LOWER PALEOZOIC ISOPIC ZONES OF NORTHWESTERN MEXICO AS EVIDENCE OF CONTINUITY BETWEEN APPALACHIAN MOUNTAINS AND WEST AMERICAN CORDILLERA - PEIFFERRANGIN, F (UNIV PARIS 06, GEOL STRUCT LAB, F-75230 PARIS 05, FRANCE, 1970)
COM REN HEBD SEAN ACAD SCI SERIE D
Keywords: PALEOZOIC, ISOPIC, MEXICO, MOUNTAINS, AMERICAN, CORDILLERA; MULTIDISCIPLINARIA; GEOLOGIA; ESTRATIGRAFIA