Table 3. Analytical Results of 36Cl Geochronology. Sample Location, Latitude/Longitude Elevation, m Topographic Shielding Factor Depth, m 36Cl/Cl Cl, ppm Radiogenic 36Cl, 1018 atoms g-1 Cosmogenic 36Cl, 105 atoms g-1 DV-14b 36degrees52.44/117degrees15.52 376 0.999 0.25 642 +/- 12 77.79 1.32 8.5 +/- 0.16 DV-14c - - 0.999 0.49 650 +/- 12 93.80 1.59 10.0 +/- 1.9 DV-14d - - 0.999 0.76 660 +/- 13 79.77 1.35 8.9 +/- 0.17 DV-14e - - 0.999 1.15 621 +/- 21 95.67 1.62 9.8 +/- 0.4 DV-14g - - 0.999 2.20 434 +/- 15 67.14 1.14 5.0 +/- 0.17 DV-15a 36degrees52.34/117degrees15.34 366 0.999 0.20 682 +/- 20 104.00 1.77 12.0 +/- 3.5 DV-15b - - 0.999 0.55 587 +/- 22 86.46 1.47 8.4 +/- 0.31 DV-15c - - 0.999 0.86 613 +/- 23 57.95 0.98 5.9 +/- 0.22 DV-15d - - 0.999 1.25 404 +/- 13 78.96 1.34 5.3 +/- 0.17 DV-15e - - 0.999 1.98 412 +/- 12 102.24 1.74 7.0 +/- 0.21 NRWF-0 36degrees54.65/117degrees17.67 488 0.999 0.05 1740 +/- 70 25.52 0.43 7.5 +/- 0.30 NRWF-15 - - 0.999 0.15 1190 +/- 29 49.19 0.84 9.9 +/- 0.24 NRWF-35 - - 0.999 0.40 1110 +/- 83 44.94 0.76 8.4 +/- 0.63 NRWF-70 - - 0.999 0.75 896 +/- 34 55.43 0.94 8.3 +/- 0.32 NRWF-120 - - 0.999 1.25 317 +/- 150 31.47 0.53 1.6 +/- 0.80 NRWF-180 - - 0.999 1.85 883 +/- 40 30.98 0.53 4.6 +/- 0.21