Sample Analysis pmol He Th/U raw date (Ma) 1s ± date (Ma) Ft 238U Ft 235U Ft 232Th Ft 147Sm Rs (um) mass ap (g) corr date (Ma) 1s ± date (Ma) ppm eU w/ Sm (Ca) ppm U (Ca) ppm Th (Ca) ppm Sm (Ca) nmol 4He/g (Ca)
LM8B_Ap1 0.00502 0.41 29.54 0.55 0.690 0.649 0.649 0.899 45.29 2.15E-06 41.75 0.75 19.0 12.04 4.76 1235.88 2.3375
LM8B_Ap2 0.00235 0.15 28.83 0.45 0.718 0.680 0.680 0.909 50.36 2.38E-06 38.54 0.58 9.4 5.11 0.76 867.47 0.9861
LM8B_Ap3 0.00259 0.07 27.25 0.36 0.766 0.733 0.733 0.925 61.44 4.22E-06 34.12 0.44 6.7 3.23 0.21 733.75 0.6129
LM8B_Ap4 0.00077 0.12 20.78 0.48 0.650 0.604 0.604 0.886 39.57 1.23E-06 30.22 0.68 8.3 4.50 0.54 771.82 0.6231
LM8B_Ap5 0.00209 0.10 28.18 0.39 0.703 0.663 0.663 0.904 47.41 2.10E-06 38.07 0.52 10.2 5.17 0.49 1052.47 0.9977
SE5-1_Ap1 0.00625 0.33 25.67 0.36 0.692 0.651 0.651 0.900 45.65 2.54E-06 37.19 0.52 18.2 16.42 5.21 124.33 2.4664
SE5-1_Ap2 0.00542 0.52 34.23 0.44 0.657 0.612 0.612 0.888 40.43 1.70E-06 52.40 0.68 17.6 15.25 7.67 118.19 3.1828
SE5-1_Ap3 0.00842 0.36 13.01 0.17 0.754 0.720 0.720 0.921 58.35 4.45E-06 17.33 0.23 27.0 24.84 8.83 16.05 1.8903
SE5-1_Ap4 0.00518 0.19 18.65 0.26 0.709 0.669 0.669 0.906 48.49 1.98E-06 26.38 0.37 26.3 24.84 4.50 90.75 2.6167
SE5-1_Ap5 0.00131 0.26 10.01 0.15 0.700 0.660 0.660 0.903 47.04 2.06E-06 14.32 0.21 12.1 10.95 2.80 101.53 0.6332