Multiscale processes controlling niobium mobility during supergene weathering

<p>This metadata file gathers diffraction, spectroscopic and geochemical raw data supporting the manuscript entitled &ldquo;<strong>Multiscale processes controlling niobium mobility during supergene weathering</strong>&ldquo; submitted to <em>Geochimica et Cosmochima Acta</em>.</p> <p><strong>- X-ray diffraction:</strong> &quot;spinner_PIMI_xx.xrdml&quot;. Duricrust: PIMI01, 02. Bauxitic horizon: PIMI03. Lateritic horizon: PIMI04, 05. Clayey mottled zone: PIMI06,07.</p> <p><strong>- X-ray absorption data:</strong></p> <p><strong>1) References: </strong>&quot;XAS_L3/K-EDGE_<em>references</em>&quot;. Raw X-ray absorption spectra of Nb mineralogial references at the Nb L₃- and K-edges.</p> <p><strong>2) Bulk sample of laterite: </strong>&quot;XAS_L3/K-EDGE_<em>pimi_XX</em>&quot;. Raw X-ray absorption spectra of lateritic bulk samples from Pitinga.</p> <p><strong>3) Microanalyses: </strong>&quot;MICRO_XAS_L3_<em>minerals</em>&quot;. Micro-XAS spectra collected on thin sections from Pitinga.</p> <p>- <strong>Bulk chemistry </strong>&quot;geochemistry_pitinga&quot;. Bulk geochemical analyses of Pitinga lateritic regolith.</p>