Depositional History of the Pliocene-Pleistocene Adriatic Foredeep (Central Italy) from Surface and Subsurface Data

Ori, G. G.; Serafini, Giuseppe; Visentin, Claudio; Lucchi, Federico; Casnedi, Raffaele; Colalongo, Maria Luisa; Mosna, S.

doi:10.1007/978-3-642-77859-9_19

Cited by 13 publications

(24 citation statements)

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“…These stages probably record an 'open' piggyback depositional phase of the TS evolution, similar to that found by Ori et al (1993) for Early-Middle Pliocene deposits of the Adriatic foredeep. This can be due to the nucleation of blind thrust surfaces below TS during sedimentation coupled with the growth on an anticline-syncline system in front of it (Jamison 1987;McNaught & Mitra 1993), before definitive switching off and transformation of depositional units into tectonic units (see also Boccaletti et al 1990a,b).…”

Section: Discussionmentioning

confidence: 82%

Factors controlling foredeep turbidite deposition: the case of Northern Apennines (Oligocene-Miocene, Italy)

Cibin

Giulio²,

Martelli

et al. 2004

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Three major controlling factors affect turbidite deposition in foredeep basins: tectonics in the source area, tectonics in the belt-basin system, and variations of sea-level (local or global). These factors are expected to have different effects on the volume, grain size, provenance and distribution of clastic sediments during the evolution of the basin. The interplay of these factors is investigated for the latest Oligocene-Middle Miocene Northern Apennines Foredeep turbidite wedges by means of turbidite-system-based lithostratigraphy and field mapping, integrated with nannoplankton biostratigraphy and sedimentary petrography. Almost all recognized turbidite systems, unless tectonically truncated, show an overall stacking pattern formed by a lower sand-rich, thickly bedded stage (depocentre stage) passing upward into mud-rich, thinly bedded stages, eventually grading up to mostly mudstone units (abandonment stage). This rhythmically repeated pattern is interpreted as the result of the abrupt switching on and off of coarse-grained input, coupled with an alternating increase/ decrease of depositional rate recorded in all detected systems. Biostratigraphy makes it possible to distinguish the switching-off of turbidite systems due to depocentre migration (a new system is switched on basinward) from that due to a regional decrease of clastic input. Sandstone petrography records the compositional variation related to tectonically induced source reorganization. In the latest Oligocene-Middle Miocene NAF foredeep wedges, this integrated dataset allows us to recognize: two different phases of source tectonics in the latest Oligocene and the middle Burdigalian; two major episodes of basin tectonics and related depocentre shift in the latest Oligocene and the Langhian, plus a minor middle Aquitanian phase; and three intervals of reduced regional turbidite deposition during the Late Aquitanian, Middle Burdigalian and Early Serravallian, possibly linked to sea-level rises.Foredeep basins commonly comprise turbidite systems that form in topographically confined settings. The inherited or actively developing topography strongly influences the gross geometry of depositional systems and their architecture in terms of stacking pattern and the distribution of coarse materials and related porous bodies, but this is only one of the controlling factors acting on such depositional systems.Deep-sea clastic wedges accumulated in foredeep basins all over the world are a major challenge for petroleum exploration (e.g. Weimer & Link 1991). Thus understanding how the different controlling factors acting on deep-sea foredeep deposition interact in determining the thickness, shape, internal stratigraphy and heterogeneity of foredeep turbidite systems and complexes proves particularly relevant. In many cases, this can be a difficult task because of the real or apparent monotony of many turbidite successions. As a general model, three major controlling factors can be expected to have a role of paramount importance in determining the accumulatio...

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Section: Discussionmentioning

confidence: 82%

Factors controlling foredeep turbidite deposition: the case of Northern Apennines (Oligocene-Miocene, Italy)

Cibin

Giulio²,

Martelli

et al. 2004

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“…In this area the Quaternary evolution shows a reversal in the sense of the vertical movements with respect to the previous Neogene history, with the foredeep of the earlier thrust belt now uplifted (Dufaure et al 1989; Dramis 1992; Kruse & Royden 1994). Geological data and seismic reflection profiles both show that relatively undeformed Quaternary deposits regionally cap and seal earlier anticlines (Ori et al 1993). The Quaternary drainage evolution on the Adriatic side thus seems to have been controlled by regional NE tilting after the end of the main thrusting.…”

Section: Quaternary Regional Upliftmentioning

confidence: 96%

“…However, during the Quaternary the flexural subsidence, compressional deformation and eastward retreat of the subduction hinge all decreased dramatically (Patacca et al 1990; Kruse & Royden 1994; Cinque et al 1993) and the Apennines became dominated by crustal extension and vertical movements. Seismic reflection profiles in the Adriatic Sea show that the Mesozoic‐Cenozoic sequence which is deformed by thrust anticlines is in turn overlain by prograding Quaternary deltaic sequences fed by streams draining the eastern flank of the Apennines, with little evidence of compressional deformation after the Early Pleistocene (Dondi, et al 1985; Ori et al 1993; Argnani et al 1997). This Quaternary depositional pattern marks a dramatic change in subsidence rate and sediment supply from the Pliocene, during which up to 7000 m of sediment accumulated in a flexural trough close to the thrust front (Bigi et al 1992).…”

