Middle Eocene to Middle Miocene planktonic foraminiferal biostratigraphy for internal basins (Monferrato and northern Apennines, Italy)

Mancin, Nicoletta; Pirini, Camilla; Bicchi, Erica; Ferrero, Elena; Valleri, G.

doi:10.1661/0026-2803(2003)049[0341:metmmp]2.0.co;2

Cited by 10 publications

(26 citation statements)

References 25 publications

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“…The M1 Zone is defined by the total range of Paragloborotalia kugleri and is subdivided into two subzones by the FO of Globoquadrina dehiscens (Berggren et al 1995;Wade et al 2011). These two biostratigraphic markers are fairly common in the Aquitanian successions throughout the Mediterranean (Bizon et al 1974;Krassheninnikov 1994;Iaccarino et al 1996;Menichini 1999;Toufiq & Feinberg 2000;Mancin & Pirini 2001;Hakyemez & Toker 2010). Although the lack of P. kugleri and G. dehiscens prevents a precise biozonal attribution to the mudstones overlying the SBZ 23 in the Tuzlagözü section, this interval is referable to a tentative M1 Zone (Fig.…”

Section: Foraminiferal Biostratigraphymentioning

confidence: 99%

Planktonic and benthic foraminiferal biostratigraphy of the Middle Eocene–Lower Miocene successions from the Sivas Basin (Central Anatolia, Turkey)

Hakyemez¹,

Özgen-Erdem²,

Kangal³

2016

Geologica Carpathica

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Planktonic and benthic foraminifera are described from the Middle Eocene-Lower Miocene successions in the Sivas Basin, Central Anatolia. An integrated foraminiferal zonation provides new age assignments in terms of a great number of taxa for the studied sections. Four biostratigraphical intervals are first recorded based on the concurrent ranges of sporadically occurring but well preserved planktonic foraminiferal assemblages. The first interval characterized by the co-occurrences of Acarinina bullbrooki, Truncorotaloides topilensis and Turborotalia cerroazulensis is referable to the E11 Zone of late Lutetian-early Bartonian. An assemblage yielding Paragloborotalia opima accompanied by Globigerinella obesa forms a basis for the late Chattian O5 Zone. The successive interval corresponds to the late Chattian O6 Zone indicated by the presence of Globigerina ciperoensis and Globigerinoides primordius along with the absence of Paragloborotalia opima. The early Aquitanian M1 Zone can be tentatively defined based mainly on the assemblage of Globigerina, Globigerinella, Globoturborotalita and Tenuitella. The biostratigraphical data obtained from the benthic foraminifera assign the studied sections to the SBZ 21-22, SBZ 23 and SBZ 24 ranging in age from Rupelian to Aquitanian. The SBZ 23 and 24 are well constrained biozones by the occurrences of Miogypsinella complanata and Miogypsina gunteri, respectively, whereas the SBZ 21-22 defined by nummulitids and lepidocylinids in the Tethyan Shallow Benthic Zonation is characterized dominantly by peneroplids, soritids and miliolids in the studied sections. Benthic foraminiferal assemblages suggest different paleoenvironments covering lagoon, algal reef and shallow open marine whereas planktonic foraminifera provides evidence for relatively deep marine settings on the basis of assemblages characterized by a mixture of small-sized simple and more complex morphogroups indicative for intermediate depths of the water column.

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Section: Foraminiferal Biostratigraphymentioning

confidence: 99%

Planktonic and benthic foraminiferal biostratigraphy of the Middle Eocene–Lower Miocene successions from the Sivas Basin (Central Anatolia, Turkey)

Hakyemez¹,

Özgen-Erdem²,

Kangal³

2016

Geologica Carpathica

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“…The aim of this paper is to show that the synthesis of the scheme proposed by Novaretti et al (1995) and Mancin and Pirini (2001), with minor changes, results in a new biozonation valid for the whole studied area and also for different tectonostratigraphic contexts. Moreover, the area of applicability of this scheme could also be extended to adjacent successions and to other coeval basins.…”

Section: Introductionmentioning

confidence: 94%

“…This scheme is based on a synthesis of quantitative analyses performed on the foraminiferal assemblages from 30 stratigraphic sections, cropping out over a distance of 300 km, between the Piedmont and the Northern Apennines. The proposed zonal scheme represents the synthesis, with minor changes, of the biozonations proposed by Novaretti et al (1995) and Mancin and Pirini (2001) with the addition of unpublished data from some new sections, spanning a broader temporal and geographical range. With respect to the previous regional and standard biozonations, this scheme shows a better biostratigraphical resolution resulting from the replacement of missing or unreliable standard bioevents with new "reproducible" and reliable regional biohorizons.…”

mentioning

confidence: 99%

Middle Eocene to Middle Miocene planktonic foraminiferal biostratigraphy for internal basins (Monferrato and northern Apennines, Italy)

