Geology of the Northern Simbruini Mts. (Abruzzo – Italy)

Fabbi, Simone

doi:10.1080/17445647.2016.1237899

Cited by 15 publications

(34 citation statements)

References 14 publications

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“…This is the second of two companion geological maps of the Simbruini Mts., the first (northern Simbruini Mts.) having already been published (Fabbi, 2016). Due to this, obvious similarities occur in the text, concerning the stratigraphic description and the geological setting.…”

Section: Introductionmentioning

confidence: 98%

“…Watersi, Haplophragmoides cf. globosus, Istriloculina sp., Moesiloculina histri, Nezazzata isabellae, Novalesia sp., Paleocornuloculina lepina, Paleosigmoilopsis appenninica, Praechrysalidina infracretacea, Pseudonummoloculina sp., Sabaudia auruncensis, S. capitata, S. minuta, Salpingoporella dinarica, Sellialveolina viallii, Spiroloculina cenomana, Thaumatoporella sp., Trochamminoide coronus, Valvulineria sp., miliolacea, ostracods and fragments of bivalves (Fabbi, 2013(Fabbi, , 2016. The thickness of this unit is about 600 m.…”

Section: Carbonate Platform Successionmentioning

confidence: 99%

“…The microfossils assemblages include Accordiella conica, Cuneolina spp., Decastronema barattoloi, Moncharmontia appenninica, Nezazzatinella sp., Nummoloculina sp., Pseudocyclammina cf. sphareoidea, Pyrgo sp., Thaumatoporella sp., ostracods, discorbacea, nubecularidae and rotaliidae (Fabbi, 2013(Fabbi, , 2016. This unit only crops out in limited areas and no complete sections are exposed, so that the thickness (which should exceed 600 m - Damiani et al, 1998;Compagnoni et al, 2005;Fabbi, 2016) cannot be precisely determined.…”

Section: Carbonate Platform Successionmentioning

confidence: 99%

“…'; CTLA = 'complesso torbiditico altomiocenico Laziale-Abruzzese'. Modified after Fabbi and Rossi (2014) and Fabbi (2016). Santantonio, 2018), a further shift occurred from marine to continental sedimentation.…”

Section: Stratigraphy and Geological Setting Of The Mapped Areamentioning

confidence: 99%

“…(Devoto, 1967) represents the lateral equivalent of the 'unità argilloso-marnosa' and the 'complesso torbiditico altomiocenico laziale abruzzese' (Fabbi & Rossi, 2014 and references therein;Fabbi, 2016). This unit is markedly clastic and results from the dismantling of the margins of a prominent structural high existing in the area during the late Miocene ( Figure 5) (Carminati et al, 2014;Critelli et al, 2007;Fabbi, 2013Fabbi, , 2016Fabbi & Rossi, 2014).…”

Section: Terrigenous Successionmentioning

confidence: 99%

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Geology of the eastern slopes of the Simbruini Mts. between Verrecchie and Capistrello (Central Apennines – Abruzzo, Italy)

Fabbi

2018

Journal of Maps

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This paper presents the results of a geological mapping project across the eastern Simbruini Mts. and the higher Roveto Valley (Central Apennines). The study area belongs to the Latium-Abruzzi Domain, which is characterized by a Cretaceous and Miocene carbonate platform succession followed by a thick upper Miocene terrigenous succession. A unique feature of the study area is the existence of a thick clastic unit, the 'brecce della Renga fm.'; this unit was produced by the dismantling of the margins of a large pre-orogenic extensional structural high, which rose within the foredeep basin starting in the early Tortonian. Following the Messinian-Pliocene Apennine chain building phase, the area was subjected to post-orogenic Quaternary extension, related to the opening of the Tyrrhenian sea. A geological map on the 1:20,000 scale illustrates the main stratigraphic and structural features of the area. ARTICLE HISTORY

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Section: Introductionmentioning

confidence: 98%

Section: Carbonate Platform Successionmentioning

confidence: 99%

Section: Carbonate Platform Successionmentioning

confidence: 99%

Section: Stratigraphy and Geological Setting Of The Mapped Areamentioning

confidence: 99%

Section: Terrigenous Successionmentioning

confidence: 99%

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Geology of the eastern slopes of the Simbruini Mts. between Verrecchie and Capistrello (Central Apennines – Abruzzo, Italy)

Fabbi

2018

Journal of Maps

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First report of a Messinian coralgal facies in a terrigenous setting of Central Apennines (Italy) and its palaeogeographic significance

Fabbi

Santantonio

2018

Geological Journal

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The upper Miocene dominantly terrigenous succession cropping out at Monte San Fabrizio (Simbruini Mts.) shows peculiar, previously unreported bio‐sedimentological features, which bring fresh elements in a regional palaeogeographic/palaeotectonic key. Overlying the regional foredeep succession, an array of different lithofacies either form mappable outcrops or occur as clasts, remarkably not referable to any stratigraphic units already known in the Central Apennines. These lithologies, which include coral‐bearing siliciclastic sediments, mixed carbonate/siliciclastic deposits with benthic macrofaunas, rhodalgal facies, and conglomerates, essentially made of Mesozoic pelagic lithoclasts, are here grouped in a comprehensive informal unit, called Monte San Fabrizio Unit (MSFU). The most striking feature of the MSFU is a coralgal facies characterized by the occurrence of zooxanthellate (z) corals (Porites and Siderastrea crenulata). While the age of these deposits is not directly determinable due to the lack of biostratigraphic markers, their composition and field relationships clearly place their origin within a late‐orogenic setting: only the uplift, subaerial exposure, and erosion of large portions of the pre‐orogenic stratigraphy, also belonging to different geological domains, and subsequent sediment transport by rivers, can account for the heterogeneous composition of the conglomerates. Their sedimentological characters (i.e., shape and size of the clasts) suggest reworking of the pebbles in a shore environment. A shallow marine photic environment is confirmed by the presence of z‐corals, red algae, and abundant macrofauna. The occurrence of Porites and Siderastrea crenulata represents the first occurrence of corals subsequent to the drowning of the bryozoan limestone carbonate factory, being the youngest occurrence of corals in the Central Apennines and the first ever post‐Burdigalian z‐corals described in the region. This also constrains the age of the MSFU as early–middle (pre‐evaporitic) Messinian, due to the almost total demise of z‐corals known in the Mediterranean in response to the Messinian Salinity Crisis. In conclusion, sedimentology, palaeobiology, and field geology all point to a shallow‐water environment, close to a shoreline, for the MSFU. This unit can be interpreted as representing the vestiges of an ephemeral depositional environment, such as a small wedge‐top basin, an evidence that this portion of the Apennine chain was already structured in the early–middle Messinian.

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