Arid versus wet climatic evidence in the “middle Cretaceous” calcareous successions of the Southern Apennines (Italy)

Simone, Lucia; Bravi, Sergio; Carannante, Gabriele; Masucci, Ilaria; Pomoni-Papaioannou, Fotini

doi:10.1016/j.cretres.2012.01.005

Cited by 24 publications

(15 citation statements)

References 32 publications

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“…Occurrence: Hemicyclammina sigali was described by Maync (1953) from the middle Cenomanian of the Constantine Province in Algeria. This species is recorded in Portugal by Hart et al (2005), Italy (Simone et al, 2012), Turkey (Bignot and Poisson, 1974), Iran (Shirazi, 2009), Syria (Mouty et al, 2003), Jordan (Weidich and Al-Harithi, 1990), and Brazil (Berthou and Bengtson, 2007). VSLPP in the Llanos del Carmen Subfamily Choffatellinae Maync, 1958 Genus Pseudocyclammina Yabe andHanzawa, 1926 Type species: Cyclammina lituus Yokohama, 1890…”

Section: Pmentioning

confidence: 92%

“…Ismail et al (2009) recorded it in the late Cenomanian. This species has been recorded from the Cenomanian in Italy (Simone et al, 2012), Croatia (Husinec et al, 2000), and Turkey (Sari et al, 2009); Syria (Ghanem et al, 2012). In Mexico, it has been found in the Chiapas Platform (Michaud, 1987) and the Guerrero Platform (Aguilera-Franco, 2003).…”

Section: Paleoecology and Paleoenvironmentmentioning

confidence: 99%

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Mid-late Cenomanian larger benthic foraminifers from the El Abra Formation, Valles-San Luis Potosí Platform, central-eastern Mexico: Taxonomy, biostratigraphy and paleoenvironmental implications

Omaña¹,

López-Doncel²,

Torres³

et al. 2019

BOL. SOC. GEOL. MEX.

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Section: Pmentioning

confidence: 92%

Section: Paleoecology and Paleoenvironmentmentioning

confidence: 99%

Mid-late Cenomanian larger benthic foraminifers from the El Abra Formation, Valles-San Luis Potosí Platform, central-eastern Mexico: Taxonomy, biostratigraphy and paleoenvironmental implications

Omaña¹,

López-Doncel²,

Torres³

et al. 2019

BOL. SOC. GEOL. MEX.

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“…A relative uniformity of facies existed over the AppCP for most of the Cretaceous. However, a marked difference is evident in the Albian-Turonian time-interval: while several areas experienced prolonged phases of subaerial exposure, witnessed by bauxitic and paleokarstic deposits (Mindszenty et al 1995;Carannante et al 2009), others were characterized by persistent carbonate platform sedimentation (Frijia and Parente 2008;Parente et al 2007Parente et al , 2008Simone et al 2012).…”

Section: Paleogeography and Lithostratigraphy Of The Carbonate Unitsmentioning

confidence: 99%

Facies and early dolomitization in Upper Albian shallow-water carbonates of the southern Apennines (Italy): paleotectonic and paleoclimatic implications

Iannace

Frijia

Galluccio

et al. 2013

Facies

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Thick successions of Cretaceous carbonates in the southern Apennines of Italy are of great economic interest since they host important aquifers and huge hydrocarbon accumulations. The reservoir of the Val d???Agri and Tempa Rossa oilfields (in the subsurface of Basilicata) consists of Upper Cretaceous rudist-rich lime- stones passing downward into mid-Cretaceous dolomitized limestones of restricted platform facies. Upper Albian- Lower Cenomanian dolomitized carbonates exposed in the Sorrento Peninsula and in the Cilento Promontory, part of the Apennine Carbonate Platform, represent a good surface analogue for the lower part of the reservoir. They are composed of meter-thick beds of stratabound dolomite and shallowing-upward cycles of restricted platform limestones capped by silicified evaporites and marly levels. Field relations, petrography, and geochemistry implicate the reflux of penesaline waters as the most probable dolomi- tization process. High-frequency climatic variability between dry and wet phases can explain the formation of evaporites, which are coeval with karstic bauxites in other sectors of the southern Apennines. The dolomitized car- bonates of the Sorrento Peninsula pass laterally into do- lomitized breccias, which were the result of local tectonic collapse of the platform. This is further evidence of mid- Cretaceous syn-sedimentary tectonics that in other areas of the Adria passive margin contributed to the formation of intraplatform basins where source rocks accumulated

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“…Shales from the Crato Formation showed low amounts of TS, making δ 34 S analyses impossible; however, their results suggest lacustrine systems in a dominantly freshwater environment. For its turn, Ipubi Formation presented characteristics of an environment rich in saline to hypersaline water, with Type I kerogen and sulfur isotopes relatively enriched in 32 S in the shales (due to a reducing bacterial activity) and 34 S in the adjacent evaporites, an association suggestive of marine influence. In the Romualdo Formation, half of the samples of shale presented affinity with saline to hypersaline water; moreover, kerogen oscillated between types I and II, and with sulfur isotopic values of −9.83‰ and −10.06‰, and thus may characterize the shales in a depositional system varying from eventually to dominantly-reached by marine water inputs.…”

Section: Discussionmentioning

confidence: 99%

Organic and Isotopic Geochemistry of Evaporites and Shales of the Santana Group (Araripe Basin, Brazil): Clues on the Evolution of Depositional Systems and Global Correlation during the Lower Cretaceous

et al. 2021

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Even being the more studied of the interior basins of Northeast Brazil, the Araripe Basin still lacks research in organic geochemistry designed to support interpretations of depositional systems and conditions of formation. This work aims to investigate the organic behavior of evaporites and shales from the Santana Group (Lower Cretaceous), as well as discuss their role in the evolution of its depositional systems. A total of 23 samples, 17 shales and six evaporites, were collected in outcrops and quarries. Analyses of Total Organic Carbon (TOC), Total Sulfur (TS), Rock Eval pyrolysis, and the δ34S isotope ratio were performed. The TOC results revealed high organic content for seven intervals, of which only five had high TS content. From the Rock Eval pyrolysis, dominance of the Type I kerogen was verified, thus corresponding to the best type of organic matter (mainly algal) for the generation of liquid and gaseous hydrocarbons. The Lower Cretaceous (probably Aptian) response to the progressive evolution in redox conditions is linked to a remarked Oceanic Anoxic Event (OAE-1a). The TOC/TS ratio suggests variable palaeosalinity, indicating most of the shales were formed under brackish waters with saline influence, yet tending to increase the salinity upwards where hypersaline conditions dominate in the Ipubi Formation. The isotope data also suggest the occurrence of marine ingressions in the depositional systems even prior to the well-documented event of the Romualdo Formation.

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Arid versus wet climatic evidence in the “middle Cretaceous” calcareous successions of the Southern Apennines (Italy)

Cited by 24 publications

References 32 publications

Mid-late Cenomanian larger benthic foraminifers from the El Abra Formation, Valles-San Luis Potosí Platform, central-eastern Mexico: Taxonomy, biostratigraphy and paleoenvironmental implications

Mid-late Cenomanian larger benthic foraminifers from the El Abra Formation, Valles-San Luis Potosí Platform, central-eastern Mexico: Taxonomy, biostratigraphy and paleoenvironmental implications

Facies and early dolomitization in Upper Albian shallow-water carbonates of the southern Apennines (Italy): paleotectonic and paleoclimatic implications

Organic and Isotopic Geochemistry of Evaporites and Shales of the Santana Group (Araripe Basin, Brazil): Clues on the Evolution of Depositional Systems and Global Correlation during the Lower Cretaceous

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