U/Th dating of a tufa deposit from the Carsoli intramontane basin (Abruzzo, Italy)
Keywords:
Tufa, U/Th dating, Quaternary, Intramontane basin, Apennine, ItalyAbstract
A few km far from the confluence of the Fioio Valley into the Carsoli basin, some hundreds m2 wide and ca. 1.5 m thick carbonatic deposit is present, embedded within late Middle Pleistocene alluvial gravels. The deposit formation might be related to sub-aerial deposition of CaCO3 (tufa) from emerging groundwater. A U/Th dating to 46 ± 6 ka BP constrains the deposit within the MIS 3, corresponding to a phase of warming between the MIS 4 and 2.
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Copyright (c) 2008 Francesco Dramis, Michele Soligo, Elena Graciotti, Maurizio D'Orefice, Roberto Graciotti (Author)

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