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Gian Andrea Pini
University of Trieste
GeomorphologyGeologySubmarine landslideSedimentary rockTectonics
69Publications
21H-index
1,440Citations
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Publications 62
Newest
#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
view all 3 authors...
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...
Source
#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
#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
view all 4 authors...
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
#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
#1Andrea Festa (UNITO: University of Turin)H-Index: 19
#2Simona Cavagna (UNITO: University of Turin)H-Index: 11
Last. Gian Andrea Pini (UniTS: University of Trieste)H-Index: 21
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Upper Lutetian–Bartonian sedimentary melanges, corresponding to ancient mud-rich submarine mass transport deposits, are widely distributed over an area c. 300 km long and tens of kilometres wide along the exhumed outer part of the External Ligurian accretionary wedge in the Northern Apennines. The occurrence of methane-derived carbonate concretions (septarians) in a specific tectonostratigraphic position below these sedimentary melanges allows us to document the relationships among a significant...
1 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...
Source
#1Kei OgataH-Index: 14
#2Željko PogačnikH-Index: 3
Last. Kim Senger (UNIS: University Centre in Svalbard)H-Index: 10
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The Paleogene “megabeds” of the Julian-Slovenian Basin are regional, basin-wide deposits, produced by catastrophic carbonate platform collapses. They record the emplacement of a bipartite slide mass behaving as a cohesive blocky/debris flow in the lower part, and as a grain to turbulent flow in the upper part. Several types of primary (sedimentary) soft sediment deformation structures testify fluid overpressure conditions during emplacement. Such structures are identified within a brecciated, fi...
3 CitationsSource
#1Andrea Festa (UNITO: University of Turin)H-Index: 19
#2Yildirim Dilek (Miami University)H-Index: 52
Last. Francesca RemittiH-Index: 13
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Abstract We present a critical appraisal of the role of subducted, medium (10–1000 km2) to giant (≥1000 km2) and heterogeneous, mud-rich mass transport deposits (MTDs) in seismic behavior and mechanisms of shallow earthquakes along subduction plate interfaces (or subduction channels) at convergent margins. Our observations from exhumed ancient subduction complexes around the world show that incorporation of mud-rich MTDs with a “chaotic” internal fabric (i.e., sedimentary melanges or olistostrom...
13 CitationsSource
#1Francesco Dellisanti (UNIBO: University of Bologna)H-Index: 12
#2A. Calafato (UNIBO: University of Bologna)H-Index: 1
Last. Giovanni Valdrè (UNIBO: University of Bologna)H-Index: 18
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Abstract In order to investigate in detail the effects of dehydration and grinding on the mechanical shear behaviour of Ca-rich montmorillonite, a cycle of specific experimental shear deformation tests were performed on five typology of samples, preliminary controlled by thermal analysis (TG, DTA) and X-ray diffraction (XRD): (1) a natural Ca-montmorillonite containing about 5% of adsorbed water; (2) the same montmorillonite heated at 80 °C for 2 h to remove only the adsorbed water; (3) up to 25...
1 CitationsSource
#1Gian Andrea PiniH-Index: 21
#2Stefano ContiH-Index: 12
Last. Kei OgataH-Index: 14
view all 6 authors...
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