Multiscale processes controlling niobium mobility during supergene weathering

This metadata file gathers diffraction, spectroscopic and geochemical raw data supporting the manuscript entitled “Multiscale processes controlling niobium mobility during supergene weathering“ submitted to Geochimica et Cosmochima Acta. - X-ray diffraction: "spinner_PIMI_xx.xrdml". Duricrust: PIMI01, 02. Bauxitic horizon: PIMI03. Lateritic horizon: PIMI04, 05. Clayey mottled zone: PIMI06,07. - X-ray absorption data: 1) References: "XAS_L3/K-EDGE_references". Raw X-ray absorption spectra of Nb mineralogial references at the Nb L3- and K-edges. 2) Bulk sample of laterite: "XAS_L3/K-EDGE_pimi_XX". Raw X-ray absorption spectra of lateritic bulk samples from Pitinga. 3) Microanalyses: "MICRO_XAS_L3_minerals". Micro-XAS spectra collected on thin sections from Pitinga. - Bulk chemistry "geochemistry_pitinga". Bulk geochemical analyses of Pitinga lateritic regolith.