Interactions between Late Quaternary volcanic and sedimentary processes in the Naples Bay, Southern Tyrrhenian sea

Aiello, Gemma and Marsella, Ennio (2015) Interactions between Late Quaternary volcanic and sedimentary processes in the Naples Bay, Southern Tyrrhenian sea. Italian Journal of Geosciences, 134 (2). pp. 367-382. ISSN 2038-1727

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Abstract

The interactions between Late Quaternary volcanic and sedimentary processes in the Naples Bay, Southern Tyrrhenian sea, are here discussed through the results of the marine geological survey at the scale 1:25.000. The example of the geological map n. 465 “Isola di Procida”, herein presented, has put in evidence the stratigraphy of marine Quaternary deposits and related volcanic seismic units. The volcanic deposits cropping out in the Procida island have been explained as the result of eruptions of local eruptive centres. The geological survey carried out onshore indicates the occurrence of several pyroclastic units linked to the eruptive activity of the Ischian and Phlegrean volcanic complexes, interstratified with the products erupted by local volcanic centres. The occurrence in the pyroclastic sequences of Ischia and Procida islands of several marker horizons and their stratigraphic correlations have allowed to reconstruct the volcanological evolution of the two islands and the interactions with sedimentary processes at the scale of the whole Tyrrhenian margin. Four geological maps at the scale 1:25.000 covering the whole Naples Bay have been reconstructed based on the interpretation of marine geological and geophysical data. The stratigraphic relationships between the seismic units and the eruptive deposits have testified the activity of several monogenetic volcanic centers, whose products are interstratified with marine and continental deposits of the Late Quaternary depositional sequence.

Item Type:	Article
Uncontrolled Keywords:	Southern Tyrrhenian sea, Naples Bay, Procida island, marine geological maps, Late Quaternary depositional sequence
Subjects:	500 Scienze naturali e Matematica > 550 Scienze della Terra > 551 Geologia, Idrologia, Meteorologia > 551.2 Vulcani, terremoti, acque termali e gas > 551.21 Vulcani (Classificare qui la Vulcanologia; classificare qui le opere d'insieme sui crateri) (Classificare la Petrologia delle rocce vulcaniche in 552.2) 500 Scienze naturali e Matematica > 550 Scienze della Terra > 551 Geologia, Idrologia, Meteorologia > 551.3 Processi superficiali ed esogeni e loro agenti (Classificare qui la Sedimentologia come studio dei processi superficiali) (Classificare le opere d'insieme sulla Sedimentologia in 552.5) > 551.303 Trasporto e deposito di materiali (Classificare qui la sedimentazione)
Depositing User:	Dr Gemma Aiello
Date Deposited:	03 Aug 2016 07:23
Last Modified:	03 Aug 2016 07:23
URI:	http://eprints.bice.rm.cnr.it/id/eprint/14449

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