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Invited researcher Yves Gallet
Contract number
14.Z50.31.0017
Time span of the project
2014-2018

As of 30.01.2020

33
Number of staff members
195
scientific publications
5
Objects of intellectual property
General information

Name of the project: Evolution of the geomagnetic field and interaction of planetary shells

Strategy for Scientific and Technological Development Priority Level: ж


Goals and objectives

Research directions:

- Study of evolution of the magnetic field of the Earth at the historical and the geochemical scales of time

- Research of accumulated paleomagnetics data for decoding the history of the Earth's core, geodynamics of the mantle and the Earth's crust

Project objective:

- Creation of a modern world-class archaeomagnetic laboratory

- Accumulation of new key data concerning evolution of the magnetic field of the Earth at various scale of time – from hundreds to hundreds of millions of years

- Usage of data for study of the connection between processes occurring in inner and outer shells of our planet


The practical value of the study

  • The Laboratory has developed an enhanced problem that allows to complete complex paleomagnetic measurements accounting for structural features of the «Khramov» measurement complex via a unified interface.
  • A modern archaeomagnetism laboratory has been created that is equipped with state-of-the-art equipment that allows to conduct high-precision research of archaeological artifacts and determining intensity of the ancient geomagnetic field.
  • New methods of archaeo-, paleo- and petromagnetism research.
  • We have developed support curves of paleo-century variations of the geomagnetic field for different regions of Russia and built a global model of the geomagnetic field for the Holocene.
  • The Laboratory has collected unique information on parameters describing evolution of the geomagnetic field (frequency of geomagnetic inversions, amplitude of century variation, paleostrain) during the Phanerozoic and in the Precambrian.
  • Important data has been accumulated concerning the history of geological development of Northern Eurasia and modern models have been proposed for geodynamics evolution of southwestern and southeastern framing of the Siberian platform.

Implemented results of research:

  • 3 software projects developed at the Laboratory have been patented. Achieved results have been used to compile the International Geochronological Scale, as well as in testing models of formation of copper-nickel ores of Norilsk deposits.
  • Two databases have been created and made available at http://paleomag-ifz.ru/ru/page/projects.

Education and career development:

  • Three doctoral and 6 candidate dissertations have been prepared.
  • 33 students, postgraduates and young researchers have completed internships and additional training courses.
  • 5 education courses have been selected and implemented.
  • 15 scientific seminars and 7 scientific conferences have been organized and conducted.

Organizational and structural changes: A collective usage center has been created that provides free access for students, postgraduates, professionals from academic and educational organizations.

Other results: More than 10 field expeditions have been complete during which unique collections of paleomagnetic, magnetostratigraphic, geochronological and geochemical surveys were collected

Collaborations: Institut de Physique du Globe de Paris (France), Kazan (Volga region) Federal University (Russia): joint research, expeditions, student exchanges, scientific events

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Salnaia N., Gallet Y., Genevey A., Antipov I.
New archeointensity data from Novgorod (North-Western Russia) between c. 1100 and 1700 AD. Implications for the European intensity secular variation. Phys. Earth Planet. Inter. 269: 18–28 (2017).
Salnaia N., Gallet Y., Genevey A., Glazunova O.N., Gavryushkin D.
New archeointensity results on a baked-clay tile collection from the New Jerusalem monastery (Moscow region, Russia). Geophysical Research 18(2) (2017).
Yutsis-Akimova S., Gallet Y., Amirov S.
Rapid geomagnetic field intensity variations in the Near East during the 6 th millennium BC: New archeointensity data from Halafian site Yarim Tepe II (Northern Iraq). Earth Planet. Sci. Lett. 482: 201–212 (2018).
Gallet Y. & Pavlov V. E.
Three Distinct Reversing Modes in the Geodynamo. Izvestiya, Physics of the Solid Earth, Vol. 52. No. 2: 291–296 (2016).
Evans D., Veselovsky R., Petrov P., Shatsillo A., Pavlov V.
Paleomagnetism of Mesoproterozoic margins of the Anabar Shield: A hypothesized billion-year partnership of Siberia and northern Laurentia. Precambrian research. Vol. 281: 639–655 (2016).
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