The tectonically-confined Firenzuola turbidite system (Marnoso-arenacea Formation, northern Apennines, Italy)

Tagliaferri, Alessio; Tinterri, Roberto

doi:10.3301/ijg.2015.27

Cited by 19 publications

(9 citation statements)

References 23 publications

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“…A and B). The Cervarola stratigraphic succession fits well with the vertical evolution of the inner foredeep of the Marnoso‐arenacea Formation, which is characterized by a thickening and coarsening‐upward succession culminating with the Firenzuola turbidite system closed by the Visignano MTC (see Unit V of Tinterri & Muzzi Magalhaes, ; Tagliaferri & Tinterri, ). The latter units, recording the substantial closure of the Marnoso‐arenacea inner foredeep and the displacement of the deposition in a younger and outer foredeep, are very similar to Unit III and the related Sestola Vidiciatico MTC, respectively, which close the sedimentation of the CSF and record the displacement of turbidite deposition in a younger and outer foredeep represented by the Gova Sandstones – Langhian in age (see Fig.…”

Section: Discussionsupporting

confidence: 56%

Turbidites facies response to the morphological confinement of a foredeep (Cervarola Sandstones Formation, Miocene, northern Apennines, Italy)

Tinterri

Piazza

2018

Sedimentology

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The Cervarola Sandstones Formation, Aquitanian–Burdigalian in age, was deposited in an elongate, north‐west stretched foredeep basin formed in front of the growing northern Apennines orogenic wedge. As other Apennine foredeep deposits, such as the Marnoso‐arenacea Formation, the stratigraphic succession of the Cervarola Sandstones Formation records the progressive closure of the basin due to the propagation of thrust fronts towards the north‐east, i.e. towards the outer and shallower foreland ramp. This process produces a complex foredeep that is characterized by syn‐sedimentary structural highs and depocentres that strongly influence lateral and vertical turbidite facies distribution. This work describes and discusses this influence, providing a high‐resolution physical stratigraphy with ‘bed by bed’ correlations of an interval ca 1000 m thick, parallel and perpendicular to the palaeocurrents and to the main structural alignments, on an area of ca 30 km that covers the proximal portion of the Cervarola basin in the northern Apennines. The main aim is to show, for the first time ever, a detailed facies analysis of the Cervarola Sandstones Formation, based on a series of bed types that have proven fundamental to understand the morphology of the basin. The knowledge of the vertical and lateral distribution of these bed types, such as contained‐reflected and slurry (i.e. hybrid) beds, together with other important sedimentary structures, i.e. cross‐bedded bypass facies and delamination structures, is the basis for better understanding of facies processes, as well as for proposing an evolutionary model of the foredeep in relation to the syn‐sedimentary growth of the main tectonic structures. This makes the Cervarola Sandstones, like the Marnoso‐arenacea Formation, a typical example of foredeep evolution.

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Section: Discussionsupporting

confidence: 56%

Turbidites facies response to the morphological confinement of a foredeep (Cervarola Sandstones Formation, Miocene, northern Apennines, Italy)

Tinterri

Piazza

2018

Sedimentology

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“…They do not show significant variation in thickness or structures across the basin. axis and lobe fringe, indicates they were deposited in the same subtle bathymetric lows as the sand-rich lobe elements (Tagliaferri and Tinterri, 2016). Care must be taken to differentiate these deposits from fan fringe and basin plain type deposits, which contain hemipelagic mudstones.…”

Section: Depositional Environmentsmentioning

confidence: 99%

“…Although still much debated, thrusts may have been active in the Burdegalian to lower Serravallian (Tinterri and Muzzi Magalhaes, 2011), but individual flows may be traced over 120 km and a wide (>60 km) and low gradient basin plain is envisaged (Ricci Lucchi and Valmori, 1980;di Base and Mutti, 2002;Amy and Talling, 2006). Increasing tectonic confinement is inferred from progressive segmentation and narrowing of the basin in the upper Serravallian (Tinterri and Tagliaferri, 2015), leading to the deposition of lobe systems (Tagliaferri and Tinterri, 2016). Subsequent Tortonian age deposits form the "outer" basin stage (Ricci Lucchi, 1983), coinciding with a basin compartmentalisation due to syndepositional structural high growth, leading to channelised turbidite systems (Ricci Lucchi, 1983).…”

