TY - JOUR AU - Maurice Mattauer TI - Orthogneisses in the deepest levels of the Variscan belt are not a Precambrian basement but Ordovician granites: tectonic consequences JO - Comptes Rendus. GĂ©oscience PY - 2004 SP - 487 EP - 489 VL - 336 IS - 6 PB - Elsevier DO - 10.1016/j.crte.2004.03.001 LA - en ID - CRGEOS_2004__336_6_487_0 ER -