sealevel,mean_age,2 sigma,var -21.4,8.33,0.017,0.000289 -24.7,8.936,0.022,0.000484 -25.4,8.934,0.03,0.0009 -28.6,9.155,0.018,0.000324 -33.3,9.618,0.023,0.000529 -33.6,9.922,0.021,0.000441 -36.5,9.941,0.033,0.001089 -42.8,10.808,0.024,0.000576 -56.9,11.392,0.022,0.000484 -58.2,11.512,0.017,0.000289 -61.5,12.002,0.025,0.000625 -61.9,12.17,0.015,0.000225 -61.8,12.203,0.038,0.001444 -68.2,12.993,0.017,0.000289 -73.7,13.555,0.019,0.000361 -74,13.574,0.026,0.000676 -74.2,13.578,0.026,0.000676 -74.5,13.632,0.016,0.000256 -93.5,14.082,0.028,0.000784 -95.6,14.255,0.02,0.0004 -94.4,14.295,0.029,0.000841 -97.5,14.396,0.018,0.000324 -97.4,14.408,0.02,0.0004 -96.3,14.573,0.015,0.000225 -98.9,14.539,0.023,0.000529 -112.2,18.176,0.056,0.003136 -111.4,18.116,0.037,0.001369 -112.2,18.218,0.044,0.001936 -112,18.174,0.033,0.001089 -107.9,18.408,0.026,0.000676 -115.5,18.716,0.028,0.000784 -115.7,18.806,0.033,0.001089 -120.3,19.075,0.055,0.003025 -108.3,19.392,0.039,0.001521 -109.9,19.518,0.033,0.001089