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Iurilli, V.
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Iurilli, V.
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- PublicationRestrictedMiddle-late pleistocene evolution of the adriatic coastline of southern apulia (Italy) in response to relative sea-level changes(2011)
; ; ; ; ; ; ; ; ; ;Mastronuzzi, G.; Dipartimento di Geologia e Geofisica, Università degli Studi “Aldo Moro”, via Orabona 4 - 70125 Bari ;Caputo, R.; Dipartimento di Scienze della Terra, Università di Ferrara ;Di Bucci, D.; Dipartimento della Protezione Civile, Via Vitorchiano, Roma ;Fracassi, U.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Iurilli, V.; Dipartimento di Geologia e Geofisica, Università degli Studi “Aldo Moro”, via Orabona 4 - 70125 Bari ;Milella, M.; Spin Off Universitario Environmental Surveys s.r.l., Taranto ;Pignatelli, C.; Dipartimento di Geologia e Geofisica, Università degli Studi “Aldo Moro”, via Orabona 4 - 70125 Bari ;Sanso, P.; Dipartimento di Scienza dei Materiali, Università del Salento, Lecce ;Selleri, G.; Geo Data Service s.r.l., Taranto; ; ; ; ; ; ; ; The Adriatic coastal area stretching from Monopoli to Brindisi in Apulia is characterised by landforms and marine/coastal deposits of Mid- dle-Upper Pleistocene age. An E-W striking fault system, roughly corre- sponding to the geographic “Soglia Messapica”, is also present. This area shows the effects of different phases of coastal evolution. During the Middle Pleistocene, north of the Soglia Messapica, thin coastal deposits accumulated and abrasion surfaces were cut whereas, to the south, ma- rine sediments were deposited. During the last interglacial period, two thin transgressive beach deposits formed along with a dune belt and backdune deposits. From the geodynamic point of view, facies and elevation of marine and coastal deposits suggest that before 125 ka the region north of the Soglia Messapica was uplifting with a higher rate than the southern one. Afterwards, both areas north and south of the Soglia Messapica showed a similar tectonic behaviour, characterised by stability or, locally, by low subsidence rates. Mesostructural analysis on extensional joints indicates that at least three separate deformational events occurred during the Middle and Late Quaternary. If matched against the uplift rate changes, this structural evolution may be interpreted as due to the shift toward the SE of the peripheral bulge related to the Ionian slab subduction process and to the set up of a different tectonic event in the Late Pleistocene. In the study area such event is essentially characterised by widespread sta- bility, accompanied by the development of joint sets which suggest a doming-like deformation mechanism.377 46 - PublicationRestrictedLate Quaternary deformation of the southern Adriatic foreland (southern Apulia) from mesostructural data: preliminary results(2009)
; ; ; ; ; ; ; ; ; ;Di Bucci, D.; P.C.M. - Dipartimento della Protezione Civile, 00189 Roma ;Coccia, S.; Dipartimento di Geologia e Geofisica, Università di Bari, 70125 Bari ;Fracassi, U.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Iurilli, V.; Dipartimento di Geologia e Geofisica, Università di Bari, 70125 Bari ;Mastronuzzi, G.; Dipartimento di Geologia e Geofisica, Università di Bari, 70125 Bari ;Palmentola, G.; Dipartimento di Geologia e Geofisica, Università di Bari, 70125 Bari ;Sansò, P.; Osservatorio di Fisica, Chimica e Geologia Ambientale, Università di Lecce, 73100 Lecce ;Selleri, G.; Osservatorio di Fisica, Chimica e Geologia Ambientale ;Valensise, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; ; ; ; ; ; ; ; Southern Apulia (Adriatic foreland, Italy), has long been considered a «stable area» lying in between two active orogens, but in fact its tectonic framework is poorly known. To learn more about this topic, we carried out an original structural analysis on Pleistocene deposits. The results indicate that southern Apulia has been affected by mild but discernible brittle deformation throughout the Middle and Late Pleistocene. Joints prevail, whereas faults are rare and all characterized by small displacement. Horizontal extension dominates throughout the entire study area; the SW-NE to SSW-NNE direction is the most widespread. WNW-ESE extension prevails in the Adriatic side portion of the study area, but the dispersion of the measured plane directions is high, suggesting that the local strain field is not characterized by a strongly predominant trend. A Middle and Late Pleistocene, SW-NE to SSW-NNE–oriented maximum extension is not surprising for the study area, as it is compatible with most of the available geodynamic models, whereas the different state of deformation affecting the Adriatic side of the study area requires further investigations. We tentatively interpreted this anomaly as reflecting some regional variation of the general geodynamic frame, for instance as the farthest evidence of ongoing compressional deformation across the W-verging Albanide-Hellenide foldand- thrust belt.209 26 - PublicationOpen AccessEvidence of Apulian crustal structures related to low energy seismicity (Murge - Southern Italy)(2001-10)
; ; ; ; ; ; ; ; ; ;Del Gaudio, V.; Dipartimento di Geologia e Geofisica, Università di Bari, Italy ;Festa, V.; Dipartimento Geomineralogico, Università di Bari, Italy ;Ripa, R. R.; Dipartimento di Geologia e Geofisica, Università di Bari, Italy ;Iurilli, V.; Dipartimento di Geologia e Geofisica, Università di Bari, Italy ;Pierri, P.; Osservatorio Sismologico, Università di Bari, Italy ;Calcagnile, G.; Dipartimento di Geologia e Geofisica, Università di Bari, Italy ;Moretti, M.; Dipartimento di Geologia e Geofisica, Università di Bari, Italy ;Pieri, P.; Dipartimento di Geologia e Geofisica, Università di Bari, Italy ;Tropeano, M.; Dipartimento di Scienze Geologiche, Università della Basilicata, Potenza, Italy; ; ; ; ; ; ; ; The discovery of recent co-seismic sedimentary structures and the detection of low energy seismic activity in the Murgian plateau (Apulia - Southern Italy) motivated a more detailed examination of the tectonics in this part of the Apulian plate commonly believed to be aseismic. In particular, we examined the north-western zone where a seismic sequence with maximum magnitude 3.2 and tensional focal mechanism occurred in 1991. The analysis of the existing gravimetric data, integrated by three new profiles carried out across the epicentral area, disclosed an anomaly possibly due to an old tensional tectonic structure located within the upper crust. Even though the depth and the age hypothesised for the anomaly source would exclude a direct causal connection with the observed seismicity, this structure could be a shallower expression of a tectonic structure extending down to the crystalline basement: it could represent a zone of relative «weakness» where the regional stress, due to the interactions between Apennines and Apulian plate, encounters conditions facilitating the release of seismic energy.175 369