Sample ID |
10Be agea (ka) |
14C ageb (ka) |
36Cl agec (ka) | Mean age (ka) |
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Grub1 | 10.6 ± 0.6 | 9.2 ± 0.5 | | 9.9 ± 0.7 |
Grub2 | 8.3 ± 0.6 | 9.5 ± 0.5 | 10.6 ± 0.8 | 9.5 ± 0.7 |
Grub3 | 10.3 ± 0.7 | 9.8 ± 0.5 | 8.8 ± 0.7 | 9.6 ± 0.4 |
Grub4 | 8.0 ± 0.6 | 7.4 ± 0.4 | 8.9 ± 0.6 | 8.1 ± 0.5 |
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aUsing NENA production rates (Balco et al. 2009). For all nuclides ‘St’ scaling, zero erosion and a rock density of 2.65 g/cm3 are assumed
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bUsing a spallogenic production rate at SLHL of (12.3 ± 0.5) at/g/a (Young et al. 2014)
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cUsing spallogenic production rates at SLHL of (48.8 ± 3.4) at/g/(Ca) (Stone et al. 1996) and (162 ± 24) at/g/a (K) (Evans et al. 1997)