http://www.cnr.it/ontology/cnr/individuo/prodotto/ID274494
Foraminiferal record and high-resolution seismic stratigraphy of the Late Holocene succession of the submerged Ombrone River delta(Northern Tyrrhenian Sea, Italy (Articolo in rivista)
- Type
- Label
- Foraminiferal record and high-resolution seismic stratigraphy of the Late Holocene succession of the submerged Ombrone River delta(Northern Tyrrhenian Sea, Italy (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.quaint.2013.09.043 (literal)
- Alternative label
Letizia Di Bella, V. Frezza a, L. Bergamin b, M.G. Carboni a, F. Falese a, E. Martorelli c, C. Tarragoni a, F.L. Chiocci (2013)
Foraminiferal record and high-resolution seismic stratigraphy of the Late Holocene succession of the submerged Ombrone River delta(Northern Tyrrhenian Sea, Italy
in Quaternary international
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Letizia Di Bella, V. Frezza a, L. Bergamin b, M.G. Carboni a, F. Falese a, E. Martorelli c, C. Tarragoni a, F.L. Chiocci (literal)
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a Università di Roma Sapienza
c IGAG-CNR (literal)
- Titolo
- Foraminiferal record and high-resolution seismic stratigraphy of the Late Holocene succession of the submerged Ombrone River delta(Northern Tyrrhenian Sea, Italy (literal)
- Abstract
- Micropalaeontological data integrated with radiocarbon dates and seismic profiles allow for a reconstruction
of the Late Holocene evolution of the Ombrone River delta area during the last 6.0 ka. Seven
cores collected in three distinct sectors of the submerged Ombrone delta were studied: the delta front
(cores NK7, NK8, BOK5 and BOK10) and prodelta slope (core NK4), which are primarily affected by river
input, and the middle shelf (cores NK2 and NK3), which is progressively less influenced by riverine
impact. Seismostratigraphic interpretation indicated that the majority of the cores intercepted the most
recent deposits of the late Quaternary depositional sequence (unit A), whose base is dated at
2.8 ? 100 ka BP. The deepest and shallowest cores reveal a record of the ancient and the most recent
evolution of the succession, respectively, although the most complete palaeoenvironmental evidence
comes from the middle shelf (core NK2) and prodelta slope (core NK4). The oldest sedimentary phase is
indicated by benthic foraminiferal assemblages and seismic profiles of the middle shelf core and correlates
with the Late Transgressive Systems Tract (unit B). The following phase is attributed to the
Highstand Systems Tract (unit A) and spans the last 3.0 ka. Hierarchical cluster analysis (HCA) (Q-mode)
of the benthic foraminifera in the cores resulted in 10 foraminiferal assemblages that correspond to four
distinct environments with various degrees of river influence. (literal)
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- Autore CNR
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