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Welcome to the National Cosmogenic Nuclides Laboratory - LN2C

The National Cosmogenic Nuclides Laboratory (LN2C in french) is a structure dedicated to the use of cosmogenic nuclides in Earth Sciences, notably via the preparation of samples and the measurements of cosmogenic isotopes. Its mission is to provide an effective access to this methodology to the French scientific community, for research projects in the following fields: natural hazards and risks, linked for example to earthquakes or landslides past climate change, for example with the dating of markers associated to glaciations landscape dynamics and the determination of current and past denudation rates dating of archaeological sites and objects. investigation of the magnetic field evolution over time The LN2C consists of a set of laboratories allowing the purification and preparation of different types of sample (rocks, soils, water, etc.) as well as the measurement of different isotopic ratios (10Be/9Be, 26Al/27Al, 36Cl/35Cl, ...) by the national 5MV AMS (Accelerator Mass Spectrometer) facility ASTER. The LN2C regroups faculty members, research scientists, engineers and technicians from Aix Marseille University, CNRS and IRD. The LN2C was founded by Didier Bourlès (AMU Professor), and is hosted by CEREGE on the Technopôle de l'Arbois domain in Aix-en-Provence since 2006.

The installation of the ASTER instrument was possible due to an initial investment by the Bouches du Rhône General Council, the European Regional Development Fund (FEDER), CNRS, IRD and the Provence-Alpes-Côte d'Azur Region council. The LN2C is a technological platform of Aix-Marseille University and is part of the REGEF network. Its operation is supported by a recurring endowment from CNRS and IRD. The LN2C benefited from the Investments for the Future Program via EQUIPEX ASTER-CEREGE, which notably enabled the installation of a high energy source for ASTER.

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Keywords

Cosmogenic 10Be Fault scarps Southwestern Alps Production rate Beryllium 10 Lava flows Glaciation Sequential ultra-filtration Panoply Rio Negro river 21Ne Cosmogenic dating 10Be Helium-3 Cosmogenic Cosmogenic nuclide Cosmic ray exposure dating GSSP stratotype River incision Pyrenees Beryllium Scandinavian ice sheet Lake sediment Himalaya 10Be cosmogenic nuclide Gabon French Alps Geomorphology Dating Rockfalls Weathering Laschamp excursion Glacial geomorphology Burial dating Cosmogenic radionuclides Cosmogenic nuclide dating Cosmonuclide Tectonic Accelerator mass spectrometry Paleoseismology Surface exposure dating Calibration Authigenic 10Be/9Be ratio Slip rate Little Ice Age Active fault Taiwan Cosmogenic burial dating Climate Nucléides cosmogéniques Beryllium-10 Organic matter Fluorescence Neogene Monsoon Mongolia Palaeoclimates Paleoclimate Western Alps Active tectonics Paleomagnetism Rock glacier Denudation Glacier fluctuations Denudation rates Mediterranea Alluvial deposits Chlorine-36 26Al Incision rates 10 Be cosmic-ray exposure dating Late Glacial Sub-Antarctic Uplift 3He Coral reef terrace Kerguelen 36Cl CRE dating Holocene Quaternary Erosion rates Bhutan Luminescence dating Terrestrial cosmogenic nuclides TCN Cave deposits Cosmogenic nuclides Deglaciation Radiocarbon Pleistocene Paraglacial Quadrilatero Ferrifero Sackung Out-of-sequence thrust Denudation rate Datations cosmogéniques Landscape evolution Chiba composite section Fluvial incision Antarctic Cold Reversal Southern French Alps

 

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Contact

Catherine Beaussier
Tél. (+33) 4 95 04 41 43
catherine.beaussier@osupytheas.fr
 
Vincent Godard
Tél. (+33) 4 13 94 92 10
godard@cerege.fr

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