Table 1. Gallium isotopic composition and element concentration of the lunar samples.
n = number of isotopic measurements.
| Sample type | Sample no. | δ71Ga (‰) | 2 SD | n | Ga (ppm) | Ga (ppm)* |
| Mg-suite | ||||||
| Cataclastic norite | 77215 | 0.16 | 0.05† | 1 | 1.5 | — |
| Regolith | ||||||
| Soil | 78221 | 1.16 | 0.05† | 1 | 2.1 | — |
| Pyroclastic glass | ||||||
| Green glass | 15426 | −0.35 | 0.05† | 1 | 1.3 | 4.7 |
| FANs | ||||||
| Anorthosite (with melt) | 62255 | −0.47 | 0.05† | 1 | 0.5 | — |
| Cataclastic anorthosite | 60015 | 0.17 | 0.05† | 1 | 1.4 | — |
| Ferroan anorthosite | 15415 | 0.85 | 0.05† | 1 | 1.1 | 3.1 |
| Noritic anorthosite | 67955 | 0.20 | 0.05† | 1 | 1.9 | 3.5–4.2 |
| Low-Ti basalts | ||||||
| Basalt (low Ti) | 15499 | 0.09 | 0.05 | 2 | 3.2 | 3 |
| Olivine basalt | 12012 | 0.32 | 0.02 | 2 | 1.1 | — |
| Olivine basalt | 12040 | 0.15 | 0.05 | 3 | 1.4 | 1.9 |
| Mare basalt (Al-rich) | 14053 | −0.17 | 0.05† | 1 | 0.8 | 2.5–4.8 |
| High-Ti basalts | ||||||
| Basalt (high Ti) | 70017 | 0.15 | 0.01 | 3 | 2.5 | 3.1–21 |
| Basalt (high Ti) | 10003 | 0.35 | 0.06 | 2 | 1.7 | 4.0–4.7 |
| Basalt (high Ti) | 70135 | 0.57 | 0.02 | 2 | 2.5 | 7–16 |
| Ilmenite basalt (high K) | 10057 | −0.03 | 0.03 | 6 | — | 4.8 |
| Ilmenite basalt (high Mg/Fe) | 12005 | 0.22 | 0.01 | 3 | 1.1 | — |
| BSE | 0.00‡ | 0.05 | 3.9§ | — |