Calcareous Plankton Biostratigraphy of the Santonian-Campanian Boundary Interval in the Bottaccione Section (Umbria-Marche Basin, Central Italy)

Miniati, Francesco; Petrizzo, Maria Rose; Falzoni, Francesca; Erba, Elisabetta

doi:10.13130/2039-4942/14399

Cited by 3 publications

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“…Translating these biozonal dates into geological time is not straightforward, since diachroneity has been demonstrated for several of the first and last occurrences used to define the zonal boundaries, and basin to basin correlations, even within the Boreal Realm, for the Santonian have proved challenging. However, major advancements have been made in the last decade (see e.g., Thibault et al, 2016;Ovechkina et al, 2020;Miniati et al, 2020;Gale et al, 2021), leading, amongst other things, to the formal definition of a GSSP for the base of the Campanian (Gale et al, 2023), which is in the Bottacione section at Gubbio, Italy, at the 221.53 m level, corresponding to the magnetic polarity reversal from Chron C34n (top of Long Cretaceous Normal Polarity-Chron) to Chron 33r. The reversal, together with the late Santonian event (LSE, previously named Santonian-Campanian Boundary Event, or SCBE) in carbon isotopes and several bio-events (mostly foraminifera and calcareous nannofossils), should allow correlations with other Santonian-Campanian boundary sections worldwide (see Gale et al, 2023 for details).…”

Section: Biostratigraphy and Age Of The 'Smectite De Herve' Interval ...mentioning

confidence: 99%

A Santonian record of the nautilid cephalopod Angulithes westphalicus (Schlüter, 1872) from the subsurface of the Campine, north-east Belgium, with comments on regional lithostratigraphic problems

GOOLAERTS,

MOTTEQUIN

2023

Geol. Belg.

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Newly recognised material of the Late Cretaceous nautilid Angulithes westphalicus (Schlüter, 1872) is described from the subsurface of the eastern part of the Campine in north-east Belgium. This constitutes the first formal documentation of this genus and species from the Cretaceous of Belgium, having been identified amongst a large suite of fossils collected from the Voort Shafts I & II of the Zolder colliery during the first half of the twentieth century. The specimens originate from an interval of marine calcareous sand with a marly glauconiferous base, dated as late middle Santonian (Gonioteuthis westfalicagranulata belemnite Zone) and for which a deepening of the depositional environment is documented. Lithostratigraphically, the specimens occur within the Vaals Formation, within the upper part of the Asdonk Member or alternatively within the lower part of the Sonnisheide Member. The early Campanian age of the Asdonk Member suggested previously is refuted, the age of the Sonnisheide Member needs further study. The position of the siphuncle in A. westphalicus is illustrated for the first time; it is positioned closer to the venter than the dorsum, which confirms the close evolutionary relationship with Angulithes galea (Fritsch in Fritsch & Schlönbach, 1872), which ranges from the upper Turonian to middle Coniacian in central Europe.

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Section: Biostratigraphy and Age Of The 'Smectite De Herve' Interval ...mentioning

confidence: 99%

A Santonian record of the nautilid cephalopod Angulithes westphalicus (Schlüter, 1872) from the subsurface of the Campine, north-east Belgium, with comments on regional lithostratigraphic problems

GOOLAERTS,

MOTTEQUIN

2023

Geol. Belg.

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“…Therefore, although the topmost sediments of the Cretaceous interval in Holes U1513A and U1513B were previously dated Santonian‐earliest Campanian by Huber et al. ( 2019a ), re‐examination of the calcareous plankton assemblages revealed the absence of the marker taxa used to identify the base of the Campanian (see discussion in Miniati et al., 2020 ). Thus, the Santonian‐Campanian boundary interval is interpreted to be missing at Site U1513 and the hardground that overlies the Cretaceous sediments corresponds to a hiatus that spans from the upper Santonian to Miocene (Figure 2 ).…”

