Table 3.
The results of radiocarbon dating of wooden shields excavated from Wolseong site
Sample
Analysis
Institute
14
C date (BP
*
)
Δ
13
C(‰)
Calibrated dates
(AD, 95.4% C.I.
**
)
Remark
1
BETA
1630±30
-23.1
382~541 (95.4%)
Cross check
Paleo Labo
1665±19
-26.18
262~274 ( 4.1%)
348~428 (91.3%)
2
Paleo Labo
1671±14
-24.10
264~273 ( 3.2%)
354~420 (92.3%)
1: Wooden shield with handle
2: Wooden shield without handle
BP: before present, the year from A.D. 1950
C.I.: confidence interval