| Weathered pegmatites in Gatumba | Fresh pegmatites in Gitarama | Biotite-muscovite granite in Gitarama | Amphibolite in Gitarama | ||||||||||
Sample | Gape01 | Gape02 | Gape03 | Gape04 | Gape05 | Gape06 | Gipe07 | Gipe08 | Gipe09 | RG01 | RG02 | RG03 | RGA01 | RGA02 |
La | 6.1 | 1.5 | 2.9 | 1.8 | 2.0 | 1.6 | 10.3 | 12.7 | 10.0 | 110.0 | 108.5 | 120.0 | 6.6 | 6.4 |
Ce | 12.5 | 3.4 | 8.3 | 3.3 | 3.9 | 3.6 | 14.3 | 16.4 | 14.6 | 189.0 | 186.0 | 213 | 8.0 | 7.1 |
Pr | 1.29 | 0.40 | 1.28 | 0.31 | 0.53 | 0.43 | 1.67 | 1.89 | 1.51 | 17.05 | 16.90 | 19.40 | 1.74 | 1.73 |
Nd | 5.3 | 1.8 | 6.6 | 1.1 | 2.4 | 2.1 | 6.8 | 8.0 | 6.1 | 55.8 | 54.1 | 61.5 | 7.4 | 7.7 |
Sm | 0.94 | 0.47 | 1.92 | 0.36 | 0.71 | 0.52 | 1.11 | 1.29 | 1.09 | 6.40 | 6.38 | 6.86 | 1.83 | 1.78 |
Eu | 0.20 | 0.20 | 0.84 | 0.04 | 0.09 | 0.19 | 0.58 | 0.62 | 0.56 | 1.39 | 1.42 | 1.44 | 0.68 | 0.62 |
Gd | 0.61 | 0.48 | 2.33 | 0.75 | 0.38 | 0.54 | 0.97 | 1.13 | 1.10 | 3.80 | 3.81 | 4.25 | 2.00 | 2.17 |
Tb | 0.10 | 0.09 | 0.48 | 0.17 | 0.03 | 0.08 | 0.15 | 0.19 | 0.17 | 0.48 | 0.54 | 0.50 | 0.35 | 0.37 |
Dy | 0.58 | 0.70 | 3.63 | 1.03 | 0.31 | 0.66 | 1.00 | 1.25 | 1.04 | 2.59 | 3.07 | 3.02 | 2.36 | 2.42 |
Ho | 0.09 | 0.15 | 0.98 | 0.18 | 0.07 | 0.14 | 0.21 | 0.25 | 0.21 | 0.53 | 0.55 | 0.63 | 0.52 | 0.48 |
Er | 0.20 | 0.42 | 3.51 | 0.52 | 0.15 | 0.41 | 0.55 | 0.81 | 0.61 | 1.66 | 1.71 | 1.89 | 1.51 | 1.50 |
Tm | 0.02 | 0.08 | 0.66 | 0.08 | 0.02 | 0.06 | 0.11 | 0.12 | 0.11 | 0.25 | 0.27 | 0.28 | 0.24 | 0.24 |
Yb | 0.11 | 0.54 | 5.11 | 0.59 | 0.18 | 0.53 | 0.63 | 0.88 | 0.80 | 1.63 | 1.57 | 1.75 | 1.26 | 1.44 |
Lu | 0.03 | 0.08 | 0.74 | 0.09 | 0.03 | 0.07 | 0.10 | 0.14 | 0.10 | 0.25 | 0.26 | 0.28 | 0.22 | 0.22 |
Y | 1.9 | 4.1 | 33.5 | 7.8 | 1.3 | 3.6 | 6.8 | 8.7 | 7.0 | 16.0 | 16.2 | 17.1 | 13.2 | 13.4 |
∑REE | 29.97 | 14.41 | 72.78 | 18.12 | 12.1 | 14.53 | 45.28 | 54.37 | 45 | 406.83 | 401.28 | 451.9 | 47.91 | 47.57 |