Preface.- Part I - CENOZOIC VOLCANISM.- Chapter 1 - Calderas.- Chapter 2 - Composite volcanoes (Stratovolcanoes).- Chapter 3.- Silicic dome complexes.- Chapter 4 - Monogenetic mafic volcanism.- Part II - PALEOZOIC VOLCANISM.- Chapter 1 - Ordovician volcanism in the northern Famatina System.- Chapter 2 - Ordovician volcanism in the Puna.- Chapter 3 - Carboniferous extensional volcanism.- References