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Tamburrino, S.
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Tamburrino, S.
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- PublicationOpen AccessSubcircular conduits and dikes offshore the Somma-Vesuvius volcano revealed by magnetic and seismic dataWe analyzed new magnetic, bathymetric, and seismic data acquired in the offshore sector of Somma-Vesuvius volcano (Italy). We detected a group of high-intensity, short wavelength magnetic anomalies corresponding to partly buried volcanic dome-like structures located by seismic data. The magnetic anomalies are aligned along a NW-SE strike that is the preferential orientation of an eruptive fracture of the pre-19 ka activity of Vesuvius. Four cones emplaced after the Last Glacial Maximum (19 ka), whereas a fifth one emplaced more recently suggesting a rejuvenation of the eruptive system offshore the volcano in historical times. We also identified a NE-SW elongated magnetic anomaly consistent with a dike-like body associated to an on-land tectonic structure that was active in recent times at Vesuvius. A delta-like area with diffuse low-intensity magnetic anomalies reflects the seaward fronts of lava flows that entered the sea mainly during the Middle Ages.
127 80 - PublicationRestrictedIntegrated stratigraphy for the Late Quaternary in the eastern Tyrrhenian Sea(2013)
; ; ; ; ; ; ; ; ; ; ; ;Lirer, F.; Istituto per l’Ambiente Marino Costiero (IAMC) e CNR, Calata Porta di Massa, Interno Porto di Napoli, 80133 Napoli, Italy ;Sprovieri, M.; Istituto per l’Ambiente Marino Costiero (IAMC) e CNR, Via del Faro 3, Torretta Granitola (Fraz. Campobello di Mazara, Tp) 91021, Italy ;Ferraro, L.; Istituto per l’Ambiente Marino Costiero (IAMC) e CNR, Calata Porta di Massa, Interno Porto di Napoli, 80133 Napoli, Italy ;Vallefuoco, M.; Istituto per l’Ambiente Marino Costiero (IAMC) e CNR, Calata Porta di Massa, Interno Porto di Napoli, 80133 Napoli, Italy ;Capotondi, L.; Istituto Scienze Marine, ISMAR e CNR, Consiglio Nazionale delle Ricerche, Via Gobetti 101, 40129 Bologna, Italy ;Cascella, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia ;Petrosino, P.; Dipartimento di Scienze della Terra e Università degli Studi “Federico II” di Napoli. Largo S. Marcellino 10, 80138 Napoli, Italy ;Insinga, D. D.; Istituto per l’Ambiente Marino Costiero (IAMC) e CNR, Calata Porta di Massa, Interno Porto di Napoli, 80133 Napoli, Italy ;Pelosi, N.; Istituto per l’Ambiente Marino Costiero (IAMC) e CNR, Calata Porta di Massa, Interno Porto di Napoli, 80133 Napoli, Italy ;Tamburrino, S.; Istituto per l’Ambiente Marino Costiero (IAMC) e CNR, Calata Porta di Massa, Interno Porto di Napoli, 80133 Napoli, Italy ;Lubritto, C.; Dipartimento di Scienze Ambientali, Seconda Università di Napoli, Via Vivaldi 47, Caserta, Italy; ; ; ; ; ; ; ; ; ; A high-resolution integrated stratigraphy is presented for the Late Quaternary in the southern-eastern Tyrrhenian Sea. It is based on calcareous plankton taxa (planktonic foraminifera and nannoplankton) distribution, d18OGlobigerinoides ruber record, tephrostratigraphy and radiometric dating methods (210Pb and 137Cs, AMS 14C) for a composite sediment core (from the top to the bottom, C90-1m, C90 and C836) from the continental shelf of the Salerno Gulf. High sedimentation rates from ca 1 cm/100 y for the early Holocene, to 3.45 cm/100 y for the middle Holocene to 8.78 cm/100 y from late Holocene and to 20 cm/100 y for the last 600 AD, make this area an ideal marine archive of secular paleoclimate changes. Quantitative distributional trend in planktonic foraminifera identify seven