Sub-greenschist facies assemblages of metabasites from south-eastern Peloritani range (NE-Sicily)

Cirrincione, Rosolino; Atzori, Piero; Pezzino, Antonino

doi:10.1007/bf01161521

Cited by 16 publications

(11 citation statements)

References 16 publications

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“…According to this last view, this unit, named the Madonna di Polsi Unit (MPU) by , can be framed within the southern CPO geodynamic scenario as a prevalent metapelite sequence, differently affected by an early Alpine evolution along an HP geothermal gradient (Cirrincione et al, 2008b). As a consequence of this proposed model, the comparison between Aspromonte Massif and Peloritani Mountains nappe-like edifices (Cirrincione et al, 1999;Cirrincione et al, 2012) was facilitated, contributing to our understanding of the location of this orogenic sector in the wider geodynamic puzzle of the western Mediterranean realm (e.g. Critelli et al, 2008;Perrone et al, 2006;Perri et al, 2011Perri et al, , 2013Zaghloul et al, 2010).…”

Section: Geological Settingmentioning

confidence: 96%

Petro-structural geology of the Eastern Aspromonte Massif crystalline basement (southern Italy-Calabria): an example of interoperable geo-data management from thin section – to field scale

et al. 2014

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The presented maps provide an example of the synoptic display of multi-scale geological features characterizing the tectono-metamorphic evolution of the crystalline basement terranes in a poly-orogenic-multistadial evolutionary scenario. The petro-structural map of the eastern Aspromonte Massif (southern Calabrian Peloritani Orogen) is characterized by a nappe-like edifice composed by the superimposition of three crystalline basement tectonic units which, sharing the same Alpine-Apennine reworking, underwent a different metamorphic evolution, mostly derived from the Hercynian orogenic cycle. This geological framework is completed by the suture deposition of a Oligocene-Miocene syn-orogenic clastic formation, partly roofed by the back-thrusting of a clay-rich mélange. In order to understand the potential relationships within the complex dataset deriving from the geological investigations of this crystalline basement area, a geo-database, capable of handling multi-scale information from field-derived structural data (i.e. foliation, lineation, fold-and fault-related structures) to micro-scale derived ones (i.e. thin-section analysis, electron microscope and microprobe investigations, thermodynamic modeling outputs) has been constructed, according to the international standards using the Geo-Scientific Markup Language developed by the Commission for the Management and Application of Geo-science Information. Proposed outputs will show the relationships between field-related geological features, showing collected samples and the subsequent laboratory investigations. These are fundamental to achieving reliable results in geological contexts, such as those for reconstructing the tectono-metamorphic evolution of crystalline basement terrains.

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Section: Geological Settingmentioning

confidence: 96%

Petro-structural geology of the Eastern Aspromonte Massif crystalline basement (southern Italy-Calabria): an example of interoperable geo-data management from thin section – to field scale

et al. 2014

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“…The Lower Domain, exposed in the south, consists of Cambrian to Carboniferous volcano-sedimentary sequences (metapelites and quartz schists, minor marbles, metabasalts, andesites, volcaniclastic rocks and felsic porphyroids), which were metamorphosed up to greenschist facies during the Variscan (Acquafredda et al, 1994;Cirrincione et al, 1999). The lowest metasediments contain Cambrian-Ordovician acritarchs (Majesté-Menjoulas et al, 1986;Bouillin et al, 1987).…”

Section: Geological and Geochronological Backgroundmentioning

confidence: 96%

“…The basement rocks have been subdivided into two complexes with different tectono-metamorphic histories (Atzori et al, 1994;Cirrincione et al, 1999). The Lower Domain, exposed in the south, consists of Cambrian to Carboniferous volcano-sedimentary sequences (metapelites and quartz schists, minor marbles, metabasalts, andesites, volcaniclastic rocks and felsic porphyroids), which were metamorphosed up to greenschist facies during the Variscan (Acquafredda et al, 1994;Cirrincione et al, 1999).…”

Section: Geological and Geochronological Backgroundmentioning

confidence: 99%

Peri-Gondwanan origin and early geodynamic history of NE Sicily: A zircon tale from the basement of the Peloritani Mountains

et al. 2012

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“…Some questions remain on the structural position of the Alì unit within the Peloritani edifice, as it crops out at both the bottom and the top of the Mandanici unit. Cirrincione, Atzori & Pezzino, 1999;Bonardi et al 2001). On the other hand, Ferla & Azzaro (1978) propose that this contact is defined by southverging thrust planes developed during the nappe stacking.…”

Section: Geological Backgroundmentioning

confidence: 99%

Styles and regimes of orogenic thickening in the Peloritani Mountains (Sicily, Italy): new constraints on the tectono-metamorphic evolution of the Apennine belt

et al. 2008

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The Peloritani Mountains constitute the Sicilian portion of the Calabria–Peloritani Arc \ud (Italy), a tectono-metamor phic ediﬁce recording the history of the subduction–exhumation cycle during \ud Tertiary convergence between the African and European plates. Here, we describe the kinematic and \ud the petrological characteristics of the major shear zones bounding the lowermost continental-derived \ud metamor phic units cropping out in the eastern portion of the Peloritani Mountains. Both meso- \ud and micro-scale shear sense criteria indicate a top-to-the-SSE tectonic transport, during a general \ud evolution from ductile to brittle deformation conditions. Quantitative thermobarometry on texturally \ud equilibrated phengite–chlorite pairs crystallized along the shear bands indicates pressure of 6–8 kbar \ud at temperatures of 360–440 ◦ C for the structurally highest units and 3–4 kbar at 380–440 ◦ C for the \ud lowest ones. This documents an overall inverse-type nappe ar rangement within the tectonic ediﬁce \ud and a transition from an Alpine- (13–18 ◦ C km−1 ) to a Bar rovian-type (28–36 ◦ C km−1 ) geothermal \ud gradient during the progress of the Alpine orogenic metamor phism in the Peloritani Mountains. The \ud integration of these results allows the Peloritani Mountains to be considered as a constituent element \ud of the Apennine orogenic domain formed during the progressive space–time transition from oceanic \ud to continental subduction at the active convergent margin

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Sub-greenschist facies assemblages of metabasites from south-eastern Peloritani range (NE-Sicily)

Cited by 16 publications

References 16 publications

Petro-structural geology of the Eastern Aspromonte Massif crystalline basement (southern Italy-Calabria): an example of interoperable geo-data management from thin section – to field scale

Petro-structural geology of the Eastern Aspromonte Massif crystalline basement (southern Italy-Calabria): an example of interoperable geo-data management from thin section – to field scale

Peri-Gondwanan origin and early geodynamic history of NE Sicily: A zircon tale from the basement of the Peloritani Mountains

Styles and regimes of orogenic thickening in the Peloritani Mountains (Sicily, Italy): new constraints on the tectono-metamorphic evolution of the Apennine belt

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