Section: Calcareous Plankton Bioevents and Integrated Biostratigraphymentioning

confidence: 99%

Late Cretaceous Paleoceanographic Evolution and the Onset of Cooling in the Santonian at Southern High Latitudes (IODP Site U1513, SE Indian Ocean)

Petrizzo

MacLeod

Watkins

et al. 2022

Paleoceanog and Paleoclimatol

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The latest Cenomanian to Santonian sedimentary record recovered at IODP Expedition 369 Site U1513 in the Mentelle Basin (SE Indian Ocean, paleolatitude 60°S at 85 Ma) is studied to interpret the paleoceanographic evolution in the Southern Hemisphere. The planktonic foraminiferal assemblage changes, the depth ecology preferences of different species, and the surface and seafloor temperature inferred from the stable isotopic values measured on foraminiferal tests provide meaningful information to the understanding of the Late Cretaceous climate. The hothouse climate during the Turonian‐Santonian, characterized by weak latitudinal temperature gradients and high atmospheric CO2 concentrations, is followed by a progressive cooling during the Campanian. At Site U1513 the beginning of this climatic transition is nicely recorded within the Santonian, as indicated by an ∼1‰ increase in δ18O values of planktonic foraminifera suggesting a decline in surface water paleotemperatures of 4°C. The onset of cooling is mirrored by changes in the planktonic foraminiferal assemblages including extinctions among surface and deep dwellers, appearances and diversification of newly evolving taxa, and changes from predominantly epifaunal oxic to infaunal dysoxic/suboxic taxa among co‐occurring benthic foraminifera. Overall, the data presented here document an interval in the Santonian during which the rate of southern high latitude cooling increased. Both surface and bottom waters were affected, although the cooling signal is more evident in the data for surface waters. This pattern of cooling ascribes the deterioration of the Late Cretaceous climate to decreased CO2 in the atmosphere and changes in the oceanic circulation correlated with enhanced meridional circulation.

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Planktonic Foraminiferal Biostratigraphy of the Upper Cretaceous of the Central European Basin

2022

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Planktonic foraminifera are one of the most stratigraphically important groups of organisms for the Cretaceous system. However, standard foraminiferal zonations based mostly on species from the Tethyan bioprovince are hardly applicable in temperate regions where warm-water taxa are scarce or lacking. We propose a foraminiferal zonation based on foraminiferal events recognized in the northern Foraminiferal Transitional Bioprovince, which likely has a high correlation potential at least at a regional scale. Fifteen planktonic foraminiferal zones are distinguished from the upper Albian up to the uppermost Maastrichtian strata in extra-Carpathian Poland and western Ukraine. From the bottom to the top, Thalmanninella appenninica, Th. globotruncanoides, Th. reicheli, Rotalipora cushmani, Whiteinella archaeocretacea, Helvetoglobotruncana helvetica, Marginotruncana coronata, M. sinuosa, Pseudotextularia nuttalli, Globotruncana linneiana, G. arca, Contusotruncana plummerae, Rugoglobigerina pennyi, Globotruncanella petaloidea and Guembelitria cretacea. These zones are calibrated by macrofaunal zonations.

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Calcareous Plankton Biostratigraphy of the Santonian-Campanian Boundary Interval in the Bottaccione Section (Umbria-Marche Basin, Central Italy)

Cited by 3 publications

References 0 publications

A Santonian record of the nautilid cephalopod Angulithes westphalicus (Schlüter, 1872) from the subsurface of the Campine, north-east Belgium, with comments on regional lithostratigraphic problems

A Santonian record of the nautilid cephalopod Angulithes westphalicus (Schlüter, 1872) from the subsurface of the Campine, north-east Belgium, with comments on regional lithostratigraphic problems

Late Cretaceous Paleoceanographic Evolution and the Onset of Cooling in the Santonian at Southern High Latitudes (IODP Site U1513, SE Indian Ocean)

Planktonic Foraminiferal Biostratigraphy of the Upper Cretaceous of the Central European Basin

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