These are some of the cone, often with well-preserved craters and accumulations of loose products. Like Flegreyskim fields in Naples, these volcanoes were in most cases only one eruption, a large part of them was formed, apparently, recently. Only those of the cones, which lost its crater, acting probably at the same time with large volcanoes, and should be referred to the Tertiary period. But in any case the vast majority of them were formed at a later time, and we even have unequivocal evidence that the person was a witness of their eruptions: among the volcanic breccia covered with slag recent origin in Mont Denis in Vivare found human bones with the remains of elephants, rhinos and hyenas. According to one rather questionable messages around Vien erupts in the Middle Ages. Previous Page | Page 2 of 2
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