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Andrea Festa
University of Turin
GeomorphologyGeologySubductionSedimentary rockTectonics
96Publications
19H-index
1,040Citations
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Publications 105
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#2Francesca RemittiH-Index: 13
Last. Anna Cipriani (Columbia University)H-Index: 17
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Differences in REE patterns of calcite from extensional and shear veins of the Sestola Vidiciatico Tectonic Unit in Northern Apennines suggest variations in fluid source during the seismic cycle in an ancient analogue of a shallow megathrust (Tmax 100°-150°C). In shear veins, a positive Eu anomaly suggests an exotic fluid source, likely hotter than the fault environment. Small-scale extensional veins were derived instead from a local fluid in equilibrium with the fault rocks. Mutually crosscutti...
1 CitationsSource
#1Andrea Festa (UNITO: University of Turin)H-Index: 19
#2Kei Ogata (VU: VU University Amsterdam)H-Index: 14
Last. Gian Andrea Pini (UniTS: University of Trieste)H-Index: 21
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A significant part of melanges recognized in exhumed convergent margins around the world have been recently documented to be chiefly originated from en-mass transport and subsurface remobilization and disruption (i.e., melanges, from sedimentary and mud-serpentinite diapiric processes and from in-situ fludification-disruption). Tectonic and/or sedimentary processes occurring during subsequent multiple deformational events of convergent margins evolution, commonly overprint and significantly rewo...
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#1Chiara Groppo (UNITO: University of Turin)H-Index: 3
#1Chiara Groppo (UNITO: University of Turin)H-Index: 21
Last. Franco Rolfo (UNITO: University of Turin)H-Index: 18
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1 CitationsSource
#1Kei OgataH-Index: 14
#2Andrea FestaH-Index: 19
Last. J. L. AlonsoH-Index: 15
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#1Andrea Festa (UNITO: University of Turin)H-Index: 19
#2Gian Andrea Pini (UniTS: University of Trieste)H-Index: 21
Last. Yildirim Dilek (Miami University)H-Index: 52
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Abstract Multiple episodes of deformation during the tectonic evolution of orogenic belts and ancient subduction-accretion complexes cause obfuscation of primary block-in-matrix fabric of melanges, and thereby making the recognition of their tectonic, sedimentary or diapiric origin difficult. Here we present a comprehensive overview and synthesis of a diverse set of field-based stratigraphic and structural criteria, which are at the base of geological mapping rules, to differentiate between vari...
14 CitationsSource
#1Andrea Festa (UNITO: University of Turin)H-Index: 19
#2Kei OgataH-Index: 14
Last. Gian Andrea Pini (UniTS: University of Trieste)H-Index: 21
view all 3 authors...
2 CitationsSource
#1Kei Ogata (VU: VU University Amsterdam)H-Index: 14
#2Andrea Festa (UNITO: University of Turin)H-Index: 19
Last. Claudio Corrado LucenteH-Index: 7
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Abstract Intense stratal disruption and lithological mixing is generated during sedimentary transport events, highlighting that gravitational processes are efficient mechanisms in the production of different types of mass transport deposits (MTDs) with internal block-in-matrix arrangement. Extra- and intrabasinal MTDs exhumed in orogenic belts worldwide, identified as olistostromes and sedimentary melanges in the first case, record the final products of the downslope evolution of landslide masse...
9 CitationsSource
#1Gianni Balestro (UNITO: University of Turin)H-Index: 10
#2Andrea Festa (UNITO: University of Turin)H-Index: 19
Last. Yildirim Dilek (Miami University)H-Index: 52
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We present a regional synthesis of the structural architecture and tectonic evolution of the Western Alpine Ophiolites (WAO), exposed in NW Italy. The WAO represent the remnants of Alpine Tethys (Ligurian–Piedmont Ocean) that opened between Europe and Adria, and developed in four stages from the Middle Jurassic to Early Cretaceous. Emplacement of gabbroic intrusions into the extending lithospheric mantle of Europe–Adria marked the main magmatic event (Stage 1). Coalescent shear zones in the foss...
2 CitationsSource
#2Andrea FestaH-Index: 19
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The strong morphological similitude of the block-in-matrix fabric of chaotic rock units (melanges and broken formations) makes problematic the recognition of their primary forming-processes. We present results of the comparison between magnetic fabric and mesoscale structural investigations of non-metamorphic tectonic, sedimentary, and polygenetic melanges in the exhumed Late Cretaceous to early Eocene Ligurian accretionary complex and overlying wedge-top basin succession in the Northern Apennin...
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