The Tiber Valley (Valle del Tevere (Italian))is the largest geographical part of the Tiber basin[1] of the Tiber river included in the Emilia-Romagna, Tuscany, Umbria, and the Lazio regions; it is characterized by river terraces and floodplain areas that extend from the Apennine belt up to the delta of the Tiber river in the Lazio coast of the Tyrrhenian Sea.
| Tiber Valley | |
|---|---|
 Tiber Valley, Campo Rampone, archaeological area of Poggio Sommavilla | |
| Naming | |
| Native name | Valle del Tevere (Italian) |
| Geography | |
| Country | Italy |
| State/Province | Emilia-Romagna, Tuscany, Umbria, Lazio |
| Coordinates | 42°08′00″N 12°35′00″E / 42.133333°N 12.583333°E |
| River | Tiber |
Geology edit
The Tiber basin is made up of four main morpho-structural environments:[2]
- the upper Tiber basin, composed mainly of terrigenous sediment in flysch facies of Tuscan origin (on the right bank north of Lake Trasimeno) and Umbria-Marche (on the left bank)
- the Apennine carbonate ridge, which occupies the eastern and southern sector, made up of carbonate reliefs;
- the Tiber graben with its marine to continental facies deposits, the intermountain basins;
- the volcanic systems of the Volsini Mountains, Cimini, Sabatini and Alban Hills, which occupy the southwestern sector.
- Paleotevere Graben[3]
- Paglia-Tevere Graben[4]
- Tiber Graben (Chiana Valley)[5][6]
References edit
- ^ "Information on the basin" (in Italian). Autorità di Bacino del fiume Tevere.
- ^ "Autorita' Bacino del Tevere: LINEAMENTI GEOLOGICI DEL BACINO DEL TEVERE" (PDF) (in Italian).
- ^ "PaleoTevere" (in Italian). Retrieved 2 January 2022.
- ^ "Il Pliocene e il quaternario della Media valle del Tevere" (PDF) (in Italian).
- ^ "BACINO DEL TEVERE (Graben del Tevere, valle del Chiani) pag 189" (in Italian).
- ^ "LINEAMENTI GEOLOGICI DEL BACINO DEL TEVERE" (PDF) (in Italian).
External links edit
Media related to Tibery Valley at Wikimedia Commons
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