Recent inversion of the Tyrrhenian Basin

Recent inversion of the Tyrrhenian Basin

The Tyrrhenian Basin is a region created by Neogene extensional tectonics related to slab rollback of the east-southeast-migrating Apennine subduction system, commonly believed to be actively underthrusting the Calabrian arc. A compilation of >12,000 km of multichannel seismic profiles, much of t...

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Bibliographic Details
Published in:Geology (Boulder) 2020-02, Vol.48 (2), p.123-127
Main Authors: Zitellini, Nevio, Ranero, César R, Loreto, M. Filomena, Ligi, Marco, Pastore, Marco, D'Oriano, Filippo, Sallares, Valenti, Grevemeyer, Ingo, Moeller, Stefan, Prada, Manel
Format: Article
Language:eng
Subjects:
African Plate
applied (geophysical surveys & methods)
basin analysis
basin inversion
Basins
Cenozoic
compression tectonics
Eurasian Plate
extension tectonics
faults
geophysical methods
geophysical profiles
geophysical surveys
Geophysics
Kinematics
Mapping
Mediterranean Sea
Neogene
plate convergence
plate tectonics
Profiles
Quaternary
Seismic analysis
seismic methods
Seismic profiles
Stress distribution
Structural geology
Subduction
Subduction (geology)
surveys
tectonic elements
Tectonics
Tertiary
Tyrrhenian Basin
West Mediterranean
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Summary:The Tyrrhenian Basin is a region created by Neogene extensional tectonics related to slab rollback of the east-southeast-migrating Apennine subduction system, commonly believed to be actively underthrusting the Calabrian arc. A compilation of >12,000 km of multichannel seismic profiles, much of them recently collected or reprocessed, provided closer scrutiny and the mapping of previously undetected large compressive structures along the Tyrrhenian margin. This new finding suggests that Tyrrhenian Basin extension recently ceased. The ongoing compressional reorganization of the basin indicates a change of the regional stress field in the area, confirming that slab rollback is no longer a driving mechanism for regional kinematics, now dominated by the Africa-Eurasia lithospheric collision.
ISSN:0091-7613
1943-2682