Remnants of the Hercynian orogen along the 'Calabrian-Peloritan arc', southern Italy: a review

Atzori, Piero; Ferla, P.; Paglionico, A.; Piccarreta, G.; Rottura, A.

doi:10.1144/gsjgs.141.1.0137

Cited by 41 publications

(25 citation statements)

References 15 publications

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“…In the Peloritani Mountains, a few kilometers from the Alì series, carbonate rock bands interbedded into phyllites of the Mandanici Unit show a weak Alpine metamorphic overprint . In agreement with Atzori et al (1984), they have been interpreted as the fragmentary sedimentary cover of the Mandanici Unit.…”

Section: Discussion and Tectonic Modelsupporting

confidence: 71%

Alpine Metamorphism in the Aspromonte Massif: Implications for a New Framework for the Southern Sector of the Calabria-Peloritani Orogen, Italy

Pezzino

Angì

Fazio

et al. 2008

International Geology Review

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Structural, petrologic, and thermobarometric data presented in this paper contribute to our understanding of the tectono-metamorphic evolution of the lowest tectonic slices of the Aspromonte Massif (southern Calabria, Italy), which crop out in three main tectonic windows. Despite previously being considered different units, they exhibit the following similar features: the same tectonic evolution, analogous blasto-deformation relationships, and absence of Hercynian mineralogical assemblage relics. Similar P-T paths indicate early HP-LT Meso-Alpine metamorphism (400-600° C at 0.95-1.35 GPa), evolving in the Oligocene-Miocene toward a subsequent retrograde shearing event ranging from 480° to 610°C and 0.50 to 0.95 GPa. The latest retrograde evolution is characterized by 350-480°C and 0.32-0.62 GPa. In this new tectonic framework, it is proposed to group the metapelite sequences defining the Madonna di Polsi Unit. Data presented herein suggest that the pre-Alpine geodynamic setting of southern Calabria was a thinned continental margin made up of Hercynian basement and Mesozoic terrigenous-carbonate sedimentary cover. This continental margin evolved during the early Meso-Alpine stage into a subduction zone beneath the European plate, followed by Neo-Alpine syn-convergent exhumation along a deep-seated mylonitic shear zone. These processes are responsible for the Alpine metamorphic overprint on the Hercynian terranes, as well as for Alpine metamorphism of their Mesozoic cover.

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Section: Discussion and Tectonic Modelsupporting

confidence: 71%

Alpine Metamorphism in the Aspromonte Massif: Implications for a New Framework for the Southern Sector of the Calabria-Peloritani Orogen, Italy

Pezzino

Angì

Fazio

et al. 2008

International Geology Review

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“…the southernmost section of the Calabrian-Peloritan arc (CPA), a complex structure made up of Paleozoic, Mesozoic and recent terrains that connect the northwest-southeast (NW-SE)-trending Apennines with the EW Maghrebide chain of Sicily (Amodio Morelli et al, 1976;Tortorici, 1982;Atzori et al, 1984). It occupies the eastern sector of the Peloritani Mountains, i.e.…”

Section: Geological and Geomorphological Settingsmentioning

confidence: 99%

Reconstruction of a destructive debris‐flow event via numerical modeling: the role of valley geometry on flow dynamics

Schilirò

Blasio

Esposito

et al. 2015

Earth Surf Processes Landf

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Debris‐flows are widespread natural phenomena characterized by high mobility (high velocity and long runout distance) and impact forces, which frequently cause human casualties and significant damage to infrastructure. To better understand the dynamics of such events, analyzing in particular the effect induced by the valley geometry on flow velocity, runout and mobilized volumes, in this work we reconstruct a real debris‐flow event through numerical modeling. Specifically, we used a modified version of the BING model, a fluid‐dynamic depth‐integrated numerical model for debris flows, which has been properly modified to account for width changes along the valley. The studied event, which occurred in Scaletta Zanclea (Messina, north‐eastern Sicily, Italy) on October 1, 2009, is exceptionally well constrained by field and topographic information. In this respect the flow velocity, estimated from two specific locations on the basis of field evidence, the distribution of erosional and depositional areas along the Racinazzo valley, based on the comparison of pre‐ and post‐event digital elevation models (DEMs), and the runout distance were used as constraints to calibrate the model. Furthermore, we report a detailed description of the main event characteristics based on hydrological records and witness reports. The numerical modeling results are consistent with witness reports and the severe damage recorded in the Scaletta Marina village, and highlight the effect of the valley geometry on both the debris flow velocity and the erosion/deposition processes. The effect of changing valley width has been also quantified, resulting in accelerations of the debris in correspondence of the valley narrowing and stagnations at the plateaus. Copyright © 2015 John Wiley & Sons, Ltd.

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“…Amodio Morelli et al, 1976;Schenk, 1981;Zanettin Lorenzoni, 1982;Atzori et al, 1984;Del Moro et al, 1986;Zeck, 1990;Messina et al, 1994), that are drifted from the southern Iberic plate and accreted since upper Oligocene over the Adria-Africa lithosphere. They are a key tectonic element of the southern Italy orogen.…”

Section: Structural Evolution and Rise Of The Calabrian Terranesmentioning

confidence: 99%

Relationships between Lithospheric Flexure, Thrust Tectonics and Stratigraphic Sequences in Foreland Setting: the Southern Apennines Foreland Basin System, Italy

Critelli¹,

Muto²,

Perri³

2011

New Frontiers in Tectonic Research - At the Midst of Plate Convergence

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Remnants of the Hercynian orogen along the 'Calabrian-Peloritan arc', southern Italy: a review

Cited by 41 publications

References 15 publications

Alpine Metamorphism in the Aspromonte Massif: Implications for a New Framework for the Southern Sector of the Calabria-Peloritani Orogen, Italy

Alpine Metamorphism in the Aspromonte Massif: Implications for a New Framework for the Southern Sector of the Calabria-Peloritani Orogen, Italy

Reconstruction of a destructive debris‐flow event via numerical modeling: the role of valley geometry on flow dynamics

Relationships between Lithospheric Flexure, Thrust Tectonics and Stratigraphic Sequences in Foreland Setting: the Southern Apennines Foreland Basin System, Italy

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