Growth, interaction and seismogenic potential of coupled active normal faults (Isernia Basin, central‐southern Italy)

Bucci, Daniela Di; Naso, Giuseppe; Corrado, Sveva; Villa, Igor M.

doi:10.1111/j.1365-3121.2004.00582.x

Cited by 41 publications

(52 citation statements)

References 20 publications

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“…The II order palaeosurface, generally of erosional origin, is locally cut into the fluvial-lacustrine deposits that crop out at Serra S. Giorgio near S. Massimo and contain tephra layers that have been recently Ar/Ar dated to 649 ± 21 and 621 ± 6 ky BP (Di Bucci et al 2005). This data allows us to refer the genesis of the II order palaeosurface to the Middle Pleistocene (Fig.…”

Section: The Sw Sectormentioning

confidence: 99%

“…For the Apennines that are one of the youngest mountain chains in the world, these approaches have been successfully applied in several sectors of the central and southern Apennines (Brancaccio et al 1979(Brancaccio et al , 1988(Brancaccio et al , 2000Bosi et al 1996;Amato & Cinque 1999;Coltorti & Pieruccini 2000;Bartolini et al 2003;D'Alessandro et al 2003;Schiattarella et al 2003Schiattarella et al , 2006Coltorti et al 2005;Di Bucci et al 2005;Aucelli et al 2011;Amato et al 2014;Gioia et al 2014). With particular reference to the Molise sector of the Apennines, several studies have been conducted and published by our research group (Aucelli et al 2001(Aucelli et al , 2012Russo Ermolli et al 2010;Amato et al 2011Amato et al , 2012Amato et al , 2013Amato et al , 2014Bracone et al 2012a), while others are still in progress.…”

Section: Introductionmentioning

confidence: 99%

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Long-term landscape evolution of the Molise sector of the central-southern Apennines, Italy

Amato¹,

Aucelli²,

Bracone³

et al. 2017

Geologica Carpathica

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This paper concerns the reconstruction of the main stages of the long-term landscape evolution of the Molise portion of the central-southern Apennines along a transect divided into three sectors (SW, Central and NE). Analysis mainly focused on geomorphological, stratigraphical and structural data supported by chronological constraints, coming from an overall review of past literature and several studies carried out by the authors of the paper during the last 20 years. The results obtained allowed the elaboration of a conceptual model of the long-term evolution of the Molise sector of the central-southern Apennines. Starting from the Pliocene, the emersion of the Molise area occurred gradually from SW to NE, allowing a polycyclic landscape to evolve under the major controls first of compression then transtensional to extensional tectonics as well as climatic variations. Principal markers of the Quaternary geomorphological evolution of the Molise area are represented by the infill successions of the intermontane tectonic depressions located in its internal, SW sector and by four orders of palaeosurfaces that developed between the Early Pleistocene and the beginning of the Late Pleistocene across the region. These markers testify to the alternation of phases of substantial tectonic stability and uplift whose spatial-temporal distribution could be assessed along the investigated transect. Results highlight that the most important stages of landscape evolution occurred during the Early and Middle Pleistocene. At the beginning of the Late Pleistocene, the Molise sector of the Apennine chain had already reached its present setting and further landscape evolution occurred under the major control of climate and land-use.

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Section: The Sw Sectormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Long-term landscape evolution of the Molise sector of the central-southern Apennines, Italy

Amato¹,

Aucelli²,

Bracone³

et al. 2017

Geologica Carpathica

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“…Even if this pattern clearly testifies to a complex tectonic evolution, it is currently constrained by fewand uncertain -chronological data (i.a. Brancaccio et al 1979;Brancaccio et al 2000;Coltorti et al 2005;Di Bucci et al 2005). In particular, recent studies by Amato et al (2010) and Russo have added some new chronological constraints for the Middle Pleistocene paleosurface of the Sessano intramontane basin located along the northwestern margin of the Montagnola di Frosolone massif (Fig.…”

Section: New Morphostratigraphic and Chronological Constraints For Thmentioning

confidence: 99%

“…4c). 40 Ar / 39 Ar ages after Brancaccio et al (1979) and Di Bucci et al (2005) allowed two interbedded volcaniclastic levels to be constrained to 1.0-1.1 Ma and 0.6 Ma.…”

Section: Order (750-850 M Asl)mentioning

confidence: 99%

“…Subsequently, transtensional and extensional tectonics acted, from the Early Pleistocene, mainly along NW-SE and NE-SW oriented alignments, respectively. During extensional tectonics, from the Middle Pleistocene onwards (Corrado et al 2000;Di Bucci et al 2002;Amato et al 2010), several intramontane basins of variable size (Carpino-Le Piane, Isernia, S. Massimo, Boiano and Sessano) developed within the Molise Apennine chain and were gradually filled up by huge Quaternary successions composed of fluvial to lacustrine and volcaniclastic deposits (Brancaccio et al 1979;Corrado et al 1997a;Corrado et al 2000;Di Bucci et al 2002;Coltorti et al 2005;Di Bucci et al 2005;Russo Ermolli et al 2010).…”

