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|Titolo:||Scontrone (central Italy), signs of a 9-million-year-old tragedy|
|Autori interni:||MAZZA, PAUL|
|Data di pubblicazione:||2015|
|Abstract:||The fossilierous bonebeds of Scontrone (Abruzzo Region, central Italy) are preserved in tidal-flat eolian calcarenites at the base of the Lithothamnion Limestone, a Miocene carbonate-ramp widespread in the central-southern Apennines. The site bears evidence of a catastrophic event at 9 Ma. Reported are the results of the paleobiological and taphonomic analysis conducted on the rich vertebrate assemblage, particularly on the remains of Hoplitomeryx (Mammalia, Artiodactyla, Ruminantia), recovered from the so-called “Scontrone calcarenites” between 1992 and 2012. This is the first taphonomc study of a late Miocene continental bone assemblage preserved in coastal deposits. The bones are not in primary context. They were likely exhumed during the initial phase of a marine transgression after a period of primary 'storage' within a possibly flood-generated deposit in an estuarine environment. The mortality patterns indicate that the carcasses accumulated in a short time (within a year). The bones of the disarticulated skeletons were then removed, broken in a dry and brittle state, scattered over wide carbonate-ramps along an arid to semi-arid, wind-exposed coastline, and eventually buried again in eolian calcarenites that drape transgressive tidal-flat creek deposits. The analysis also reveals that hoplitomerycids were possibly seasonal reproducers, and that the land they inhabited, the so-called Apulia Platform, was probably swept by sudden, disastrous, storm-supplied flash floods.|
|Appare nelle tipologie:||1a - Articolo su rivista|
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