Section: Geological and Tectonic Setting Of The Apenninesmentioning

confidence: 99%

“…This Quaternary depositional pattern marks a dramatic change in subsidence rate and sediment supply from the Pliocene, during which up to 7000 m of sediment accumulated in a flexural trough close to the thrust front (Bigi et al 1992). The Quaternary evolution thus involves the final infilling and extinction of the Mio‐Pliocene Adriatic foredeep (Ori et al 1993) and a regional NE tilting of the whole Adriatic coastal belt of central Italy (Dufaure, et al 1989; Dramis, 1992; Kruse & Royden 1994). Evidence of present‐day thrusting is contained in weakly deformed and tilted Quaternary deposits (Bigi et al 1997) and moderate compressional seismicity on the NE side of the Northern Apennines (Frepoli & Amato 1997;Selvaggi et al 2001) where intermediate seismicity down to a depth of 90 km may suggest that subduction is still active (Selvaggi & Amato 1992).…”

Section: Geological and Tectonic Setting Of The Apenninesmentioning

confidence: 99%

“…Remnant Neogene‐Pleistocene marine deposits found by Marinelli et al (1993) in the Latium and Tuscany areas on the Tyrrhenian side of the Apennines increase in elevation to the NE, also supporting the suggestion of regional uplift. On the NE side of the Apennines the Adriatic foothills are characterized by a NE‐dipping Pleistocene sequence made up of fine‐grained marine deposits passing upward into sandy and conglomeratic deltaic deposits at the top of the Quaternary sequence (Cantalamessa et al 1986; Ori et al 1993). From the geomorphological point of view the whole Adriatic coastal region of central Italy displays a homogeneous evolution in the Quaternary, characterized by a regional NE tilting that is clearly reflected in the NE‐trending parallel drainage network (Demangeot 1965; Dufaure et al 1989; Dramis 1992).…”

Section: Quaternary Regional Upliftmentioning

confidence: 99%

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Interactions between mantle upwelling, drainage evolution and active normal faulting: an example from the central Apennines (Italy)

D’Agostino¹,

Jackson²,

Dramis³

et al. 2001

Geophysical Journal International

267

207

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SUMMARY In this paper we show that the processes that have shaped the Quaternary surface development of the Apennines in central Italy are all consequences of a single subcrustal process, the upwelling of the mantle. The relationship between gravity and topography shows that mantle convection is responsible for a long‐wavelength (150–200 km) topographic bulge over the central Apennines, and stratigraphic evidence suggests this bulge developed in the Quaternary. Active normal faulting is localized at the crest of this bulge and produces internally‐draining fault‐bounded basins. These basins have been progressively captured by the aggressive headward erosion of major streams that cut down to the sea on the flanks of the regional bulge. The only surviving closed basins are those on the Apennine watershed most distant from the marine base level, where continued normal faulting is still able to provide local subsidence that defeats their capture by the regional drainage network. Understanding the competition between regional capture and local, fault‐related subsidence of intermontane basins is crucial for recognizing potentially hazardous active faults in the landscape and also for interpreting the sediment supply to adjacent offshore regions. Central Italy provides a good modern analogue for processes that are probably common in the geological record, particularly on rifted margins and intracontinental rifts, but may not have been fully appreciated.

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Tectonic and sedimentary evolution of the Lower Pliocene Periadriatic foredeep in Central Italy

Carruba

Casnedi

Perotti

et al. 2005

Int J Earth Sci (Geol Rundsch)

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The Periadriatic foredeep (Italy) was generated by Neogene downbending of the Adria Plate under the Apennine Chain. The basin is filled with Plio-Pleistocene siliciclastic turbidites. Its substratum consists of the carbonate succession of the southwestern Adria Plate margin. The influence of the basin's morphology on sedimentation and subsequent tectonic evolution is investigated in the Abruzzo sector of the foredeep (Cellino Basin). The substratum is composed of Messinian evaporites that dip towards the Apennines (W). A NNW component along the depocentral axis is divided into four blocks with different depths. The substratum was also affected by a Messinian extensional fault system, not involving the overlying Pliocene sequence. This morphology controlled the distribution of the turbidites in the lower part of the Cellino Basin. The Plio-Pleistocene compressional deformation of the foredeep produced an inner complex structure (Internal Structure), involving the foredeep substratum and an outer imbricate thrust system (Coastal Structure), detached over the faulted Messinian evaporites. This thrust system is parallel to the extensional faults, suggesting a strong influence of the substratum morphology on the development of the compressional structures. The overall structural setting was validated with a balanced cross-section. Outof-sequence thrusting and non-coeval deformation within each thrust sheet characterize the local tectonic history.

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Depositional History of the Pliocene-Pleistocene Adriatic Foredeep (Central Italy) from Surface and Subsurface Data

Cited by 13 publications

References 4 publications

Factors controlling foredeep turbidite deposition: the case of Northern Apennines (Oligocene-Miocene, Italy)

Factors controlling foredeep turbidite deposition: the case of Northern Apennines (Oligocene-Miocene, Italy)

Interactions between mantle upwelling, drainage evolution and active normal faulting: an example from the central Apennines (Italy)

Tectonic and sedimentary evolution of the Lower Pliocene Periadriatic foredeep in Central Italy

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