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An integrated stratigraphic record of the Palaeocene–lower Eocene at Gubbio (Italy): new insights into the early Palaeogene hyperthermals and carbon isotope excursions
Author(s) -
Coccioni Rodolfo,
Bancalà Giuseppe,
Catanzarit Rita,
Fornaciari Eliana,
Frontalini Fabrizio,
Giusberti Luca,
Jovane Luigi,
Luciani Valeria,
Savian Jairo,
Sprovieri Mario
Publication year - 2012
Publication title -
terra nova
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.353
H-Index - 89
eISSN - 1365-3121
pISSN - 0954-4879
DOI - 10.1111/j.1365-3121.2012.01076.x
Subject(s) - geology , paleogene , paleontology , magnetostratigraphy , stratigraphy , biostratigraphy , isotopes of carbon , ecological succession , group (periodic table) , paleomagnetism , isotope , structural basin , tectonics , ecology , chemistry , physics , organic chemistry , quantum mechanics , biology
Terra Nova, 24, 380–386, 2012 Abstract A high‐resolution, integrated stratigraphic framework (stable isotope stratigraphy, standard calcareous nannofossil and foraminiferal biostratigraphy, magnetostratigraphy) together with geochemical and rock magnetic properties’ analyses of a complete and well‐preserved succession at Contessa Valley (Gubbio, central Italy) have offered an excellent opportunity to identify and constrain the Palaeocene to early Eocene hyperthermals and carbon isotope excursions (CIEs). In addition, we provide the first evidence in the Tethys Ocean of CIEs, previously identified in the Pacific, Atlantic and Southern Oceans, highlighting their global significance and of some unknown CIEs. Their characteristics are compared with those reported for deep‐sea cores and other land‐based sections to test whether the signature associated with CIEs documented in our composite section might give evidence for tracing them over wider areas. The Contessa composite section thus represents a reference succession also for insight into the magnetobiochronostratigraphy and the magnitude of early Palaeogene hyperthermals and CIEs.