http://www.cnr.it/ontology/cnr/individuo/prodotto/ID290344
Crustal shortening and duplication of the Moho in the northern Apennines: A view from seismic refraction data (Articolo in rivista)
- Type
- Label
- Crustal shortening and duplication of the Moho in the northern Apennines: A view from seismic refraction data (Articolo in rivista) (literal)
- Anno
- 1995-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/0040-1951(95)00093-3 (literal)
- Alternative label
Ponziani 1-2, F; DeFranco, R 2; Minelli, G 1; Biella, G 2; Federico, C 1; Pialli, G 1 (1995)
Crustal shortening and duplication of the Moho in the northern Apennines: A view from seismic refraction data
in Tectonophysics (Amst. Online)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ponziani 1-2, F; DeFranco, R 2; Minelli, G 1; Biella, G 2; Federico, C 1; Pialli, G 1 (literal)
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1 Dip. Scienze della Terra Università di Perugia Italy
2 Consiglio Nazionale delle Ricerche (CNR), Italy (literal)
- Titolo
- Crustal shortening and duplication of the Moho in the northern Apennines: A view from seismic refraction data (literal)
- Abstract
- A reappraisal of the DSS refraction seismic campaigns of 1978 and 1974 in the Northern Apennines and the northern Tyrrhenian Sea, after digitization of the original analog data, and a new interpretation of crustal structures are presented in this paper. The layering of the Adria crust consists of a low-velocity lower crust topped by a 6.7 km/s horizon and an upper crust again formed by a low-velocity layer capped by a faster one. In the Tuscany sector the crust-mantle boundary and lower crust show attenuated velocities and a reduced thickness with respect to the Adriatic counterpart. These differences are due to the extensional tectonics, restricted to Tuscany and occurred in a high heat flow regime related to an uplifting astenosphere. (literal)
- It has been confirmed that a deep thrust is responsible for Moho doubling in correspondence with the zero-Bouguer anomaly line: the Tuscan Moho overlaps the Umbro-Marchean one for a length of about 30 km. It is hypothesized that another shallower thrust involves upper crust in the Mid-Tuscany Range, Mt. Cetona and Perugia Massifs had their roots in the mantle and that subsequent extensional tectonics obliterated every trace of thrusting in lower crust and mantle rocks. (literal)
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