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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 1 Results of 137Cs and excess 210Pb measurements

From: Re-examination of the age of historical and paleo-tsunami deposits at Koyadori on the Sanriku Coast, Northeast Japan

210Pb

137Cs

Sample no.

Depth (cm)

Weight (g)

210Pb (excess) (dpm/g)

Sample no.

Depth (cm)

137Cs (dpm/g)

1

10–20

2.00

3.76 ± 0.39

1

10–20

0.60 ± 0.05

2

20–25

2.00

1.66 ± 0.33

2

20–25

0.42 ± 0.05

3

38–44

1.99

0.85 ± 0.42

3

38–44

ND

4

44–50

2.01

ND

4

44–50

ND

5

58–63

1.99

ND

5

58–63

ND

6

63–68

2.00

0.42 ± 0.44

6

63–68

ND

  1. ND not detected