Table 1 Optically Stimulated Luminescence (OSL) ages on quartz grains sampled in the Mogod trenchsite.
From: 25,000 Years long seismic cycle in a slow deforming continental region of Mongolia
Field number | Lab number | Aliquots | Grain size (μm) | Finite mixture De (Gy) | Minimum age model De (Gy) | Over-dispersion (%) | U (ppm) | Th (ppm) | K (%) | Cosmic dose rate (mGray/year) | Dose rate (mGray/year) | Finite mixture OSL age (year) | Minimum age Model OSL age (year) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MO17-OSL1 | BG4574 | 5/50/60 | 250–150 | 146.12 ± 13.04 | 146.12 ± 13.04 | 37 ± 4 | 3.34 ± 0.01 | 6.98 ± 0.01 | 1.71 ± 0.01 | 0.22 ± 0.02 | 3.00 ± 0.06 | 48,650 ± 4310 | 49,660 ± 5135 |
MO17-OSL2 | BG4579 | 11/36/40 | 250–150 | 156.90 ± 12.61 | 168.29 ± 6.41 | 31 ± 4 | 2.89 ± 0.01 | 6.98 ± 0.01 | 1.69 ± 0.01 | 0.22 ± 0.02 | 2.89 ± 0.15 | 54,370 ± 5195 | 58,270 ± 2810 |
MO17-OSL3 | BG4576 | 20/23 | 150–100 | > 250 | NA | 2.11 ± 0.01 | 9.11 ± 0.01 | 1.87 ± 0.01 | 0.22 ± 0.02 | 3.08 ± 0.15 | > 81 ka | ||
MO17-OSL4 | BG4578 | 36/40 | 250–150 | > 195 | 31 ± 4 | 1.37 ± 0.01 | 5.29 ± 0.01 | 2.40 ± 0.01 | 0.22 ± 0.02 | 3.02 ± 0.15 | > 65 ka | ||
MO17-OSL5 | BG4575 | 6/31/31 | 250–150 | 149.22 ± 13.60 | 143.64 ± 17.64 | 31 ± 4 | 1.97 ± 0.01 | 6.18 ± 0.01 | 1.62 ± 0.01 | 0.25 ± 0.02 | 2.59 ± 0.14 | 57,500 ± 5370 | 55,360 ± 6780 |
MO17-OSL6 | BG4573 | 6/47/51 | 250–150 | 39.50 ± 1.60 | 41.37 ± 4.29 | 61 ± 6 | 2.14 ± 0.01 | 5.04 ± 0.01 | 1.45 ± 0.01 | 0.25 ± 0.02 | 2.40 ± 0.06 | 16,440 ± 780 | 17,215 ± 1835 |
MO17-OSL7 | BG4577 | 8/37/40 | 250–150 | 56.83 ± 2.21 | 50.45 ± 4.79 | 39 ± 5 | 2.41 ± 0.01 | 6.51 ± 0.01 | 1.73 ± 0.01 | 0.30 ± 0.03 | 2.84 ± 0.14 | 19,970 ± 885 | 17,760 ± 1695 |