A new terrestrial plant-rich Fossil-Lagerstätte from the middle Cenomanian (Late Cretaceous) of the Apennine Carbonate Platform (Magliano Vetere, southern Italy): Depositional and palaeoenvironmental settings

Bartiromo, Antonello; Graziano, Roberto; Raspini, Arturo; Bravi, Sergio

doi:10.1016/j.sedgeo.2019.04.010

Cited by 5 publications

(6 citation statements)

References 122 publications

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“…Normally, it is not in the framboidal form associated with carbonaceous seams (e.g. Peiffer et al ., 2015; Rickard, 2019) as also observed in the middle Cenomanian Magliano Plattenkalk of the ApCP (Bartiromo et al ., 2019). Frequently, pyrite forms knobby, cauliflower‐like subspherical aggregates with a spongy ultrastructure where many internal pore spaces of different size (2 to 10 μm) and shape (from subspherical to irregular) contain micrite showing the same petrographical features and chemical composition of the surrounding lime matrix and a sharp contact with pyrite aggregates (Fig.…”

Section: Results and Interpretationsmentioning

confidence: 99%

“…Furthermore, windblown pyroclastic material may have favoured the growth and preservation of diversified plants and abundant organic matter at Pietraroja (cf. Haworth & McElwain, 2008; Longman et al ., 2019), as in the case of the subaerially exposed coastal areas of the middle Cretaceous ApCP (Bartiromo et al ., 2012, 2019; Graziano et al ., 2016).…”

Section: Discussionmentioning

confidence: 99%

“…Taken together, these lines of evidence point to overall arid conditions during the deposition of the lower Plattenkalk interval which were rapidly, though gradually, replaced by a moderately humid and warm climate during the upper Plattenkalk interval. The variable amount of millimetre‐sized charcoal within some marly interlayers of the middle and upper intervals suggests that wildfires were an active process in the coastal depositional setting of Pietraroja, likely promoted by high atmospheric oxygen concentration (Glasspool & Scott, 2010; Brown et al ., 2012; Mays et al ., 2017; Bartiromo et al ., 2019; Xu et al ., 2022).…”

Section: Discussionmentioning

confidence: 99%

“…The eoalpine ApCP underwent multiple longterm exposures in the Aptian-Turonian p.p. with local development of bauxite and lacustrine or saltmarsh to evaporite deposits, depending on major shifts in hydroclimatic conditions (Mindszenty et al, 1995;Carannante et al, 2007;Simone et al, 2012;Graziano & Raspini, 2015;Graziano et al, 2016;Bartiromo et al, 2019). Distinct fossil Lagerst€ atten, 0.5 to 1.5 m thick on average, were therefore formed as major stratigraphic key markers during the longest sea-level lowstands in the Aptian-Cenomanian (Bravi et al, 2004;Bartiromo et al, 2012Bartiromo et al, , 2019Graziano et al, 2016).…”

Section: Geological Framework and Synthetic Stratigraphy Of The Pietr...mentioning

confidence: 99%

“…with local development of bauxite and lacustrine or saltmarsh to evaporite deposits, depending on major shifts in hydroclimatic conditions (Mindszenty et al, 1995;Carannante et al, 2007;Simone et al, 2012;Graziano & Raspini, 2015;Graziano et al, 2016;Bartiromo et al, 2019). Distinct fossil Lagerst€ atten, 0.5 to 1.5 m thick on average, were therefore formed as major stratigraphic key markers during the longest sea-level lowstands in the Aptian-Cenomanian (Bravi et al, 2004;Bartiromo et al, 2012Bartiromo et al, , 2019Graziano et al, 2016). Figure 2 reports the resulting continental and paralic fossiliferous Lagerst€ atten in the upper Aptian-lower Albian of the ApCP in the south-east Matese Mountains which is being increasingly referred to as a crucial area for understanding the high-frequency mid-Cretaceous palaeoclimatic dynamics in a supra-regional perspective (Graziano et al, 2016).…”

Section: Geological Framework and Synthetic Stratigraphy Of The Pietr...mentioning

confidence: 99%

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New insights into the palaeoenvironmental–palaeoclimatic significance and sedimentary dynamics of carbonate Lagerstätten: The lower Albian of Pietraroja (Southern Italy)

