Table 1 Mixed and observed Hf/W ratios of standard zircons
From: Hf-W dating of zircon in mesosiderite with high-pressure sintered standard
Sample | Mixed | Measured | ||||
|---|---|---|---|---|---|---|
Hf | W | Hf/W | Hf | W | Hf/W | |
(%) | (ppm) | (molar ratio) | (%) | (ppm) | (molar ratio) | |
Std-A | 1.4 | 15 | 933 | 1.43 ± 0.03 | 43 ± 6 | 344 ± 44 |
Std-B | 1.4 | 1500 | 9.06 | 1.53 ± 0.04 | 1520 ± 230 | 9.9 ± 1.5 |