Shallow burial and exhumation of the Peloritani Mountains (NE Sicily, Italy): Insight from paleothermal and structural indicators

Aldega, Luca; Corrado, Sveva; Paolo, Lea Di; Somma, Roberta; Maniscalco, Rosanna; Balestrieri, Maria Laura

doi:10.1130/b30093.1

Cited by 40 publications

(22 citation statements)

References 59 publications

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“…() and Lentini et al . (), with new and published thermal and thermochronological data (Aldega et al ., , ; Corrado et al ., ; Olivetti et al ., ; Di Paolo et al ., ).…”

Section: Geological Settingmentioning

confidence: 99%

“…C), (2) vitrinite reflectance values ≤0.5% VR o %, (3) vitrinite reflectance equivalent (Lis et al ., ) values derived from FTIR (Fourier Transform InfraRed) analysis ≤0.5% VR oeq. % (according to Lis et al ., ; Di Paolo et al ., ) and (4) no partial annealing of apatite fission tracks (Figs C and ; Aldega et al ., , ; Corrado et al ., ). This level consists of sedimentary rocks belonging to the shallower structural units of the Sicilide Accretionary Complex, the Internal NFUs and the wedge‐top and normal fault‐controlled basin deposits.…”

Section: Thermal and Thermochronological Data Distributionmentioning

confidence: 99%

“…(a) Thermal maturity distribution along the Sicilian fold‐and‐thrust belt derived from organic and inorganic thermal parameters and thermochronological data (from Aldega et al ., , ; Corrado et al ., ; Olivetti et al ., ; Di Paolo et al ., ). Coloured bars represent the parameters: vitrinite reflectance in red, mixed layers illite‐smectite in blue, apatite fission track in green and Fourier Transform Infrared in purple.…”

Section: Thermal and Thermochronological Data Distributionmentioning

confidence: 99%

“…The structural style and sequence of deformation of the Sicilian FTB have been reconstructed through time mainly by structural and stratigraphic analysis of seismic profiles or by analysis of syn‐orogenic sediments (Roure et al ., ; Butler and Lickorish, ; Lickorish et al ., ; Bello et al ., ; Nigro and Renda, ). Previous multidisciplinary studies on the Eastern Sicily FTB have documented the burial and exhumation history of isolated portions of the chain (Thomson, ; Larroque et al ., ; Dewever et al ., , ; Aldega et al ., , ; Corrado et al ., ; Olivetti et al ., ; Di Paolo et al ., ), but a summary of all the data within a consistent model is lacking.…”

Section: Introductionmentioning

confidence: 99%

“…Here, we couple published thermal and thermochronological data (Aldega et al ., , ; Corrado et al ., , ; Olivetti et al ., ; Di Paolo et al ., ) with a new multidisciplinary dataset (Tables and ) in order to propose a complete evolutionary model of the Sicilian orogenic wedge from the late Oligocene to Pleistocene. The interpretation of thermal, thermochronological, stratigraphic and structural data reveals that the Eastern Sicily FTB evolved through stepwise kinematic behaviour characterized by an alternation of domains marked by different structural and thermal signatures.…”

Section: Introductionmentioning

confidence: 99%

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Detecting the stepwise propagation of the Eastern Sicily thrust belt (Italy): insight from thermal and thermochronological constraints

et al. 2014

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An extensive dataset of vitrinite reflectance, FTIR parameters on organic matter, illite content in mixed layers illite‐smectite, apatite fission tracks and U‐Th/He dating has been used to reconstruct the stepwise propagation of the Eastern Sicily fold‐and‐thrust belt during Late Palaeogene and Neogene times. The results indicate that the fold‐and‐thrust belt is divisible into two levels of thermal maturity. These levels consist of a less evolved level of thermal maturity that records limited sedimentary burial and minor heating, and a more evolved level of thermal maturity that indicates tectonic burial and exhumation at different times. Deformation and exhumation of shallowly buried units are linked to wedge forward propagation by low‐angle thrusts, whereas the evolution of deeply buried units is associated with tectonic imbrications by duplex formation and steep thrusts. The two tectonic styles alternate during evolution of the fold‐and‐thrust belt under low erosion rates

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“…() and Lentini et al . (), with new and published thermal and thermochronological data (Aldega et al ., , ; Corrado et al ., ; Olivetti et al ., ; Di Paolo et al ., ).…”

Section: Geological Settingmentioning

confidence: 99%

Section: Thermal and Thermochronological Data Distributionmentioning

confidence: 99%

Section: Thermal and Thermochronological Data Distributionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Detecting the stepwise propagation of the Eastern Sicily thrust belt (Italy): insight from thermal and thermochronological constraints

et al. 2014

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Control of Cambrian evaporites on fracturing in fault-related anticlines in the Zagros fold-and-thrust belt

