 130.5 14.0 WDC-05A 95.53 95.68 1871 81.8 13.6 WDC-05A 297.9 298.055 994 119.6 17.1 WDC-05A 91.775 91.925 1887 114.8 12.5 WDC-05A 84.79 84.88 1919 131.7 19.8 WDC-05A 83.28 83.43 1925 135.7 16.3 WDC-05A 98.715 98.865 1859 102.1 14.2 WDC-05A 95.53 95.68 1871 95.4 14.6 WDC-05A 91.925 92.075 1887 100.8 14.4 WDC-05A 83.13 83.28 1926 140.8 15.1 WDC-05A 98.715 98.865 1859 98.2 12.5 WDC-05A 148.135 148.285 1643 122.1 9.9 WDC-05A 139.425 139.575 1684 88.8 10.2 WDC-05A 190.86 191.01 1456 117.1 10.0 WDC-05A 116.45 116.6 1782 101.4 10.7 WDC-05A 191.01 191.16 1455 126.9 12.5 WDC-05A 236.16 236.34 1256 115.3 13.2 WDC-05A 255.85 255.99 1175 100.4 18.6