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Integrated stratigraphy (magneto-, bio- and chronostratigraphy) and geochronology of the Palaeogene pelagic succession of the Umbria–Marche Basin (central Italy)

By
Rodolfo Coccioni
Rodolfo Coccioni
Dipartimento di Scienze della Terra, della Vita e dell’Ambiente, Università degli Studi di Urbino ‘Carlo Bo’, Campus Scientifico ‘E. Mattei’, Località Crocicchia, 61029 Urbino, Italy
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Marianna Sideri
Marianna Sideri
Dipartimento di Scienze della Terra, della Vita e dell’Ambiente, Università degli Studi di Urbino ‘Carlo Bo’, Campus Scientifico ‘E. Mattei’, Località Crocicchia, 61029 Urbino, Italy
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Giuseppe Bancalà
Giuseppe Bancalà
Dipartimento di Scienze della Terra, della Vita e dell’Ambiente, Università degli Studi di Urbino ‘Carlo Bo’, Campus Scientifico ‘E. Mattei’, Località Crocicchia, 61029 Urbino, Italy
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Rita Catanzariti
Rita Catanzariti
Istituto Geoscienze e Georisorse CNR, 56124 Pisa, Italy
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Fabrizio Frontalini
Fabrizio Frontalini
Dipartimento di Scienze della Terra, della Vita e dell’Ambiente, Università degli Studi di Urbino ‘Carlo Bo’, Campus Scientifico ‘E. Mattei’, Località Crocicchia, 61029 Urbino, Italy
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Luigi Jovane
Luigi Jovane
Instituto Oceanográfico, Universidade de São Paulo, 05508–090 São Paulo, Brazil
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Alessandro Montanari
Alessandro Montanari
Osservatorio Geologico di Coldigioco, 62021 Apiro, Italy
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Jairo Savian
Jairo Savian
Departamento de Geofísica, Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, 05508–090 São Paulo, Brazil
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Published:
January 01, 2013

Abstract

Extensive outcrops in the Umbria–Marche Basin of central Italy include some of the most complete successions of Palaeogene sediments known from the Tethyan Realm. Owing to the continuous deposition in a pelagic setting, a rather modest tectonic overprint, the availability of excellent age control through magneto-, bio-, chemo- and tephrostratigraphy, and direct radioisotopic dates from interbedded volcaniclastic layers, these sediments have played a prominent role in the establishment of standard Palaeogene time scales. We present here a complete and well-preserved Palaeogene pelagic composite succession of the Umbria–Marche Basin, which provides the means for an accurate and precise calibration of the Palaeogene time scale. As a necessary step towards the compilation of a more robust database on a wide scale so as to improve the magneto-, bio- and chronostratigraphic framework of the classical southern Tethyan zonations, enabling regional and supraregional correlations, we have constructed a record of reliable Palaeogene planktonic foraminifera, calcareous nannofossil and dinocyst biohorizons commonly used in tropical to subtropical Cenozoic zonations. In addition, an age model is provided for the Palaeogene pelagic composite succession based on magnetostratigraphy, planktonic foraminifera and calcareous nannofossils, which contributes to an integrated chronology for the Palaeogene Tethyan sediments from c. 65.5 to 23 Ma.

Supplementary material:

Tables 1 to 13 which provide further details of the Palaeogene pelagic succession of the Umbria–Marche Basin (central Italy) are available at http://www.geolsoc.org.uk/SUP18539

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Contents

Geological Society, London, Special Publications

Magnetic Methods and the Timing of Geological Processes

L. Jovane
L. Jovane
Universidade de Saão Paulo, Brazil
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E. Herrero-Bervera
E. Herrero-Bervera
University of Hawaii at Manoa, USA
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L.A. Hinnov
L.A. Hinnov
Johns Hopkins University, USA
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B. Housen
B. Housen
Western Washington University, USA
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Geological Society of London
Volume
373
ISBN electronic:
9781862396364
Publication date:
January 01, 2013

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