• The Valborraz tungsten mine: Description of a potential source of arsenic pollution 

      Cárdenes, V. (Universidade da CoruñaInstituto Universitario de Xeoloxía Isidro Parga Pondal, 2013)
      [Abstract] Soil contamination levels were studied in the land affected by an abandoned tungsten mine in Valdeorras (NW Spain). The mine worked mainly in the first half of the twentieth century, and it was definitely closed ...