Frontal part of the northern Apennines fold and thrust belt in the Romagna‐Marche area (Italy): Shallow and deep structural styles

Coward, M. P.; Donatis, Mauro De; Mazzoli, Stefano; Paltrinieri, Werter; Wezel, Forese Carlo

doi:10.1029/1999tc900003

Cited by 128 publications

(91 citation statements)

References 21 publications

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“…Conversely, a thick-skin deformation implying a rather severe involvement of the crystalline basement in the crustal shortening has been hypothesized by other authors [Barchi, 1991;Lavecchia et al, 1994;Barchi et al, 1998;Coward et al, 1999]. Analogous controversies exist on the Southern Apennine deep structure since a quite important contribution of the crystalline basement to the post-Tortonian mountain chain has been postulated by some authors [Casero et al, 1988;Endignoux et al, 1989;Mazzoli et al, 2000;Menardi Noguera and Rea, 2000;Speranza and Chiappini, 2002] whilst a thin-skin tectonic style implying greater volumes of sedimentary rocks and consequently greater amounts of shortening has been proposed by other authors [Patacca et al, 2000;Patacca and Scandone, 2004a;Scrocca et al, 2005].…”

Section: Stratigraphic-structural Lineaments Of the Central Apenninesmentioning

confidence: 92%

Structural architecture of the central Apennines: Interpretation of the CROP 11 seismic profile from the Adriatic coast to the orographic divide

et al. 2008

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We present an interpretation of the eastern half portion of the CROP 11 line, a deep reflection seismic profile 265 km long that cuts across the central Apennines from the Tyrrhenian coast to the Adriatic coast. In the study area the line cuts across a pile of thrust sheets that underwent tectonic transport between the Messinian and the Pleistocene. In its easternmost part, the line runs through the Plio‐Pleistocene deposits of the Adriatic foredeep. In the foreland region the CROP 11 line integrates previous information on the crustal structure derived from petroleum exploration and from deep seismic sounding refraction experiments. In particular, the CROP 11 line confirms the existence of a very thick sedimentary sequence underlying the Mesozoic‐Tertiary carbonates of the Apulia Platform interpreted as the Paleozoic‐Triassic sedimentary cover of a pre‐Cambrian crystalline basement. In the mountain chain, where the base thrust of the orogenic wedge reaches a depth of about 25 km, this sedimentary sequence appears to be the deepest geological unit incorporated in the thrust system. This interpretation of the CROP 11 profile suggests an unusual thin‐skin tectonic style implying the detachment from the original basement and the incorporation in the post‐Tortonian tectonic wedge of a very thick Paleozoic‐Triassic sedimentary sequence possibly affected by low‐grade metamorphism in the lower part. Other new suggestions from the CROP 11 seismic data concern the origin of the Fucino basin, one of the most remarkable Plio‐Pleistocene intramontane basins. The normal faults bordering this structural depression, as other important normal faults present in the central Apennines (e.g., the Caramanico fault system in the Majella region), seem to have been controlled by gravitational‐collapse processes driven by uplift during crustal shortening rather than by a generalized extension subsequent to the Apennine compression, as usually reported in the geological literature. If this interpretation is correct, the strong seismic activity in correspondence to the Apennine watershed may be related to the very recent increase in the structural relief caused by an out‐of‐sequence propagation of the active thrusts.

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Section: Stratigraphic-structural Lineaments Of the Central Apenninesmentioning

confidence: 92%

Structural architecture of the central Apennines: Interpretation of the CROP 11 seismic profile from the Adriatic coast to the orographic divide

et al. 2008

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“…1). The area sits at the transition from the Emilia Romagna-Marche Apennines, which are part of the northeast-vergent fold-andthrust belt of the Northern Apennines, and the Adriatic Sea Po Plain, which is the present-day remnant of the foredeep (Coward et al 1999). The bedrock of the coastal strip consists of marine Plio-Pleistocene arenitic and pelitic deposits overlaying Upper Miocene marly, siliciclastic and evaporitic formations.…”

Section: Geological-geomorphological Settingmentioning

confidence: 99%

Geomorphological and Anthropic Control of the Development of Some Adriatic Historical Towns (Italy) Since the Roman Age

Dall’Aglio

Donatis

Franceschelli

et al. 2017

Quaestiones Geographicae

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Dall'Aglio P.L., De Donatis M., Franceschelli C., Guerra C., Guerra V., Nesci O., Piacentini D., Savelli S., 2017. Geomorphological and anthropic control of the development of some Adriatic historical towns (Italy) since the Roman age. Quaestiones Geographicae 36(3), Bogucki Wydawnictwo Naukowe, Poznań, pp. 111-123. 6 figs.abstraCt: The geomorphological analysis of historically urbanized areas is the best scientific way to understand how the extant geomorphological factors conditioned urbanization. It also provides a baseline to enable comparisons to be made with the modern environment. This paper considers four urbanized historical sites on the Adriatic coast (Italy) that owe their urban development to particular geomorphological and environmental conditions that were modified over the centuries from the Roman age to the present day. The focus here is on the evolution of the shoreline and associated geomorphic variables (streambeds and river mouths migration). These factors are fundamental for determining the development of a city, both as basic boundary elements -therefore including defence and protection -and also for the development of harbours.

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“…These anticlines are separated by narrow, often markedly asymmetric, synclines. The Umbria-Romagna-Marche Apennines have been traditionally considered to be a thin-skinned thrust-and-fold chain (Bally et al 1988, and references therein), but more recently, a deformation involving the Hercynian basement has been pointed out (Lavecchia et al 1994;Barchi et al 1998;Coward et al 1999;Mazzoli et al 2001Mazzoli et al , 2005.…”

Section: Geological Frameworkmentioning

confidence: 99%

The Early Miocene “Bisciaro volcaniclastic event” (northern Apennines, Italy): a key study for the geodynamic evolution of the central-western Mediterranean

Guerrera

Martı́n-Martı́n

Raffaelli

et al. 2015

Int J Earth Sci (Geol Rundsch)

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recognizable in different tectonic units of the Apennines, Maghrebian, and Betic Chains show petrofacies and chemical-geochemical features related to a similar calc-alkaline magmatism. The characterization of this event led to the hypothesis of a co-genetic relationship between volcanic activity centres (primary volcanic systems) and depositional basins (depositional processes) in the Early Miocene palaeogeographic and palaeotectonic evolution of the central-western Mediterranean region. The results support the proposal of a geodynamic model of this area that considers previously proposed interpretations.

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Frontal part of the northern Apennines fold and thrust belt in the Romagna‐Marche area (Italy): Shallow and deep structural styles

Abstract: Abstract.In this study, surface geological data resulting from a detailed field survey, including structural and biostratigraphic analysis, have been integrated with subsurface (seismic lines and well logs) data in order to

Cited by 128 publications

References 21 publications

Structural architecture of the central Apennines: Interpretation of the CROP 11 seismic profile from the Adriatic coast to the orographic divide

Structural architecture of the central Apennines: Interpretation of the CROP 11 seismic profile from the Adriatic coast to the orographic divide

Geomorphological and Anthropic Control of the Development of Some Adriatic Historical Towns (Italy) Since the Roman Age

The Early Miocene “Bisciaro volcaniclastic event” (northern Apennines, Italy): a key study for the geodynamic evolution of the central-western Mediterranean

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