Inner Northern Apennines

Carmignani, Luigi; Decandia, F. A.; Disperati, Leonardo; Fantozzi, Pier Lorenzo; Kligfield, Roy; Lazzarotto, A.; Liotta, Domenico; Meccheri, Marco

doi:10.1007/978-94-015-9829-3_14

Cited by 66 publications

(65 citation statements)

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“…They have been variously related to extensional tectonics following the orogenic phase (Martini and Sagri 1994;Carmignani et al 2001), extensional tectonics interrupted by compressive pulses (Bernini et al 1990), or, more recently, to exclusively compressional tectonics (Boccaletti and Sani 1998;Bonini and Sani 2002).…”

Section: Overviewmentioning

confidence: 98%

Onset of temperate carbonate sedimentation during transgression in a low-energy siliciclastic embayment (Pliocene of the Val d’Orcia Basin, Tuscany, Italy)

Nalin¹,

Ghinassi

Basso

2010

Facies

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A Mid-Pliocene sequence in the sedimentary Wll of the Val d'Orcia Basin (Tuscany, Italy) records coeval accumulation of temperate carbonate and siliciclastic deposits in close proximity. This study investigates the role played by local parameters in inXuencing the spatially discontinuous onset of carbonate sedimentation. Carbonate facies developed during transgression of an irregular coastline and were restricted to the more enclosed portion of an embayment. Coralline red algae were the main carbonate producers and are preserved in the skeletal association as isolated branches, rhodoliths, and incipient bindstone. When comparing the sedimentological attributes of the siliciclastic-and carbonate-dominated deposits, no signiWcant diVerences are observed. They both appear to have accumulated in shallow-marine areas, subjected to general low-energy conditions punctuated by sporadic higher-energy events. Nevertheless, coastal morphology and bedrock composition at the basin margin created local heterogeneities that were suYcient to induce restricted spatial distribution of the carbonate-producing factory.

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Section: Overviewmentioning

confidence: 98%

Onset of temperate carbonate sedimentation during transgression in a low-energy siliciclastic embayment (Pliocene of the Val d’Orcia Basin, Tuscany, Italy)

Nalin¹,

Ghinassi

Basso

2010

Facies

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“…3). Following Carmignani et al (2001), ophiolitic remnants of the Piedmont-Ligurian oceanic crust, together with their sedimentary cover, are referred to the Ligurian domain (LD; Fig. 3), whereas sedimentary rocks whose original substratum is unknown and accumulated between the Piedmont-Ligurian ocean and the Adria continental-margin are referred to the Subligurian domain (SLD; Fig.…”

Section: Geological Frameworkmentioning

confidence: 99%

The Mesozoic continental rifting in the Mediterranean area: insights from the Verrucano tectofacies of southern Tuscany (Northern Apennines, Italy)

Aldinucci

Gandin

Sandrelli

2007

Int J Earth Sci (Geol Rundsch)

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In the Alpine-Mediterranean region, the continental redbeds and shallow-marine siliciclastics related to the early depositional phases of the Late Permian-Mesozoic continental rifting are referred to as the most common representative of the ''Verrucano tectofacies''. The Verrucano-type successions exposed in southern Tuscany are diachronous, spanning from Triassic to earliest Jurassic in age, and accumulated within the Tuscan domain, a paleogeographic region of continental crust that due to the opening of the Piedmont-Ligurian ocean formed part of the Adria passive-margin. They belong to the metamorphic Verrucano Group and the non-metamorphic Pseudoverrucano fm. Viewed overall, these Verrucano-type successions appear to manifest five episodes or pulses of an ongoing continental rifting. With the exception of the first episode that developed entirely within a terrestrial setting, each one is represented by basal Verrucano-type continental siliciclastics overlain by compositionally mixed marine deposits, which resulted from four diachronous, post-Middle Triassic transgressions. This suite of tectonic pulses produced the progressive westward widening (backstepping) of the Tuscan domain in the rifting south-Tuscany area.

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“…The extensional post-collisional phase started in the Early-Mid dle Mio cene with the de vel op ment of low-an gle normal faults (Carmignani and Kligfield, 1990;Jolivet et al, 1991;Elter and Sandrelli, 1994), which caused a crustal stretch ing of 120% or more (Carmignani and Kligfield, 1990). The extensional re gime per sisted up to re cent times (Early Plio cene to Qua ter nary) re sult ing in the de vel op ment of high-an gle normal and transtensional faults, that caused a less sub stan tial stretch ing (about 10%) but that strongly in flu enced the present-day mor pho log i cal set tings of the In ner North ern Appennines (i.e., the "horst and graben" struc ture, Carmignani et al, 2001;Brogi, 2003).…”

Section: Geological Outlinementioning

confidence: 99%

Clay minerals in cave sediments and terra rossa soils in the Montagnola Senese karst massif (Italy)

Iacoviello

Martini

2013

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Inner Northern Apennines

Cited by 66 publications

References 0 publications

Onset of temperate carbonate sedimentation during transgression in a low-energy siliciclastic embayment (Pliocene of the Val d’Orcia Basin, Tuscany, Italy)

Onset of temperate carbonate sedimentation during transgression in a low-energy siliciclastic embayment (Pliocene of the Val d’Orcia Basin, Tuscany, Italy)

The Mesozoic continental rifting in the Mediterranean area: insights from the Verrucano tectofacies of southern Tuscany (Northern Apennines, Italy)

Clay minerals in cave sediments and terra rossa soils in the Montagnola Senese karst massif (Italy)

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