Table 1 Gallium isotopic composition and element concentration of the lunar samples.

n = number of isotopic measurements.

Sample typeSample no.δ71Ga (‰)2 SDnGa (ppm)Ga (ppm)*
Mg-suite
  Cataclastic norite772150.160.0511.5
Regolith
  Soil782211.160.0512.1
Pyroclastic glass
  Green glass15426−0.350.0511.34.7
FANs
  Anorthosite (with melt)62255−0.470.0510.5
  Cataclastic anorthosite600150.170.0511.4
  Ferroan anorthosite154150.850.0511.13.1
  Noritic anorthosite679550.200.0511.93.5–4.2
Low-Ti basalts
  Basalt (low Ti)154990.090.0523.23
  Olivine basalt120120.320.0221.1
  Olivine basalt120400.150.0531.41.9
  Mare basalt (Al-rich)14053−0.170.0510.82.5–4.8
High-Ti basalts
  Basalt (high Ti)700170.150.0132.53.1–21
  Basalt (high Ti)100030.350.0621.74.0–4.7
  Basalt (high Ti)701350.570.0222.57–16
  Ilmenite basalt (high K)10057−0.030.0364.8
  Ilmenite basalt (high Mg/Fe)120050.220.0131.1
BSE0.000.053.9§

*Data from Meyer (47).

†Used the 2 SD estimated from Kato et al. (26).

‡Data from Kato et al. (26).

§Data from McDonough (48).