The Quaternary depositional sequences constitute, among the sedimentary successions, those where theì climaticc and glacio-eustatic signals and the local effects of tectonics are better recorded. Thus, it is possible to produce depositional models of considerable accuracy which can be used in a predictive sense. The Pleistocene deposits of the Roman area record the climatic and sedimentary cyclicity through a continuous modification of the natural landscape and depositional environments where the alternation between cold, hot and humid phases is well evidenced by the vegetational changes and the populations of large mammals. In the Quaternary deposits of the Roman area different types of depositional systems, from fluvial, to fluviolacustrine, deltaic, coastal-barrier lagoon, and shelfal systems have been recognized. The facies and sequence stratigraphic analyses that have been carried out on these deposits allowed to subdivide the entire Pleistocene succession into high and low rank depositional sequences the stacking pattern of which records the close interaction among climate, glacio-eustatic sea-level changes, volcanism and tectonic uplift. These processes were also responsible for the compositional variations found in the deposits of the high and low rank sequences.
The depositional architecture of the Pleistocene deposits of the Roman Basin (Italy) / Milli, S; Tentori, D.; Marini, M.. - (2019). (Intervento presentato al convegno 34th IAS International Meeting of Sedimentology tenutosi a Roma).
The depositional architecture of the Pleistocene deposits of the Roman Basin (Italy)
Milli S;Tentori D.;
2019
Abstract
The Quaternary depositional sequences constitute, among the sedimentary successions, those where theì climaticc and glacio-eustatic signals and the local effects of tectonics are better recorded. Thus, it is possible to produce depositional models of considerable accuracy which can be used in a predictive sense. The Pleistocene deposits of the Roman area record the climatic and sedimentary cyclicity through a continuous modification of the natural landscape and depositional environments where the alternation between cold, hot and humid phases is well evidenced by the vegetational changes and the populations of large mammals. In the Quaternary deposits of the Roman area different types of depositional systems, from fluvial, to fluviolacustrine, deltaic, coastal-barrier lagoon, and shelfal systems have been recognized. The facies and sequence stratigraphic analyses that have been carried out on these deposits allowed to subdivide the entire Pleistocene succession into high and low rank depositional sequences the stacking pattern of which records the close interaction among climate, glacio-eustatic sea-level changes, volcanism and tectonic uplift. These processes were also responsible for the compositional variations found in the deposits of the high and low rank sequences.File | Dimensione | Formato | |
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