Carboni, Filippo, Brozzetti, Francesco, Mirabella, Francesco, Cruciani, Francesco, Porreca, Massimiliano, Ercoli, Maurizio, Back, Stefan, Barchi, Massimiliano R. (2020) Geological and geophysical study of a thin-skinned tectonic wedge formed during an early collisional stage: the Trasimeno Tectonic Wedge (Northern Apennines, Italy) Geological Magazine, 157 (2) 213-232 doi:10.1017/s001675681900061x
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Geological and geophysical study of a thin-skinned tectonic wedge formed during an early collisional stage: the Trasimeno Tectonic Wedge (Northern Apennines, Italy) | ||
| Journal | Geological Magazine | ||
| Authors | Carboni, Filippo | Author | |
| Brozzetti, Francesco | Author | ||
| Mirabella, Francesco | Author | ||
| Cruciani, Francesco | Author | ||
| Porreca, Massimiliano | Author | ||
| Ercoli, Maurizio | Author | ||
| Back, Stefan | Author | ||
| Barchi, Massimiliano R. | Author | ||
| Year | 2020 (February) | Volume | 157 |
| Issue | 2 | ||
| Publisher | Cambridge University Press (CUP) | ||
| DOI | doi:10.1017/s001675681900061xSearch in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 261504 | Long-form Identifier | mindat:1:5:261504:6 |
| GUID | 0 | ||
| Full Reference | Carboni, Filippo, Brozzetti, Francesco, Mirabella, Francesco, Cruciani, Francesco, Porreca, Massimiliano, Ercoli, Maurizio, Back, Stefan, Barchi, Massimiliano R. (2020) Geological and geophysical study of a thin-skinned tectonic wedge formed during an early collisional stage: the Trasimeno Tectonic Wedge (Northern Apennines, Italy) Geological Magazine, 157 (2) 213-232 doi:10.1017/s001675681900061x | ||
| Plain Text | Carboni, Filippo, Brozzetti, Francesco, Mirabella, Francesco, Cruciani, Francesco, Porreca, Massimiliano, Ercoli, Maurizio, Back, Stefan, Barchi, Massimiliano R. (2020) Geological and geophysical study of a thin-skinned tectonic wedge formed during an early collisional stage: the Trasimeno Tectonic Wedge (Northern Apennines, Italy) Geological Magazine, 157 (2) 213-232 doi:10.1017/s001675681900061x | ||
| In | (2020, February) Geological Magazine Vol. 157 (2) Cambridge University Press (CUP) | ||
| Abstract/Notes | AbstractThe presence of a set of well-known turbidite successions, deposited in progressively E-migrating foredeep basins and subsequently piled up with east vergence, makes the Northern Apennines of Italy paradigmatic of the evolution of deepwater fold-and-thrust belts. This study focuses on the early Apenninic collisional stage, early Miocene in age, which led to the accretion of the turbidites of the Trasimeno Tectonic Wedge (TTW), in the central part of the Northern Apennines. Based on the interpretation of previously unpublished seismic reflection profiles with new surface geology data and tectonic balancing, we present a detailed tectonic reconstruction of the TTW. In the study area, the TTW is characterized by a W-dipping shaly basal décollement located at a depth of 1–5 km. The tectonic wedge is c. 5 km thick at its central-western part and tapers progressively eastwards to c. 1 km. The total shortening, balanced along a 33 km long cross-section, is c. 60 km, including 20 km (40%) of internal imbrication, c. 23 km of horizontal ENE-wards translation along the basal décollement and c. 17 km of passive translation caused by the later shortening of footwall units. Deformation balancing, constrained through upper Aquitanian – upper Burdigalian (c. 21–16 Ma) biostratigraphy, provides an average shortening rate of c. 8.6 mm a–1. Internal shortening of the TTW shows an average shortening rate of c. 4 mm a–1 for this period. | ||
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