Graziano,

Raspini,

Bartiromo

2023

Sedimentology

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This study reports the first high‐resolution, integrated facies analysis of the lowermost Albian Pietraroja Lagerstätten (Apennine Carbonate Platform) which yields the first dinosaur (Scipionyx samniticus) found in Italy and other terrestrial vertebrates and plants. Aiming to clarify the long‐debated palaeoenvironmental significance of the Pietraroja succession, the following have been carried out: (i) a field survey to establish stratigraphic position and number of the fossil Lagerstätten; (ii) the centimetre‐scale facies analysis of a new section, ca 15 m‐thick, consisting of two new lithostratigraphic units, the ‘Cyclically organized Limestones’ and the ‘Cherty Limestones’; (iii) the scanning electron microscopy – energy dispersive X‐ray spectroscopy and backscattered electron – energy dispersive X‐ray spectroscopy analyses of clay mineral proxies for palaeoclimate and non‐carbonate grains; and (iv) the regional and supra‐regional investigation of the event stratigraphical context of the fossil Lagerstätten, in order to elucidate the controls on their formation. The section includes two out of the three observed fossil‐rich Lagerstätten, each up to 1.5 m‐thick. The arrangement of lithofacies and early diagenetic overprint defines shallow‐water depositional cycles suggestive of precession and short‐eccentricity periodicities. The Middle Lagerstätte yielding Scipionyx samniticus consists of three intervals. The lower, paralic interval was deposited during arid conditions and passes gradually to the plant‐rich, coastal wetland carbonaceous marls of the upper interval. The ‘Cherty Limestones’, yielding the Upper Lagerstätte with terrestrial vertebrates, contains two spiculitic intervals suggesting the development of siliceous sponge meadows in a shallow, restricted lagoon. Genetic stratigraphy suggests that the Pietraroja Lagerstätten were formed during glacioeustatic lowstands; interestingly, the Middle Lagerstätte mirrors the earliest Albian sea‐level lowstand (KAl1 event, ca 111.2 Myr), during a semi‐continuous supply of windblown volcaniclastics. Findings herein substantiate the pivotal role of paralic‐continental Lagerstätten for deriving high‐frequency palaeoclimatic dynamics and glacioeustacy from carbonate platform archives. The origin of Tethyan continental bridges between Africa and Europe during the late Aptian–earliest Albian cold interval is discussed.

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Section: Results and Interpretationsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Geological Framework and Synthetic Stratigraphy Of The Pietr...mentioning

confidence: 99%

Section: Geological Framework and Synthetic Stratigraphy Of The Pietr...mentioning

confidence: 99%

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New insights into the palaeoenvironmental–palaeoclimatic significance and sedimentary dynamics of carbonate Lagerstätten: The lower Albian of Pietraroja (Southern Italy)

Graziano,

Raspini,

Bartiromo

2023

Sedimentology

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Understanding an exceptional Afropollis‐dominated flora in the middle Cretaceous palaeotropics of the southern Tethys

El Atfy,

Coiffard,

El Beialy

et al. 2024

Papers in Palaeontology

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Afropollis is a common element in Cretaceous low‐latitude palynofloras ranging from the Barremian to the Cenomanian. Despite an abundant fossil record, its affinities are still elusive. Nine Afropollis‐rich subsurface samples from the Cenomanian Bahariya Formation in the northern part of the Western Desert of Egypt were palynologically analysed, and the palynoflora was compared with previously published material. The geographical distribution of Afropollis‐yielding strata was compared with known macrofloras. The Bahariya material yielded a distinct palynomorph assemblage dominated by an unusually high frequency of Afropollis jardinus, reaching up to 60.7% of the total palynomorph count. The dominance of A. jardinus may be ecologically related to a near‐coastal lacustrine or lagoonal environment. Its association with two kinds of macrofloras suggests that the plants producing A. jardinus may have been part of a tropical azonal vegetation type, either aquatic or mangrove‐like.

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First evidence of terrestrial plants in marine deposits from the upper Albian–Cenomanian of northeastern Spain (Teruel province) and their palaeogeographic and palaeoenvironmental implications

Sender,

Mampel,

Cobos

2024

Palaeobio Palaeoenv

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A new terrestrial plant-rich Fossil-Lagerstätte from the middle Cenomanian (Late Cretaceous) of the Apennine Carbonate Platform (Magliano Vetere, southern Italy): Depositional and palaeoenvironmental settings

Cited by 5 publications

References 122 publications

New insights into the palaeoenvironmental–palaeoclimatic significance and sedimentary dynamics of carbonate Lagerstätten: The lower Albian of Pietraroja (Southern Italy)

New insights into the palaeoenvironmental–palaeoclimatic significance and sedimentary dynamics of carbonate Lagerstätten: The lower Albian of Pietraroja (Southern Italy)

Understanding an exceptional Afropollis‐dominated flora in the middle Cretaceous palaeotropics of the southern Tethys

First evidence of terrestrial plants in marine deposits from the upper Albian–Cenomanian of northeastern Spain (Teruel province) and their palaeogeographic and palaeoenvironmental implications

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