Carminati

Aldega

Bigi

et al. 2013

Int J Earth Sci (Geol Rundsch)

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Orientation and distribution of fractures in the\ud Oligocene–Early Miocene Asmari Formation (a major\ud reservoir rock of the Zagros petroleum system) were\ud investigated in two anticlines of the Zagros fold-and-thrust belt. The Sim and Kuh-e-Asmari anticlines developed in\ud the areas of the Zagros characterized by the occurrence and absence of Cambrian evaporites at the bottom of the stratigraphic pile, respectively. The aim was to outline major differences in terms of fracture spacing and saturation. Organic matter maturity and clay minerals-based geothermometers suggest that the depth of deformation for\ud the top of the Asmari Formation in the Kuh-e-Asmari\ud anticline was in the range of 1.5–2.7 km assuming a geothermal gradient of 22.5°C/km. The Asmari Formation in the Sim anticline probably experienced a slightly deeper\ud sedimentary burial (maximum 3 km) with a geothermal gradient of 20°C/km. The spacing of fractures is generally 2–3 times larger (i.e., strain accommodated by fracturing is smaller) in the Sim anticline than in the Kuh-e-Asmari anticline. This is consistent with regional geological studies, analogue, and numerical models that suggest that thrust faults geometry and related folds are markedly different in the absence or presence of a weak decollement(evaporites). The larger spacing in the Sim anticline is also consistent\ud with higher temperature predicted for the Asmari\ud Formation in this area. By contrast, the orientation of\ud fractures with respect to the fold axes is the same in both\ud anticlines. The fracture systems are rather immature in both anticlines. The amount and density of fractures in the\ud twofolds are controlled by regional (occurrence/absence of salt and probably different burial), rather than local features(fold geometry)

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Multidisciplinary approach to constrain kinematics of fault zones at shallow depths: a case study from the Cameros–Demanda thrust (North Spain)

Sáinz

Román‐Berdiel

Oliva‐Urcia

et al. 2016

Int J Earth Sci (Geol Rundsch)

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Thrusting at shallow depths often precludes analysis by means of structural indicators effective in other geological contexts (e.g., mylonites, sheath folds, shear bands). In this paper, a combination of techniques (including structural analysis, magnetic methods, as anisotropy of magnetic susceptibility and paleomagnetism, and paleothermometry) is used to define thrusting conditions, deformation, and transport directions in the Cameros–Demanda thrust (North Spain). Three outcrops were analyzed along this intraplate, large-scale major structure having 150 km of outcropping length, 30 km of maximum horizontal displacement, and 5 km of vertical throw. Results obtained by means of the different techniques are compared with data derived from cross sections and stratigraphic analysis. Mixed-layer illite–smectite and vitrinite reflectance indicating deep diagenetic conditions and mature stage of hydrocarbon generation suggests shallow depths during deformation, thus confirming that the protolith for most of the fault rocks is the footwall of the main thrust. Kinematic indicators (foliation, S/C structures, and slickenside striations) indicate altogether a dominant NNW movement of the hanging wall in the western zone and NE in the eastern zone of the thrust, thus implying strain partitioning between different branches of the main thrust. The study of AMS in fault rocks (nearly 400 samples of fault gouge, breccia, and microbreccia) indicates that the strike of magnetic foliation is oblique to the transport direction and that the magnetic lineation parallelizes the projection of the transport direction onto the kmax/kint plane in sites with strong shear deformation. Paleomagnetism applied to fault rocks indicates the existence of remagnetizations linked to thrusting, in spite of the shallow depth for deformation, and a strong deformation or scattering of the magnetic remanence vectors in the fault zone. The application of the described techniques and consistency of results indicate that the proposed multidisciplinary approach is useful when dealing with thrusts at shallow crustal levels

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Shallow burial and exhumation of the Peloritani Mountains (NE Sicily, Italy): Insight from paleothermal and structural indicators

Cited by 40 publications

References 59 publications

Detecting the stepwise propagation of the Eastern Sicily thrust belt (Italy): insight from thermal and thermochronological constraints

Detecting the stepwise propagation of the Eastern Sicily thrust belt (Italy): insight from thermal and thermochronological constraints

Control of Cambrian evaporites on fracturing in fault-related anticlines in the Zagros fold-and-thrust belt

Multidisciplinary approach to constrain kinematics of fault zones at shallow depths: a case study from the Cameros–Demanda thrust (North Spain)

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