known (1Fe7F) eco-biozones, and several auxiliary bioevents of high potential for Mediterranean biostratigraphic correlation. Recognised were: the acme distribution of Neogloboquadrina pachyderma r.c. between 10.800 0.400 ka BP and 5.500 0.347 ka BP, a strong increase in abundance of Globorotalia truncatulinoides r.c. and l.c. at 5.500 0.347 ka BP and at 4.571 0.96 ka BP, respectively, an acme interval of Globigerinoides quadrilobatus (between 3.702 0.048 ka BP and 2.70 0.048 ka BP) and the acme/paracme intervals of T. quinqueloba (acme between 3.350 0.054 ka BP and 1.492 0.016 ka BP; paracme between 1.492 0.016 ka BP and 0.657 0.025 ka BP; acme beginning 0.657 0.025 ka BP). These results, integrated with trends of selected calcareous nannofossil species (Florisphaera profunda, Brarudosphaera bigelowii, Gephyrocapsa oceanica and Emiliania huxleyi) and d18OG. ruber signature, are consistent with the most important pre-Holocene and early Holocene paleoclimatic and paleoceanographic phases i.e., the BöllingeAllerod, the Younger Dryas and the time interval of Sapropel S1 deposition in the eastern Mediterranean Sea. These features revealed the high potential of this shallow water environment for high-resolution stratigraphy and correlation for the western Mediterranean. In addition, the chemical characterization of seven tephra layers supplied further data about the age and the dispersal area of some well-known Campi Flegrei explosive events, inferring the possible occurrence of explosive activity at Vesuvius around the middle of the 6th century, and contributing to refine the tephrostratigraphic framework for the last 15 ka in the south-eastern Tyrrhenian Sea.428 23 - PublicationRestrictedThe Large Explosive Activity of Mt. Etna as Recorded in Distal Tephrostratigraphy(Springer International Publishing, 2014)
; ; ; ; ; ; ; ;Sulpizio, R.; Dipartimento di scienze della terra e Geoambientali, via Orabona 4, 70125, Bari, Italy; Istituto per la Dinamica dei Processi Ambientali—CNR, via M. Bianco 9, Milan, Italy ;Groppelli, G.; Istituto per la Dinamica dei Processi Ambientali—CNR, via M. Bianco 9, Milan, Italy ;Insinga, D.; Istituto per l’Ambiente Marino e Costiero—CNR, Calata di Porto di Massa, Naples, Italy ;Branca, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia ;Del Carlo, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia ;Tamburrino, S.; Istituto per l’Ambiente Marino e Costiero—CNR, Calata di Porto di Massa, Naples, Italy ;Zanchetta, G.; Dipartimento di Scienze della Terra, via S. Maria 53, 56126, Pisa, Italy; ; ; ; ; ; ; ; ; ; ; ;Rocha, R.; Faculdade de Ciências e Tecnologia Ciências da Terra, Universidade Nova de Lisboa ;Pais, J.; Faculdade Ciências e Tecnologia Ciencias da Terra, Universidade Nova de Lisboa ;Kullberg, J. C.; Ciências da Terra, Faculdade de Ciências e Tecnologia ;Finney, S.; Geological Sciences, California State University Long Beach; ; ; Mt. Etna is renowned for being the most active and highest volcano in Europe. Lava flows and weak explosive eruptions characterize its activity, but intermediate to large explosive eruptions have punctuated its eruptive history. Marine and lacustrine distal records are excellent archives for the recognition of past large explosive activity at Mt. Etna, as testified by the recognition of distal tephra layers of Pleistocene to Holocene age. These data are, to date, neither organised nor correlated to the proximal stratigraphic and chronological records. Here, we propose the reorganisation and correlation of the distal tephra layers from Mt. Etna in order to decipher the timings and frequency of its major explosive eruptions.172 38