Phosphatization of basaltic rocks from Sal Island, Cape Verde Archipelago: A microtopochemical approach using synchrotron radiation X-ray fluorescence M.O. Figueiredo, T. Pereira da Silva, J.P. Veiga et P. ChevallierJ. Phys. IV France, 104 (2003) 399-402DOI: https://doi.org/10.1051/jp4:20030108