Origin of fracturing in hard‐rock aquifers: what are the factors controlling the properties of the fractured layer?

  • Robert Wyns BRGM, Georesources Division, BP 36009-45060 orléans cedex 2, France
  • Benoît Dewandel BRGM, Water Environment & Ecotechnologies Division, 1039 rue de Pinville-F-34000 Montpellier, France
  • Patrick Lachssagne Water Institute by Evian, Evian-Volvic World, Danone Waters, F-74500 Evian-les-Bains, France


Hardrock aquifers, weathering, ferralitic duricrust, saprolite,, laminated layer, fractured layer.