Mechanisms leading to exceptional niobium concentration during lateritic weathering: the key role of secondary oxides

<p>This dataset supports the publication entitled: &#39;Mechanisms leading to exceptional niobium concentration during lateritic weathering: the key role of secondary oxides&#39; submitted to <em>Chemical Geology</em> journal.</p> <p>Data include:</p> <p>- EPMA data: &#39;Fe_ox_EPMA&#39;, ...</p> <p>- XRD data: &#39;SL_02.dat&#39;, ...</p> <p>- XAS data on bulk samples &#39;XAS_SL_12_meascan3&#39;...</p> <p>- EXAFS data: &#39;EXAFS_nbbrookite_R_space.csv&#39;, ...</p> <p><strong>SL02: Fragmented laterite/SL04: Fragmented laterite/SL12: Upper purple laterite/SL14: manganiferous laterite/SL23: lower purple laterite/SL31: brown laterite/SL_CARB: Core siderite carbonatite</strong></p>