## 4 Results
### Geochemistry of the Ildeus Intrusion
Scale in all microphotographs is 20 \(\upmu\)m.  
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline
**Sample** & **001H** & **007H** & **008H** & **036H** & **069F** & **070F** & **074F** & **037F** & **040F** \\ \hline
**Rock Type** & **PI-D** & **PI-D** & **D** & **D** & **PI-D** & **PI-D** & **PI-D** & **Whr** & **Whr** \\ \hline Li (ppm) & 2.09 & 2.09 & 1.13 & 1.80 & 1.72 & 1.17 & 1.13 & 1.18 & 2.40 \\ Sc & 9.21 & 8.74 & 9.91 & 17.96 & 11.18 & 14.14 & 21.41 & 44.36 & 42.12 \\ V & 48.88 & 37.00 & 42.69 & 67.99 & 44.36 & 64.86 & 83.16 & 135.07 & 159.27 \\ Cr & 2406 & 672.4 & 980.9 & 511.6 & 854.5 & 2496 & 2358 & 2675 & 1950 \\ Co & 107.18 & 93.4 & 134.2 & 81.45 & 83.03 & 89.56 & 72.73 & 44.66 & 42.00 \\ Ni & 1489 & 1393 & 1899 & 1291 & 850.98 & 898.4 & 731.12 & 393.1 & 386.0 \\ Cu & 80.01 & 21.16 & 50.58 & 42.42 & 49.67 & 39.74 & 14.07 & 11.10 & 99.47 \\ Zn & 76.57 & 13.13 & 36.78 & 75.31 & 19.29 & 49.83 & 53.95 & 49.10 & 52.62 \\ Cs & 0.08 & 0.01 & 0.03 & 0.08 & 0.11 & 0.10 & 0.21 & 0.07 & 0.05 \\ Rb & 0.65 & 0.29 & 0.46 & 1.22 & 1.11 & 1.25 & 1.25 & 0.65 & 0.69 \\ Ba & 47.16 & 73.30 & 198.1 & 26.03 & 84.31 & 87.85 & 57.65 & 37.60 & 16.63 \\ Sr & 85.36 & 397.8 & 32.15 & 10.95 & 232.75 & 103.75 & 26.20 & 70.48 & 25.53 \\ Zr & 3.04 & 5.15 & 6.38 & 4.27 & 3.27 & 3.10 & 2.61 & 11.16 & 3.77 \\ Y & 3.60 & 3.02 & 4.36 & 2.34 & 1.86 & 2.67 & 2.90 & 10.32 & 9.12 \\ Nb & 1.22 & 0.41 & 0.19 & 0.06 & 0.028 & 0.037 & \(<\)0.001 & 0.28 & 0.24 \\ Ta & 1.47 & 0.54 & 0.14 & 0.075 & 0.093 & 0.065 & 0.023 & 0.42 & 0.32 \\ Hf & 0.12 & 0.16 & 0.20 & 0.15 & 0.12 & 0.13 & 0.13 & 0.61 & 0.31 \\ Th & 0.32 & 0.12 & 0.26 & 0.15 & 0.036 & 0.092 & 0.05 & 0.10 & 0.19 \\ U & 0.068 & 0.085 & 0.22 & \(<\)0.001 & 0.013 & 0.043 & 0.01 & \(<\)0.001 & \(<\)0.001 \\ La & 3.36 & 2.46 & 4.15 & 0.68 & 0.68 & 0.84 & 0.38 & 1.41 & 0.50 \\ Ce & 7.97 & 5.61 & 10.37 & 1.57 & 1.54 & 1.78 & 1.04 & 5.29 & 2.11 \\ Pr & 0.60 & 0.39 & 0.76 & 0.19 & 0.19 & 0.26 & 0.20 & 1.05 & 0.49 \\ Nd & 3.44 & 2.69 & 3.91 & 0.85 & 0.96 & 1.21 & 0.83 & 5.96 & 3.02 \\ Sm & 0.71 & 0.59 & 0.85 & 0.24 & 0.27 & 0.34 & 0.27 & 1.90 & 1.15 \\ Eu & 0.24 & 0.27 & 0.22 & 0.08 & 0.16 & 0.14 & 0.10 & 0.57 & 0.40 \\ Gd & 0.85 & 0.73 & 1.08 & 0.33 & 0.36 & 0.46 & 0.41 & 2.35 & 1.63 \\ Tb & 0.13 & 0.11 & 0.16 & 0.06 & 0.061 & 0.082 & 0.078 & 0.38 & 0.29 \\ Dy & 0.69 & 0.57 & 0.85 & 0.40 & 0.37 & 0.50 & 0.52 & 2.18 & 1.80 \\ Ho & 0.15 & 0.12 & 0.18 & 0.10 & 0.081 & 0.12 & 0.13 & 0.45 & 0.40 \\ Er & 0.40 & 0.33 & 0.49 & 0.30 & 0.23 & 0.34 & 0.38 & 1.19 & 1.11 \\ Tm & 0.059 & 0.048 & 0.071 & 0.05 & 0.038 & 0.053 & 0.063 & 0.17 & 0.17 \\ Yb & 0.36 & 0.30 & 0.44 & 0.35 & 0.12 & 0.13 & 0.13 & 1.00 & 1.06 \\ Lu & 0.060 & 0.048 & 0.072 & 0.06 & 0.093 & 0.065 & 0.023 & 0.15 & 0.17 \\ \hline
**Sample** & **IL-5** & **018H** & **028F** & **044H** & **051S** & **063F** & **013B** & **058F** & **060F** \\ \hline
**Rock Type** & **Web** & **Web** & **Web** & **Web** & **Web** & **Web** & **Pyr** & **Pyr** & **Pyr** \\ \hline SiO\({}_{2}\) (wt.\%) & 48.07 & 50.15 & 51.00 & 46.65 & 47.01 & 48.42 & 46.54 & 47.05 & 46.55 \\ TiO\({}_{2}\) & 0.49 & 0.49 & 0.58 & 0.31 & 0.31 & 0.65 & 1.07 & 0.46 & 0.30 \\ Al\({}_{2}\)O\({}_{3}\) & 5.50 & 6.45 & 6.61 & 5.45 & 7.04 & 4 Most plutonic rocks within Ildeus intrusion, including sample IL-5, carry disseminated sulfide mineralization composed of primary pentlandite, Co-pentlandite, chalcopyrite, Ni-chalcopyrite and bornite along with secondary/metasomatic assemblages including digenite, heazlewoodite, pyrite, Ni-pyrite, sphalerite, Ni-sphalerite, millerite and Cu- Pb sulfide [36]. Other notable mineral phases in the Ildeus intrusion include halides (NaCl),