globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2015.03.006
Scopus记录号: 2-s2.0-84926443353
论文题名:
Tephrochronology of core PRAD 1-2 from the Adriatic Sea: Insights into Italian explosive volcanism for the period 200-80ka
作者: Bourne A.J.; Albert P.G.; Matthews I.P.; Trincardi F.; Wulf S.; Asioli A.; Blockley S.P.E.; Keller J.; Lowe J.J.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2015
卷: 116
起始页码: 28
结束页码: 43
语种: 英语
英文关键词: Adriatic Sea ; LA-ICP-MS ; MIS 5-6 ; Tephra ; Tephrochronology
Scopus关键词: Geology ; Natural sciences ; Adriatic Sea ; Eastern Mediterranean ; Explosive volcanism ; Geochemical measurements ; La-ICP-MS ; Lago Grande di Monticchio ; Tephra ; Tephrochronology ; Stratigraphy ; regional pattern ; sediment core ; sequence stratigraphy ; tephra ; tephrochronology ; volcanic eruption ; volcanism ; Adriatic Sea ; Italy ; Mediterranean Sea
英文摘要: Core PRAD 1-2, located on the western flank of the Mid-Adriatic Deep, was investigated for tephra content within the part of the sequence assigned on biostratigraphic and sapropel-layer stratigraphy to MIS 5 and 6 (ca. 80-200kaBP). A total of 11 discrete tephra layers are identified, 8 visible and 3 cryptotephra layers. 235 geochemical measurements obtained from individual glass shards using WDS-EPMA enabled 8 of the 11 tephras to be correlated to known eruption events, 5 of which are represented in the Lago Grande di Monticchio (LGdM) regional tephra archive sequence. Three of these layers are recognised ultra-distally for the first time, extending their known distributions approximately 210km further north. The results provide an independent basis for establishing an age-depth profile for the MIS 5-6 interval in the PRAD 1-2 marine record. This approach allowed age estimates to be interpolated for the tephra layers that could not be correlated to known events. It also provides an independent test of, and support for, the broad synchroneity of sapropel-equivalent (S-E) events in the Adriatic Sea with the better-developed sapropel layers of the eastern Mediterranean, proposed by Piva etal. (2008a). © 2015 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59948
Appears in Collections:过去全球变化的重建

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作者单位: Centre for Quaternary Research, Department of Geography, Royal Holloway University of London, Egham, Surrey, United Kingdom; Department of Earth Sciences, Royal Holloway University of London, Egham, Surrey, United Kingdom; ISMAR-CNR, Istituto di Scienze Marine-Consiglio Nazionale delle Ricerche, Via Gobetti, Bologna, Italy; GFZ German Research Centre for Geosciences, Section 5.2 - Climate Dynamics and Landscape Evolution, Potsdam, Germany; Istituto di Geoscienze e Georisorse del C.N.R. - Sede di Padova, C/o Dipartimento di Geoscienze dell'Università di Padova, C.so Garibaldi, Padova, Italy; Institute of Geosciences, Mineralogy - Geochemistry, Albert-Ludwigs-University Freiburg, Albertstrasse 23b, Freiburg, Germany; Department of Geography, College of Science, Swansea University, Singleton Park, Swansea, United Kingdom

Recommended Citation:
Bourne A.J.,Albert P.G.,Matthews I.P.,et al. Tephrochronology of core PRAD 1-2 from the Adriatic Sea: Insights into Italian explosive volcanism for the period 200-80ka[J]. Quaternary Science Reviews,2015-01-01,116
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