Mancin

2003

Micropaleontology

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A planktonic foraminiferal zonal scheme is proposed for the internal basinal successions of the Monferrato and Northern Apennines (late Bartonian-early Serravallian). This scheme is based on a synthesis of quantitative analyses performed on the foraminiferal assemblages from 30 stratigraphic sections, cropping out over a distance of 300 km, between the Piedmont and the Northern Apennines. The proposed zonal scheme represents the synthesis, with minor changes, of the biozonations proposed by Novaretti et al. (1995) and Mancin and Pirini (2001) with the addition of unpublished data from some new sections, spanning a broader temporal and geographical range. With respect to the previous regional and standard biozonations, this scheme shows a better biostratigraphical resolution resulting from the replacement of missing or unreliable standard bioevents with new "reproducible" and reliable regional biohorizons. These new events are: LO of muricate species, which identifies the top of the Acarinina spp., Globigerinatheka spp. and Turborotalia cerroazulensis Assemblage Zone because Truncorotaloides rohri is very rare to absent; LO of Turborotalia cerroazulensis lineage, which marks the top of the Turborotalia cerroazulensis Interval Zone because the Hantkenina group is absent; LO of psuedohastigerinids, which marks the upper boundary of the Pseudohastigerina spp. Interval Zone because Cassigerinella chipolensis and Pseudohastigerina micra do not co-occur; the former appears later, in the Globigerina ampliapertura Zone, whereas the latter often disappears near the Eocene/Oligocene boundary; FCO of Paragloborotalia opima opima, which identifies the Paragloborotalia opima opima Subzone boundary (IFP21a/IFP21b) because the LO of Chiloguembelina cubensis is a weakly reliable event; FO of Globoquadrina dehiscens, which marks the Paragloborotalia kugleri Subzone boundary (IFN1a/IFN1b) because the FCO of the Globigerinoides group occurs later; LO of Paragloborotalia kugleri, which identifies the top of the P. kugleri Total Range Zone because the FO of Globigerinoides altiaperturus occurs later and finally, the FO of Globigerinoides trilobus, used to subdivide the interval between the LO of P. kugleri and the LO of Catapsydrax dissimilis, because Globigerinatella insueta is absent.Other homotaxial biohorizons have also been recognized and introduced among the primary bioevents. These "secondary events" can help in better placing zonal and subzonal boundaries when the primary events cannot be used and in the refinement of the correlations among the different sections.The validity of this proposal, in our view, consists in the general correspondence between the adopted bioevents and the standard zonal boundaries and therefore in an easy correlation with the various standard schemes. Moreover, the area of applicability of this biozonation could be extended to the surrounding basins and also to coeval Mediterranean successions.

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“…Benthic forams (Nuttalides trümpy, Anomalinoides alazanensis, Gyroidinoides girardanus e Vulvulina spinosa) confirmed the age (cfr. N. trümpy distribution in Mancin et al, 2003Mancin et al, , 2007. The depositional environment has been classically interpreted as epibathyal to bathyal (500-1000 m; Mougin, 1978;Charollois et al, 1980).…”

Section: Eocenementioning

confidence: 99%

Salt tectonics in the SW Alps (Italy–France): From rifting to the inversion of the European continental margin in a context of oblique convergence

et al. 2014

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Middle Eocene to Middle Miocene planktonic foraminiferal biostratigraphy for internal basins (Monferrato and northern Apennines, Italy)

Cited by 10 publications

References 25 publications

Planktonic and benthic foraminiferal biostratigraphy of the Middle Eocene–Lower Miocene successions from the Sivas Basin (Central Anatolia, Turkey)

Planktonic and benthic foraminiferal biostratigraphy of the Middle Eocene–Lower Miocene successions from the Sivas Basin (Central Anatolia, Turkey)

Middle Eocene to Middle Miocene planktonic foraminiferal biostratigraphy for internal basins (Monferrato and northern Apennines, Italy)

Salt tectonics in the SW Alps (Italy–France): From rifting to the inversion of the European continental margin in a context of oblique convergence

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