Basque relief unitsVersión en línea Students should identify the main structural relief units of the Basque Autonomous Community. This exercise is advisable for preparing Selectivity exam. por Maite Fresnillo Beneitez 1 Five Cities massif 2 Five Cities massif`s Mesozoic coating 3 Lekeitio-Tolosa allochthonous frame 4 Biscayan syncline 5 Biscayan anticline 6 Araban shelf 7 Miranda-Treviño-Urbasa syncline 8 Ebro's depression