%0 Journal Article %A Maurice Mattauer %T Orthogneisses in the deepest levels of the Variscan belt are not a Precambrian basement but Ordovician granites: tectonic consequences %J Comptes Rendus. GĂ©oscience %D 2004 %P 487-489 %V 336 %N 6 %I Elsevier %R 10.1016/j.crte.2004.03.001 %G en %F CRGEOS_2004__336_6_487_0