Section: Geological Settingmentioning

confidence: 99%

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New morphostratigraphic and chronological constraints for the Quaternary paleosurfaces of the Molise Apennine (southern Italy)

Aucelli¹,

Amato²,

Cesarano³

et al. 2011

Geologica Carpathica

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Abstract:The Molise Apennines feature numerous relicts of paleosurfaces, mostly of erosional origin, which represent the remnants of gently-rolling ancient landscapes now hanging at different altitudes above the local base-levels of erosion. Their genesis can be related to prolonged periods of relative tectonic stability alternating with periods of uplift, or to the interplay between steady tectonic uplift and climatic fluctuations. Four orders of paleosurfaces were recognized: I ( > 1,100 m a.s.l.), II (900-1,000 m a.s.l.), III (750-850 m a.s.l.), IV (600-720 m a.s.l.). The most ancient orders (I and II) are cut into the bedrock and are located at the top of the Matese and Montagnola di Frosolone massifs. The youngest paleosurfaces (III-IV), partially cut into Quaternary deposits, are found along the valley flanks of the main river systems and within the Boiano, Carpino, Isernia and Sessano intramontane basins. The present study deals with the dating of the Sessano Basin Paleosurface (SBP) which is related to the IV order and is cut into the basin infill. The 40 Ar/ 39 Ar age of a tephra layer (437 ± 1.9 ka), intercalated at the top of the succession, supported by archaeo-stratigraphic, palynological and paleopedological data, allowed the SBP surface to be constrained to 350-300 ka. The SBP chronological position represents an important morphostratigraphic marker: it is the first ante quem and post quem date that allows the chronological position of the other orders of paleosurfaces to be better constrained.

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Geomorphic response to late Quaternary tectonics in the axial portion of the Southern Apennines (Italy): A case study from the Calore River valley

Amato

Aucelli

Cesarano

et al. 2018

Earth Surf Processes Landf

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The present study focuses on the morphotectonic evolution of the axial portion of the Southern Apennine chain between the lower Calore River valley and the northern Camposauro mountain front (Campania Region). A multidisciplinary approach was used, including geomorphological, field‐geology, stratigraphical, morphotectonic, structural, 40Ar/39Ar and tephrostratigraphical data. Results indicate that, from the Lower Pleistocene onwards, this sector of the chain was affected by extensional tectonics responsible for the onset of the sedimentation of Quaternary fluvial, alluvial fan and slope deposits. Fault systems are mainly composed of NW‐SE, NE–SW and W‐E trending strike‐slip and normal faults, associated to NW‐SE and NE–SW oriented extensions. Fault scarps, stratigraphical and structural data and morphotectonic indicators suggest that these faults affected the wide piedmont area of the northern Camposauro mountain front in the Lower Pleistocene–Upper Pleistocene time span. Faults affected both the oldest Quaternary slope deposits (Laiano Synthem, Lower Pleistocene) and the overlying alluvial fan system deposits constrained between the late Middle Pleistocene and the Holocene. The latter are geomorphologically and chrono‐stratigraphically grouped into four generations, I generation: late Middle Pleistocene–early Upper Pleistocene, with tephra layers 40Ar/39Ar dated to 158±6 and 113±7 ka; II generation: Upper Pleistocene, with tephra layers correlated with the Campanian Ignimbrite (39 ka) and with the slightly older Campi Flegrei activity (40Ar/39Ar age 48±7 ka); III generation: late Upper Pleistocene–Lower Holocene, with tephra layers correlated with the Neapolitan Yellow Tuff (~15 ka); IV generation: Holocene in age. The evolution of the first three generations was controlled by Middle Pleistocene extensional tectonics, while Holocene fans do not show evidence of tectonic activity. Nevertheless, considering the moderate to high magnitude historical seismicity of the study area, we cannot rule out that some of the recognized faults may still be active. Copyright © 2018 John Wiley & Sons, Ltd.

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Growth, interaction and seismogenic potential of coupled active normal faults (Isernia Basin, central‐southern Italy)

Cited by 41 publications

References 20 publications

Long-term landscape evolution of the Molise sector of the central-southern Apennines, Italy

Long-term landscape evolution of the Molise sector of the central-southern Apennines, Italy

New morphostratigraphic and chronological constraints for the Quaternary paleosurfaces of the Molise Apennine (southern Italy)

Geomorphic response to late Quaternary tectonics in the axial portion of the Southern Apennines (Italy): A case study from the Calore River valley

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