Table 2 Sample dose rate and Optically Stimulated Luminescence dating results for the Shuangyu slackwater deposit.

From: Geomorphic effects of recurrent outburst superfloods in the Yigong River on the southeastern margin of Tibet

Sample

Depth (m)

K (%)

Th (10–6)

U (10–6)

Dosage rate (Gy/ka)

Number of test pieces

De/Gy

OSL age (ka)

SO1

2.3

3.07 ± 0.04

14.24 ± 0.70

2.44 ± 0.40

3.88 ± 0.28

8a + 12b

71.6 ± 4.21

18.5 ± 1.7

SO2

–

–

–

–

–

–

–

–

SO3

3.4

3.22 ± 0.04

22.97 ± 0.80

1.74 ± 0.30

4.61 ± 0.34

8a + 12b

35.1 ± 1.83

7.6 ± 0.7

SO4

3.9

2.36 ± 0.04

25.96 ± 0.80

1.46 ± 0.30

4.16 ± 0.30

8a + 12b

63.8 ± 3.83

15.3 ± 1.4

  1. aNumber of test pieces using the Single Aliquot Regenerative-dose method.
  2. bNumber of test pieces using the Standardized Growth Curve method.
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