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Aulla

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Through Deer, Roman Empire and Rome

Geology

In 1977, the Italian geologist Augusto Azzaroli discovered a series of mammal rests with a correlated fauna in the adjacent locality of Olivola. The so-called Olivola Conglomerates dated back to the late Villafranchian age (1.0 to 3.5 million years ago).

In the following year, a first level of continental sedimentary remains was found at a depth of 250 metres, with the following archaic tree species: Taxodium, Sequoia, Magnolia, Symplocos and Sapotaceae. In Europe, these species are usually dated to the pre-Pleistocene (over 2.5 million years ago). Their presence confirmed the hypothesis of a temperate to warm climate.

Deer fossils have also been found in Aulla, from the Procaproleus causanus and Pseudodama pardinensis lyra species which in the Western Europe "are characteristic of the mammal assemblages of the Early [Villafranchian" period (3.5-1.0 Ma). These animal fossils contrast with the oldest and deepest strata of sedimentary deposits and the so-called Olivola Conglomerates. Some researchers supposed they didn't originate in this area, given that fossils referred to the Villafranchian age are relatively common in Italy.

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