The Structure of the Ionian Sea, Sicily, and Calabria-Lucania

Grandjacquet, C.; Mascle, Georges

doi:10.1007/978-1-4684-3039-4_5

Cited by 33 publications

(7 citation statements)

References 13 publications

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“…The paleotectonic collocation of the Calabride units has been either attributed to the African margin [ Amodio‐Morelli et al ., ; Grandjacquet and Mascle , ; Scandone , ], to the European margin [ Ogniben , ; Dietrich , ; Rossetti et al ., ], or to a microcontinent(s) in between [e.g., Vai , ; Guerrera et al ., ; Perrone , ; Bonardi et al ., ]. Preservation of the distal northern Tethyan margin and of exhumed subcontinental mantle offshore Sardinia (Cornaglia Terrace) suggests that the Calabride units may represent former extensional allochthon(s) originally located farther to the SE [ Malusà et al ., ].…”

Section: Exhumation Driven By the Lower Plate: Calabriamentioning

confidence: 99%

Contrasting styles of (U)HP rock exhumation along the Cenozoic Adria‐Europe plate boundary (Western Alps, Calabria, Corsica)

Malusà

Faccenna

Baldwin

et al. 2015

Geochem Geophys Geosyst

120

145

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Since the first discovery of ultrahigh pressure (UHP) rocks 30 years ago in the Western Alps, the mechanisms for exhumation of (U)HP terranes worldwide are still debated. In the western Mediterranean, the presently accepted model of synconvergent exhumation (e.g., the channel-flow model) is in conflict with parts of the geologic record. We synthesize regional geologic data and present alternative exhumation mechanisms that consider the role of divergence within subduction zones. These mechanisms, i.e., (i) the motion of the upper plate away from the trench and (ii) the rollback of the lower plate, are discussed in detail with particular reference to the Cenozoic Adria-Europe plate boundary, and along three different transects (Western Alps, Calabria-Sardinia, and Corsica-Northern Apennines). In the Western Alps, (U)HP rocks were exhumed from the greatest depth at the rear of the accretionary wedge during motion of the upper plate away from the trench. Exhumation was extremely fast, and associated with very low geothermal gradients. In Calabria, HP rocks were exhumed from shallower depths and at lower rates during rollback of the Adriatic plate, with repeated exhumation pulses progressively younging toward the foreland. Both mechanisms were active to create boundary divergence along the Corsica-Northern Apennines transect, where European southeastward subduction was progressively replaced along strike by Adriatic northwestward subduction. The tectonic scenario depicted for the Western Alps trench during Eocene exhumation of (U)HP rocks correlates well with present-day eastern Papua New Guinea, which is presented as a modern analog of the Paleogene Adria-Europe plate boundary.

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Section: Exhumation Driven By the Lower Plate: Calabriamentioning

confidence: 99%

Contrasting styles of (U)HP rock exhumation along the Cenozoic Adria‐Europe plate boundary (Western Alps, Calabria, Corsica)

Malusà

Faccenna

Baldwin

et al. 2015

Geochem Geophys Geosyst

120

145

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“…, 1972; Alvarez, 1976; Amodio Morelli et al. , 1976; Grandjacquet and Mascle, 1978; Bonardi et al. , 1982, 1994, 2001), the Paludi Formation may be considered a deposit postdating the Cretaceous–Paleogene eo‐Alpine tectogenetic phases, responsible for the stacking of the ophiolite‐bearing and crystalline basement nappes of the northern Calabria, and predating the backthrust at the beginning of the Apenninic Apulia‐verging orogenic transport.…”

Section: The Paludi Formationmentioning

confidence: 99%

The age of the Paludi Formation: a major constraint to the beginning of the Apulia‐verging orogenic transport in the northern sector of the Calabria–Peloritani Arc

et al. 2005

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A stratigraphic revision of the Paludi Formation, cropping out in Northern Calabria on the north‐eastern side of Sila Massif, has confirmed that it has been deposited between two main tectonic phases. Actually the formation is involved only by top to the north‐east thrusts, different from those separating the crystalline and ophiolitic nappes of Northern Calabria, and rests unconformably on the Sila Unit, the uppermost nappe of the tectonic stack. In the frame of the interpretation of Northern Calabria as a fragment of the Alps, the Paludi Formation play the role of a deposit post‐dating the eo‐alpine tectonic phases and pre‐dating the Apenninic orogenic transport. Therefore the Aquitanian age of the formation, obtained by nannofloras analyses, can be considered the minimum age to the Apulia‐verging orogenic transport, witnessed by top to north‐east thrusts. It fairly corresponds to the age referred to the Lucanian ocean closure.

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“…between the European-Iberian and the African-Apulian domains. The Calabride Complex is considered to be either (i) a remnant of the African continental margin, piled up during the Cretaceous-Paleogene to form, together with ophiolitic nappes, a Europe-verging Eo-Alpine Chain, that overthrusted the Apennine orogenic belt in Early Miocene (Haccard et al, 1972;Alvarez, 1976;Grandjacquet and Mascle, 1978), or (ii) a fragment of the European continental margin, piled up with oceanic materials in Paleogene time with African vergence, which overthrusted the African continental margin in Early Miocene (Ogniben, 1969(Ogniben, , 1973Bouillin, 1984;Bouillin et al, 1986).…”

Section: Introductionmentioning

confidence: 99%

Neogene-Quaternary strike-slip tectonics in the central Calabrian Arc (southern Italy)

Tansi

Muto

Critelli

et al. 2007

Journal of Geodynamics

177

145

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The Structure of the Ionian Sea, Sicily, and Calabria-Lucania

Cited by 33 publications

References 13 publications

Contrasting styles of (U)HP rock exhumation along the Cenozoic Adria‐Europe plate boundary (Western Alps, Calabria, Corsica)

Contrasting styles of (U)HP rock exhumation along the Cenozoic Adria‐Europe plate boundary (Western Alps, Calabria, Corsica)

The age of the Paludi Formation: a major constraint to the beginning of the Apulia‐verging orogenic transport in the northern sector of the Calabria–Peloritani Arc

Neogene-Quaternary strike-slip tectonics in the central Calabrian Arc (southern Italy)

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