Section: Geological Settingmentioning

confidence: 99%

“…Many sedimentological studies of the Marnoso-Arenacea Formation have been conducted over the previous fifty years (see Muzzi Magalhaes and Tinterri, 2010 and references within; Tinterri and Muzzi Magalhaes, 2011;Sumner et al, 2012;Talling et al, 2012;Dall'Olio et al, 2013;Talling et al, 2013;Amy et al, 2015;Malgesini et al, 2015;Tinterri and Tagliaferri, 2015;Felletti et al, 2016;Tagliaferri and Tinterri, 2016). This allowed high resolution logging and sampling to be carried out to identify key depositional environments represented in the Marnoso-Arenacea Formation.…”

Section: Sedimentologymentioning

confidence: 99%

“…,Tinterri and Muzzi Magalhaes (2011),Tinterri and Tagliaferri (2015),Tagliaferri and Tinterri (2016) andTinterri and others (2016) have also recognised the influence of growth structures on the stratigraphy, which also influenced the distribtion of sub-environments in the upper Serravalian stage of the basin fill.4.1.1 Depositional environment A -Lobe axis (Fig. 3)Observations: Thick-bedded turbidites (>80 cm), dominantly comprised of laterally continuous sandstones occurring in sheet-like beds (lithofacies F8 ofMutti et al, 2003), often amalgamated into packages meters to tens of meters thick(Fig.…”

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confidence: 99%

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Palynofacies classification of submarine fan depositional environments: Outcrop examples from the Marnoso-Arenacea Formation, Italy

McArthur

Gamberi

Kneller

et al. 2017

Marine and Petroleum Geology

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Basin floor fans contain some of the largest deep-water hydrocarbon accumulations discovered, however they also demonstrate extremely complex stratigraphic architecture, understanding of which is crucial for maximum recovery. Here we develop a new method, based upon palynofacies analysis, for the distinction of the different depositional environments that are commonly associated with basin floor fans. Previous studies and our sedimentological analysis allow good confidence in the discrimination of the different depositional environments of the outcropping Marnoso-Arenacea Formation fan system. One hundred and thirty-five samples were collected from mudstones in conjunction with sedimentary logging of 871 m of outcrops. Six lithofacies associations are described and interpreted to represent lobe axis, lobe fringe, fan fringe, contained interlobe, basin plain, and starved highs. Palynofacies of these elements demonstrate turbidites to be rich in terrestrial organic matter, with sixteen categories of matter recognised. The abundances and proportions of particles varies between sub-environments, with lobe axis deposits containing the largest, densest particles, with a transition to ever smaller and lighter particles moving toward the basin plain. Fuzzy C-means statistical analysis was used to explore this trend. Distribution of organic matter is not random, but is dominated by hydrodynamic sorting and sequential fallout of particles as turbidity currents passed across the basin. This allows a palynofacies classification scheme to be constructed to assist the identification of depositional environments of submarine fans, which may be combined with subsurface data to assist reservoir characterisation.

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Mass‐Transport Deposits in the Foredeep Basin of the Miocene Cervarola Sandstones Formation (Northern Apennines, Italy)

Piazza

Tinterri

2019

Submarine Landslides

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The tectonically-confined Firenzuola turbidite system (Marnoso-arenacea Formation, northern Apennines, Italy)

Cited by 19 publications

References 23 publications

Turbidites facies response to the morphological confinement of a foredeep (Cervarola Sandstones Formation, Miocene, northern Apennines, Italy)

Turbidites facies response to the morphological confinement of a foredeep (Cervarola Sandstones Formation, Miocene, northern Apennines, Italy)

Palynofacies classification of submarine fan depositional environments: Outcrop examples from the Marnoso-Arenacea Formation, Italy

Mass‐Transport Deposits in the Foredeep Basin of the Miocene Cervarola Sandstones Formation (Northern Apennines, Italy)

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