Mineroquímica dos sulfatos de ferro secundários: uma aproximação ambiental em relação com a mina abandonada de S. Domingos

Abstract

Preliminary results of a minerochemical study by X-ray diffraction and fluorescence spectrometry on geomaterials collected at S. Domingos mining area are reported. The study was undertaken within the scope of a POCTI/MCTES research project focused on environmental implications of acid mine drainage (AMD). A synopsis is presented on the crystal chemistry of secondary iron sulphates as a contribution to a future interpretation of spectral infrared (IR) absorption data.