Integrated biomagnetostratigraphy of the Alano section (NE Italy): A proposal for defining the middle-late Eocene boundary

Abstract

Research Article| May 01, 2011 Integrated biomagnetostratigraphy of the Alano section (NE Italy): A proposal for defining the middle-late Eocene boundary Claudia Agnini; Claudia Agnini 1Dipartimento di Geoscienze, Università di Padova, Via G. Gradenigo, I-35131 Padova, Italy2Istituto di Geoscienze e Georisorse, CNR-Padova c/o Dipartimento di Geoscienze, Università di Padova, Via G. Gradenigo, I-35131 Padova, Italy Search for other works by this author on: GSW Google Scholar Eliana Fornaciari; Eliana Fornaciari 1Dipartimento di Geoscienze, Università di Padova, Via G. Gradenigo, I-35131 Padova, Italy Search for other works by this author on: GSW Google Scholar Luca Giusberti; Luca Giusberti 1Dipartimento di Geoscienze, Università di Padova, Via G. Gradenigo, I-35131 Padova, Italy Search for other works by this author on: GSW Google Scholar Paolo Grandesso; Paolo Grandesso 1Dipartimento di Geoscienze, Università di Padova, Via G. Gradenigo, I-35131 Padova, Italy Search for other works by this author on: GSW Google Scholar Luca Lanci; Luca Lanci 3Facoltà di Scienze Ambientali, Università di Urbino, Loc. Crocicchia, 61029 Urbino, Italy4Alpine Laboratory of Paleomagnetism (ALP), Via Madonna dei Boschi 76, I-12016 Peveragno (CN), Italy Search for other works by this author on: GSW Google Scholar Valeria Luciani; Valeria Luciani 5Dipartimento di Scienze della Terra—Polo Scientifico Tecnologico, Università di Ferrara, Via G. Saragat, 1, I-44100, Ferrara, Italy Search for other works by this author on: GSW Google Scholar Giovanni Muttoni; Giovanni Muttoni 4Alpine Laboratory of Paleomagnetism (ALP), Via Madonna dei Boschi 76, I-12016 Peveragno (CN), Italy6Dipartimento di Scienze della Terra, Università di Milano, Via Mangiagalli 34, I-20133 Milano, Italy Search for other works by this author on: GSW Google Scholar Heiko Pälike; Heiko Pälike 7National Oceanography Centre, University of Southampton Waterfront Campus, European Way, SO14 3ZH Southampton, UK Search for other works by this author on: GSW Google Scholar Domenico Rio; Domenico Rio 1Dipartimento di Geoscienze, Università di Padova, Via G. Gradenigo, I-35131 Padova, Italy Search for other works by this author on: GSW Google Scholar David J.A. Spofforth; David J.A. Spofforth 7National Oceanography Centre, University of Southampton Waterfront Campus, European Way, SO14 3ZH Southampton, UK Search for other works by this author on: GSW Google Scholar Cristina Stefani Cristina Stefani 1Dipartimento di Geoscienze, Università di Padova, Via G. Gradenigo, I-35131 Padova, Italy Search for other works by this author on: GSW Google Scholar GSA Bulletin (2011) 123 (5-6): 841–872. https://doi.org/10.1130/B30158.1 Article history received: 22 Aug 2009 rev-recd: 22 Oct 2009 accepted: 29 Oct 2009 first online: 08 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Claudia Agnini, Eliana Fornaciari, Luca Giusberti, Paolo Grandesso, Luca Lanci, Valeria Luciani, Giovanni Muttoni, Heiko Pälike, Domenico Rio, David J.A. Spofforth, Cristina Stefani; Integrated biomagnetostratigraphy of the Alano section (NE Italy): A proposal for defining the middle-late Eocene boundary. GSA Bulletin 2011;; 123 (5-6): 841–872. doi: https://doi.org/10.1130/B30158.1 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract The Alano section has been presented at the International Subcommission on Paleogene Stratigraphy (ISPS) as a potential candidate for defining the global boundary stratotype section and point (GSSP) of the late Eocene Priabonian Stage. The section is located in the Venetian Southern Alps of the Veneto region (NE Italy), which is the type area of the Priabonian, being exposed along the banks of the Calcino torrent, near the village of Alano di Piave. It consists of ∼120–130 m of bathyal gray marls interrupted in the lower part by an 8-m-thick package of laminated dark to black marlstones. Intercalated in the section, there are eight prominent marker beds, six of which are crystal tuff layers, whereas the other two are bioclastic rudites. These distinctive layers are useful for regional correlation and for an easy recognition of the various intervals of the section. The section is easily accessible, crops out continuously, is unaffected by any structural deformation, is rich in calcareous plankton, and contains an expanded record of the critical interval for defining the GSSP of the Priabonian. In order to further check the stratigraphic completeness of the section and constrain in time the critical interval for defining the Priabonian Stage, we performed a high-resolution study of integrated calcareous plankton biostratigraphy and a detailed magnetostratigraphic analysis. Here, we present the results of these studies to open a discussion on the criteria for driving the “golden spike” that should define the middle Eocene–late Eocene boundary. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.