U/Th dating of a tufa deposit from the Carsoli intramontane basin (Abruzzo, Italy)

Authors

  • Francesco Dramis Dipartimento di Scienze Geologiche, Università Roma Tre, Rome (Italy) Author
  • Michele Soligo Dipartimento di Scienze Geologiche, Università Roma Tre, Rome (Italy) Author
  • Elena Graciotti Consultant Geologist, Via della Grande Muraglia, 46 - 00144 Rome (Italy) Author
  • Maurizio D'Orefice APAT - Servizio Geologico d’Italia, Rome (Italy) Author
  • Roberto Graciotti APAT - Servizio Geologico d’Italia, Rome (Italy) Author

Keywords:

Tufa, U/Th dating, Quaternary, Intramontane basin, Apennine, Italy

Abstract

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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Published

2024-06-18

Issue

Section

Short communication

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