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First results from the CROP-11 deep seismic profile, central Apennines, Italy: evidence of mid-crustal folding
Author(s)
Language
English
Status
Published
Peer review journal
Yes
Title of the book
Issue/vol(year)
163
Pages (printed)
583–586
Issued date
2006
Alternative Location
Abstract
The CROP-11 deep seismic profile across the central Apennines, Italy, reveals a previously unknown, mid-crustal antiform here interpreted as a fault-bend fold-like structure. The seismic facies and gravity signature suggest that this structure consists of low-grade metamorphic rocks. Geomorphological, stratigraphic and tectonic evidence in the overlying shallow thrusts suggests that this structure developed in early to mid-Messinian time and grew out of sequence in late Messinian–
Pliocene time. The out-of-sequence growth may reflect a taper subcriticality stage of the Apenninic thrust wedge, which
induced renewed contraction in the rear.
Pliocene time. The out-of-sequence growth may reflect a taper subcriticality stage of the Apenninic thrust wedge, which
induced renewed contraction in the rear.
References
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Scrocca, D., Carminati, E. & Doglioni, C. 2005. Deep structure of the southern
Apennines, Italy: thin-skinned or thick-skinned? Tectonics, 24, TC3005,
doi:10.1029/2004TC001634.
Suppe, J. 1983. Geometry and kinematics of fault-bend folding. American Journal
of Science, 283, 648–721.
Tiberti, M.M., Orlando, L., Di Bucci, D., Bernabini, M. & Parotto, M. 2005.
Regional gravity anomaly map and crustal model of the Central–Southern
Apennines. Journal of Geodynamics, 40, 73–91.
Tozer, R.S.J., Butler, R.W.H. & Corrado, S. 2002. Comparing thin- and thickskinned
tectonic models of the central Apennines, Italy. In: Bertotti, G.,
Schulmann, K. & Cloetingh, S.A.P.L. (eds) Continental Collision and the
tectono-sedimentary evolution of forelands. European Geophysical Union
Stephan Mueller Special Publication Series, 1, 181–194.
neighbouring areas. Consiglio Nazionale delle Ricerche, Rome.
Cassinis, R., Scarascia, S. & Lozej, A. 2003. The deep crustal structure of Italy
and surrounding areas from seismic refraction data. A new synthesis.
Bollettino della Societa` Geologica Italiana, 122, 365–376.
Cavinato, G.P., Carusi, C., Dall’Asta, M., Miccadei, E. & Piacentini, T.
2002. Sedimentary and tectonic evolution of Plio-Pleistocene alluvial and
lacustrine deposits of Fucino Basin (central Italy). Sedimentary Geology, 148,
29–59.
Cipollari, P. & Cosentino, D. 1995. Miocene unconformities in the central
Apennines: geodynamic significance and sedimentary basin evolution.
Tectonophysics, 252, 375–389.
Ghisetti, F., Barchi, M., Bally, A.W., Moretti, I. & Vezzani, L. 1993.
Conflicting balanced structural sections across the Central Apennines (Italy):
problems and implications. In: Spencer, A.M. (ed.) Generation, Accumulation
and Production of Europe’s Hydrocarbons III. Special Publication of the
European Association of Petroleum Geoscientists, 3, 219–231.
Hill, K.C. & Hayward, A.B. 1988. Structural constraints on the Tertiary plate
tectonic evolution of Italy. Marine and Petroleum Geology, 5, 2–16.
Malinverno, A. & Ryan, W.B.F. 1986. Extension in the Tyrrhenian Sea and
shortening in the Apennines as result of arc migration driven by sinking of
the lithosphere. Tectonics, 5, 227–254.
Pialli, G., Barchi, M. & Minelli, G. (eds) 1998. Results of the CROP 03 deep
seismic reflection profile. Memorie della Societa` Geologica Italiana, 52,
1–647.
Scrocca, D., Carminati, E. & Doglioni, C. 2005. Deep structure of the southern
Apennines, Italy: thin-skinned or thick-skinned? Tectonics, 24, TC3005,
doi:10.1029/2004TC001634.
Suppe, J. 1983. Geometry and kinematics of fault-bend folding. American Journal
of Science, 283, 648–721.
Tiberti, M.M., Orlando, L., Di Bucci, D., Bernabini, M. & Parotto, M. 2005.
Regional gravity anomaly map and crustal model of the Central–Southern
Apennines. Journal of Geodynamics, 40, 73–91.
Tozer, R.S.J., Butler, R.W.H. & Corrado, S. 2002. Comparing thin- and thickskinned
tectonic models of the central Apennines, Italy. In: Bertotti, G.,
Schulmann, K. & Cloetingh, S.A.P.L. (eds) Continental Collision and the
tectono-sedimentary evolution of forelands. European Geophysical Union
Stephan Mueller Special Publication Series, 1, 181–194.
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