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Strati 2019

  • Home
  • Welcome
    • Committees
    • Conference Timetable
  • Program
    • Field Trips
    • Guidelines
    • Plenary lectures
    • Session Timetable
    • Session's Program
    • Where & When
  • Abstracts
    • List of accepted abstracts
    • Scientific Sessions
    • Themes
  • Registration
    • User registration
    • Registration fees
    • Funds to attend the congress
    • Invitation and VISA
  • Logistic
    • Venue
    • General Map
    • Travel to Milan
    • Tourist information
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ST2.9 Improved reconstruction of geomagnetic field variations from 10Be and paleomagnetic methods: a stratigraphic tool for global synchronization of paleorecords

Convener: Quentin Simon This email address is being protected from spambots. You need JavaScript enabled to view it.

Co-Conveners: Didier L. Bourlès, Andrew P. Roberts

 

 

The increasing paleomagnetic database together with developments of high precision measurements and results quality control help to reconstruct accurately rapid and long-term variations of the geomagnetic field from various archive types. Alongside, an independent approach to decipher past variations of the geomagnetic field intensity is through the use of cosmogenic nuclide beryllium-10 (10Be) since its atmospheric production rate depends primarily on the magnetospheric shielding at centennial to millennial time scales. Such 10Be production time series, including those from ice cores, are synchronized at the global scale and correlated to radiometrically and/or astrochronologically dated Geomagnetic Instability and Polarity time scales. The two complementary methods can be employed simultaneously in order to evaluate their respective limitations associated with recording processes and improve the reliability of paleomagnetic data. It also permits to improve or bitally tuned magnetic and oxygen isotope stratigraphies that are sometimes affected by biases or unconformities intrinsic to recording processes. In that context, this session aims to highlight studies dealing with data improvement, with particular interest on the acquisition of original data from secular variations to reversals timescale. Studies presenting techniques development applied to geomagnetic reconstruction from various archives (potteries, sediments, loess, ice cores, speleothems, lava flows, sea floor…), as well as regional and global palaeo and archaeomagnetic models are welcome. Accepted abstracts may later be developed as articles which will be published after peer review in a dedicated section of the journal "Quaternary Geochronology" (IF = 3.44).

 

The proceedings of the session will be printed on an international journal. The conveners will submit a proposal to Quaternary Geochronology

 

 

 

Organized by

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Sponsored by

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