Based on refined mapping, detailed lithostratigraphy and review of previous studies, the sedimentary wedges accumulated in the so-called Barga and Castelnuovo G. basins are here described along with the distinguished formations. The Fornaci di Barga Clay, Sandstone and Conglomerate mainly consists of fi ne grained lithofacies intercalated whit coarse grained conglomerate and organic-rich horizons. The Barga Conglomerate, dominated by coarse grained lithofacies, is also characterized by silty to sandy intercalations, while coarse grained conglomerate and organic-rich horizons are rare. Within this formation the M. Alfonso member is also distinguished, albeit hardly mappable. Sedimented in two separated tectonic depressions, connected by the “Monte Perpoli high”, the succession has been interpreted in previous studies as ranging from cohesive sediment anabranching (Fornaci di Barga Clay, Sandstone and Conglomerate) to gravel bed-load braided (Barga Conglomerate Fm.) river deposits. The M. Alfonso member also records the development, in the Castenuovo Garfagnana basin, of a tributary fl owing from west to east and interpreted as a braided fl uvial fan river. In this frame, the “Monte Perpoli high” acted as a sedimentary by-pass, since the beginning of the sedimentation.

Lithostratigraphy of the Pli-Pleistocene continental deposits of the Barga and Castelnuovo Garfagana (Tuscany, Italy) Tectonic depressions.

PERILLI, NICOLA;PUCCINELLI, ALBERTO;SARTI, GIOVANNI
2004-01-01

Abstract

Based on refined mapping, detailed lithostratigraphy and review of previous studies, the sedimentary wedges accumulated in the so-called Barga and Castelnuovo G. basins are here described along with the distinguished formations. The Fornaci di Barga Clay, Sandstone and Conglomerate mainly consists of fi ne grained lithofacies intercalated whit coarse grained conglomerate and organic-rich horizons. The Barga Conglomerate, dominated by coarse grained lithofacies, is also characterized by silty to sandy intercalations, while coarse grained conglomerate and organic-rich horizons are rare. Within this formation the M. Alfonso member is also distinguished, albeit hardly mappable. Sedimented in two separated tectonic depressions, connected by the “Monte Perpoli high”, the succession has been interpreted in previous studies as ranging from cohesive sediment anabranching (Fornaci di Barga Clay, Sandstone and Conglomerate) to gravel bed-load braided (Barga Conglomerate Fm.) river deposits. The M. Alfonso member also records the development, in the Castenuovo Garfagnana basin, of a tributary fl owing from west to east and interpreted as a braided fl uvial fan river. In this frame, the “Monte Perpoli high” acted as a sedimentary by-pass, since the beginning of the sedimentation.
2004
Perilli, Nicola; Puccinelli, Alberto; Sarti, Giovanni
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/91575
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