globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2017.01.004
Scopus记录号: 2-s2.0-85009461601
论文题名:
First integrated tephrochronological record for the last ∼190 kyr from the Fucino Quaternary lacustrine succession, central Italy
作者: Giaccio B.; Niespolo E.M.; Pereira A.; Nomade S.; Renne P.R.; Albert P.G.; Arienzo I.; Regattieri E.; Wagner B.; Zanchetta G.; Gaeta M.; Galli P.; Mannella G.; Peronace E.; Sottili G.; Florindo F.; Leicher N.; Marra F.; Tomlinson E.L.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2017
卷: 158
起始页码: 211
结束页码: 234
语种: 英语
英文关键词: 40Ar/39Ar geochronology ; Central Mediterranean ; Sr-Nd isotopes ; Tephrochronology
Scopus关键词: Geochemistry ; Geochronology ; Glass ; Isotopes ; Laser ablation ; Mass spectrometry ; Neodymium ; Sedimentology ; Trace elements ; Volcanic rocks ; Volcanoes ; Central Mediterranean ; Electron microprobes ; Geochemical fingerprinting ; Plasma mass spectrometry ; Sr-Nd isotopes ; Tephra correlations ; Tephrochronology ; Wavelength Dispersive ; Strontium ; argon isotope ; geochronology ; integrated approach ; lacustrine deposit ; marine isotope stage ; marker bed ; neodymium isotope ; pyroclastic deposit ; samarium-neodymium dating ; sedimentation ; succession ; tephra ; tephrochronology ; trace element ; Adriatic Sea ; Greece ; Italy ; Mediterranean Sea
英文摘要: We present the first integrated tephrochronological study (major and trace elemental glass composition, Sr and Nd isotope analyses, and 40Ar/39Ar dating) for the last one tenth (∼82 m) of the ∼900 m-thick Quaternary lacustrine succession of the Fucino Basin, the largest and probably only Central Apennine intermountain tectonic depression that hosts a continuous lacustrine succession documenting the Plio-Quaternary sedimentary history up to historical times. Major element glass compositions, determined using a wavelength-dispersive electron microprobe (WDS-EMPA), yielded the geochemical fingerprinting needed for a reliable identification of most of the 23 stratigraphically ordered tephra layers under investigation. These include tephra from Italian volcanoes such as Campi Flegrei, Etna, Colli Albani, Ischia, Vico, Sabatini, and undefined volcanic sources in the Neapolitan area and Latium region. The recognition of key Mediterranean marker tephra layers (e.g. X-5 and X-6) is supported by trace element data acquired by Laser Ablation Inductively Couple Plasma Mass Spectrometry (LA-ICP-MS). The Sr and Nd isotope compositions of selected layers where also determined for circumscribing the volcanic source of distal tephra and for supporting correlations with individual eruptive units. We also propose a new, more expeditious covariation diagram (CaO/FeOtot vs Cl) for identifying the volcanic source of trachytic to phonolitic and tephrytic to phonolitic tephra, that are the most common compositions of pyroclastic rocks from volcanoes of Campania and Latium regions. Finally, we present five new 40Ar/39Ar age determinations, including a new, analytically well-supported, and more precise 40Ar/39Ar age for the widespread Y-7 tephra, and the first 40Ar/39Ar age determinations for one tephra from the Sabatini volcanic district (∼126 ka) and one tephra from Neapolitan volcanic area (Campi Flegrei?; ∼159 ka). These newly dated tephra are widely dispersed (e.g. Monticchio, southern Italy, Adriatic Sea and Lake Ohrid, Macedonia-Abania) and have thus the potential to become important Mediterranean MIS 5 and MIS 6 tephrochronological markers. Altogether the new geochemical data and 40Ar/39Ar ages precisely constrain the chronology of the investigated Fucino succession spanning the last ∼190 ka. In light of these results and by considering that this sedimentary succession possibly extends back to ∼2 Ma, Fucino is likely to provide a very long, continuous tephrostratigraphic record for the Mediterranean area and become a key node in the dense network of tephra correlations of this region. © 2017 Elsevier Ltd
资助项目: BG thanks Emanuela Falcucci, Fabrizio Galadini, Stefano Gori and Giancarlo Scardia for having contributed to the stratigraphic logging of the cores SP and SPE carried out on field in 2012, and Marcello Serracino for his valuable assistance during EMP analyses at Istituto di Geologia Ambientale e Geoingegneria – CNR, Roma. EMN and PRR thank the Ann and Gordon Getty Foundation and NSF grant BCS-1322017 for facilities support. BW thanks German Research Foundation, CRC 806 “Our way to Europe” for the partial financial support. The manuscript benefited from useful comments from two anonymous reviewers.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59314
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作者单位: Istituto di Geologia Ambientale e Geoingegneria, CNR, Roma, Italy; Department of Earth and Planetary Science, University of California, Berkeley, United States; Berkeley Geochronology Center, Berkeley, United States; Laboratoire des Sciences du Climat et de l'Environnement (CEA-CNRS-UVSQ), Gif-Sur-Yvette, France; École Française de Rome, Roma, Italy; Département de Préhistoire du Muséum National d'Histoire Naturelle, Paris, France; Sezione di Scienze Preistoriche e Antropologiche, Dipartimento di Studi Umanistici, Università degli Studi di Ferrara, Ferrara, Italy; RLAHA, University of Oxford, Oxford, United Kingdom; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Osservatorio Vesuviano, Napoli, Italy; Institute of Geology and Mineralogy, University of Cologne, Cologne, Germany; Dipartimento di Scienze della Terra, University of Pisa, Pisa, Italy; Dipartimento di Scienze della Terra, University of Roma “La Sapienza” Roma, Italy; Dipartimento di Protezione Civile Nazionale, Roma, Italy; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma 1, Roma, Italy; Department of Geology, Trinity College Dublin, Dublin, Ireland

Recommended Citation:
Giaccio B.,Niespolo E.M.,Pereira A.,et al. First integrated tephrochronological record for the last ∼190 kyr from the Fucino Quaternary lacustrine succession, central Italy[J]. Quaternary Science Reviews,2017-01-01,158
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