Sample area code | 238U | 232Th | 40K | Th/U | K/U | K/Th |
A | 0.47 ± 0.16 | 1.06 ± 0.50 | 0.88 ± 0.15 | 2.64 ± 1.76 | 2.06 ± 0.89 | 1.06 ± 0.67 |
B | 0.55 ± 0.18 | 1.39 ± 0.46 | 1.30 ± 0.27 | 2.52 ± 0.29 | 2.62 ± 1.08 | 1.04 ± 0.44 |
C | 0.49 ± 0.10 | 1.73 ± 0.56 | 1.04 ± 0.22 | 3.67 ± 1.71 | 2.13 ± 0.43 | 0.68 ± 0.35 |
D | 0.55 ± 0.13 | 2.07 ± 0.55 | 0.92 ± 0.24 | 3.84 ± 0.96 | 1.78 ± 0.77 | 0.45 ± 0.14 |
E | 0.55 ± 0.24 | 2.48 ± 1.06 | 0.90 ± 0.38 | 5.06 ± 2.26 | 1.68 ± 0.46 | 0.40 ± 0.21 |
F | 0.72 ± 0.13 | 2.30 ± 1.36 | 1.16 ± 0.38 | 3.06 ± 1.23 | 1.58 ± 0.21 | 0.57 ± 0.20 |
G | 0.63 ± 0.12 | 2.21 ± 0.79 | 1.45 ± 0.32 | 3.74 ± 1.97 | 2.32 ± 0.37 | 0.75 ± 0.35 |
H | 0.64 ± 0.11 | 1.72 ± 0.90 | 0.83 ± 0.17 | 2.69 ± 1.42 | 1.35 ± 0.47 | 0.65 ± 0.45 |
J | 0.51 ± 0.15 | 2.08 ± 0.08 | 0.77 ± 0.29 | 4.33 ± 1.24 | 1.61 ± 0.74 | 0.37 ± 0.13 |
K | 0.79 ± 0.45 | 1.68 ± 0.28 | 0.92 ± 0.32 | 2.46 ± 0.79 | 1.29 ± 0.46 | 0.54 ± 0.12 |
L | 0.48 ± 0.06 | 1.63 ± 0.64 | 1.39 ± 0.13 | 3.53 ± 1.64 | 2.94 ± 0.51 | 0.98 ± 0.44 |
M | 0.46 ± 0.11 | 1.57 ± 0.19 | 1.06 ± 0.08 | 3.50 ± 0.77 | 2.38 ± 0.56 | 0.69 ± 0.15 |
N | 0.50 ± 0.06 | 2.39 ± 1.35 | 0.99 ± 0.37 | 4.71 ± 2.28 | 1.99 ± 0.67 | 0.45 ± 0.13 |
P | 0.49 ± 0.19 | 0.68 ± 0.64 | 1.12 ± 0.23 | 1.19 ± 0.85 | 2.60 ± 1.12 | 1.24 ± 1.23 |
Q | 0.69 ± 0.22 | 2.39 ± 0.91 | 1.30 ± 0.50 | 3.57 ± 0.98 | 1.88 ± 0.33 | 0.58 ± 0.30 |
R | 0.71 ± 0.18 | 1.84 ± 0.69 | 1.27 ± 0.11 | 2.67 ± 0.90 | 1.87 ± 0.35 | 0.77 ± 0.30 |
S | 0.64 ± 0.02 | 1.65 ± 0.40 | 1.05 ± 0.16 | 2.57 ± 0.58 | 1.64 ± 0.25 | 0.67 ± 0.18 |
T | 0.85 ± 0.28 | 2.62 ± 1.45 | 1.36 ± 0.42 | 2.92 ± 1.11 | 1.68 ± 0.56 | 0.64 ± 0.32 |
U | 0.63 ± 0.14 | 2.05 ± 0.79 | 1.22 ± 0.54 | 3.31 ± 1.23 | 1.98 ± 0.82 | 0.62 ± 0.30 |
V | 0.51 ± 0.29 | 2.21 ± 3.08 | 1.41 ± 0.48 | 3.08 ± 2.98 | 2.99 ± 0.73 | 0.68 ± 0.66 |
W | 0.55 ± 0.11 | 1.61 ± 1.05 | 1.44 ± 0.17 | 2.68 ± 1.53 | 2.67 ± 0.61 | 1.94 ± 2.42 |
X | 0.73 ± 0.38 | 2.30 ± 1.47 | 1.21 ± 0.79 | 3.03 ± 0.52 | 2.00 ± 1.72 | 0.64 ± 0.57 |
Y | 0.97 ± 0.23 | 2.29 ± 1.26 | 0.74 ± 0.23 | 2.65 ± 1.67 | 0.84 ± 0.46 | 0.40 ± 0.20 |
Z | 0.69 ± 0.17 | 3.04 ± 0.77 | 1.00 ± 0.11 | 4.56 ± 1.40 | 1.52 ± 0.47 | 0.34 ± 0.09 |
a | 0.45 ± 0.13 | 1.90 ± 0.21 | 1.40 ± 0.46 | 4.42 ± 1.73 | 3.37 ± 1.98 | 0.73 ± 0.16 |
b | 0.45 ± 0.03 | 2.40 ± 1.47 | 1.51 ± 0.18 | 5.46 ± 3.59 | 3.36 ± 0.22 | 0.80 ± 0.57 |
d | 0.33 ± 0.08 | 2.15 ± 1.10 | 1.18 ± 0.37 | 6.35 ± 1.72 | 3.89 ± 2.13 | 0.68 ± 0.52 |
e | 0.55 ± 0.14 | 1.72 ± 0.02 | 1.29 ± 0.26 | 3.24 ± 0.82 | 2.37 ± 0.14 | 0.75 ± 0.15 |
g | 0.47 ± 0.00 | 2.44 ± 0.00 | 1.30 ± 0.00 | 5.23 ± 0.00 | 2.79 ± 0.00 | 0.53 ± 0.00 |
h | 0.69 ± 0.21 | 2.13 ± 0.16 | 1.24 ± 0.14 | 3.17 ± 0.72 | 1.83 ± 0.35 | 0.58 ± 0.02 |
j | 0.50 ± 0.18 | 2.42 ± 0.03 | 1.19 ± 0.10 | 5.27 ± 2.02 | 2.63 ± 1.18 | 0.49 ± 0.04 |
n | 0.62 ± 0.01 | 1.69 ± 0.17 | 1.06 ± 0.10 | 2.75 ± 0.31 | 1.73 ± 0.15 | 0.64 ± 0.13 |
q | 0.52 ± 0.21 | 1.27 ± 0.18 | 0.92 ± 0.04 | 2.57 ± 0.68 | 1.88 ± 0.67 | 0.72 ± 0.07 |
r | 0.40 ± 0.10 | 2.10 ± 0.33 | 1.04 ± 0.03 | 5.53 ± 2.18 | 2.69 ± 0.74 | 0.50 ± 0.06 |
t | 0.71 ± 0.12 | 2.04 ± 0.51 | 0.83 ± 0.41 | 2.97 ± 1.22 | 1.23 ± 0.79 | 0.39 ± 0.10 |
Average | 0.59 ± 0.13 | 1.98 ± 0.47 | 1.13 ± 0.21 | 3.57 ± 1.13 | 2.15 ± 0.67 | 0.68 ± 0.30 |