Ichnocoenoses in the Oligocene to Miocene foredeep basins (Northern Apennines, central Italy) and their relation to turbidite deposition

• Autorzy: Monaco P. , Checconi A. , Milighetti M.
• Języki publikacji: EN

Abstrakty

EN

Analysis of trace fossil abundance and diversity in the Oligocene to Miocene foredeep and piggyback basins of the Tuscan-Romagna-Umbrian Apennines allows us to recognize five ichnocoenoses. The deposits reflect sedimentary environments from slope to basin plain, whose sedimentation was directly controlled by synsedimentary tectonics: attached fan lobes and channels, lobe- and channel-fringes, overbank-fringes of intrabasinal highs, distal detached lobes of basin plain and slope-proximal interfans. The graphoglyptid: non-graphoglyptid ratio has been considered as the chief factor in the study of ichnologic material from Falterona-Cervarola-Trasimeno, Marnosoarenacea and Marne di Vicchio-Verghereto stratigraphic units. The study shows that there is an increase in ichnodiversity and ichnodensity of graphoglyptids, which are typical mainly in detached lobes of basin plain and overbank-levee deposits whose background ichnofauna also shows better preservation.

Słowa kluczowe

EN

burrows; Foredeep basins; Ichnocoenoses; Italy; Northern Apennines; Trace fossils; turbidites

PL

Apeniny; nora; skamieniałości śladowe; turbidyt; Włochy

• Wydawca: Faculty of Geology of the University of Warsaw ; Komitet Nauk Geologicznych PAN
• Czasopismo: Acta Geologica Polonica
• Rocznik: 2010
• Tom: Vol. 60, no. 1
• Strony: 53--70
• Opis fizyczny: Bibliogr. 77 poz.,Fot., rys., tab.,Tabl.

Twórcy

autor

Monaco P.

autor

Checconi A.

autor

Milighetti M.

• Dipartimento di Scienze della Terra, Universita degli Studi di Perugia; Piazza dell.Universita 1, 06100 Perugia, Italy,

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