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

  1. See Supplementary Data material for methodology, full description and references.