## 4 Results and Discussion
### Geochemical Variability of the Laterite Profile
#### 4.2.2 Limonite
\begin{table}
\begin{tabular}{c c c c c c c c c c c c} \hline \hline
**Minerals** & **Spot** & **SiO\({}_{2}\)** & **MgO** & **Al\({}_{2}\)O\({}_{3}\)** & **FeO** & **Fe\({}_{2}\)O\({}_{3}\)** & **NiO** & **CoO** & **Cr\({}_{2}\)O\({}_{3}\)** & **MnO** & **CaO** & **Total** \\ \hline \multirow{10}{*}{Goethite} & DB-10/4 & 12.79 & 0.94 & 1.42 & 65.80 & - & 5.78 & 0.13 & 1.24 & 0.90 & 0.05 & 89.09 \\  & DB-10/7 & 13.76 & 1.18 & 1.64 & 65.45 & - & 5.66 & 0.13 & 1.99 & 0.52 & 0.14 & 90.47 \\  & DB-14/23 & 13.05 & 0.92 & 1.58 & 66.42 & - & 5.52 & 0.11 & 1.52 & 0.23 & 0.04 & 89.39 \\  & DB-14/28 & 24.17 & 3.63 & 1.47 & 55.47 & - & 4.70 & 0.10 & 1.36 & 0.33 & 0.21 & 91.42 \\  & DB-17/63 & 12.68 & 1.24 & 1.48 & 58.71 & - & 4.60 & 0.05 & 1.46 & 0.18 & 0.03 & 80.45 \\  & DB-17/78 & 15.07 & 1.65 & 1.32 & 62.93 & - & 5.92 & 0.10 & 1.76 & 0.03 & 0.10 & 88.88 \\  & DB-20/12 & 11.92 & 1.52 & 1.23 & 66.23 & - & 5.30 & 0.10 & 1.76 & 0.26 & 0.06 & 88.39 \\  & DB-20/13 & 13.63 & 1.83 & 1.41 & 63.36 & - & 4.89 & 0.12 & 1.87 & 0.65 & 0.10 & 87.86 \\  & DB-20/14 & 15.32 & 1.24 & 1.47 & 66.78 & - & 5.01 & 0.10 & 1.45 & 0.25 & 0.09 & 91.71 \\  & DB-24/2 & 11.67 & 2.08 & 1.30 & 65.32 & - & 5.76 & 0.09 & 1.58 & 0.37 & 0.05 & 88.24 \\  & DB-24/3 & 12.73 & 1.43 & 1.38 & 64.58 & - & 5.78 & 0.10 & 1.70 & 0.41 & 0.12 & 88.25 \\  & DB-24/4 & 12.54 & 1.21 & 1.36 & 66.21 & - & 4.90 & 0.06 & 1.62 & 0.21 & 0.04 & 88.16 \\  & DB-24/5 & 13.45 & 1.97 & 1.42 & 65.17 & - & 5.57 & 0.08 & 1.52 & 0.33 & 0.03 & 89.54 \\ \hline \multirow{10}{*}{Hematite} & DB-24/88 & 2.16 & 0.36 & 1.27 & - & 93.53 & 0.47 & 0.80 & 0.12 & 0.91 & 0.05 & 99.67 \\  & DB-24/89 & 2.71 & 0.40 & 1.03 & - & 92.02 & 0.31 & 0.72 & 0.10 & 0.52 & 0.02 & 97.83 \\  & DB-24/90 & 2.82 & 0.38 & 1.47 & - & 92.00 & 0.30 & 0.68 & 0.10 & 0.60 & 0.04 & 98.40 \\  & DB-24/92 & 2.63 & 0.35 & 1.21 & - & 92.45 & 0.42 & 0.78 & 0.12 & 0.65 & 0.03 & 98.65 \\ \hline \multirow{10}{*}{Magnetic} & DB-10/54 & 0.76 & 1.36 & 0.00 & 26.33 & 67.77 & 0.07 & 0.18 & 0.00 & 1.72 & 0.00 & 98.19 \\  & DB-10/55 & 1.08 & 0.75 & 0.00 & 27.90 & 67.92 & 0.02 & 0.04 & 0.03 & 1.32 & 0.00 & 99.03 \\ \cline{1-1}  & DB-14/45 & 0.43 & 0.80 & 0.00 & 28.79 & 68.24 & 0.03 & 0.17 & 0.01 & 0.49 & 0.00 & 98.93 \\ \cline{1-1}  & DB-14/46 & 1.40 & 0.76 & 0.00 & 27.37 & 66.83 & 0.09 & 0.06 & 0.00 & 1.35 & 0.00 & 97.85 \\ \cline{1-1}  & DB-17/12 & 1.35 & 0.79 & 0.00 & 27.58 & 67.38 & 0.00 & 0.18 & 0.00 & 1.32 & 0.00 & 98.61 \\ \cline{1-1}  & DB-17/13 & 1.96 & 0.82 & 0.00 & 28.40 & 68.14 & 0.00 & 0.02 & 0.27 & 0.96 & 0.00 & 100.61 \\ \cline{1-1}  & DB-20/72 & 1.84 & 0.92 & 0.00 & 28.20 & 68.57 & 0.00 & 0.01 & 0.08 & 1.05 & 0.00 & 100.69 \\ \cline{1-1}  & DB-20/73 & 1.95 & 0.72 & 0.00 & 28.12 & 67.71 & 0.00 & 0.09 & 0.03 & 1.07 & 0.00 & 99.68 \\ \cline{1-1}  & DB-20/74 & 0.89 & 1.28 & 0.00 & 26.53 & 67.50 & 0.05 & 0.06 & 0.00 & 1.60 & 0.00 & 97.94 \\ \cline{1-1}  & DB-24/82 & 1.19 & 0.95 & 0.00 & 27.05 & 65.54 & 0.31 & 0.13 & 0.01 & 0.74 & 0.00 & 95.91 \\ \cline{1-1}  & DB-24/83 & 0.52 & 1.10 & 0.00 & 26.82 & 66.32 & 0.17 & 0.09 & 0.02 & 1.09 & 0.00 & 96.16 \\ \cline{1-1}  & DB-24/84 & 1.76 & 2.02 & 0.00 & 24.93 & 66.55 & 0.20 & 0.03 & 0.01 & 1.44 & 0.00 & 96.97 \\ \cline{1-1}  & DB-24/85 & 0.28 & 0.67 & 0.00 & 28.07 & 66.76 & 0.11 & 0.19 & 0.01 & 0.78 & 0.00 & 96.87 \\ \hline \hline \end{tabular}
\end{table} 
Table 5: Chemical composition (wt%) of goethite, hematite, and magnetite from the limonite horizons for selected boreholes.