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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

Incision rates Out-of-sequence thrust Quaternary Weathering Burial dating Evolution Quadrilatero Ferrifero Paleomagnetism Himalaya Late Glacial Beryllium 10 Antarctic Cold Reversal Laschamp excursion Mediterranea Rockfalls Climate Southern French Alps Luminescence dating Gabon 26Al Rock glacier 10 Be dating Cosmogenic 10Be Cosmogenic Slip rate Rio Negro river Terrestrial cosmogenic nuclides TCN Glacial geomorphology Palaeoclimates Cosmogenic dating 10Be surface exposure dating 10Be CRE dating Lake sediment Chlorine-36 Authigenic 10Be/9Be ratio Denudation Little Ice Age Chiba composite section Glacier fluctuations Helium-3 Western Alps Cosmic ray exposure dating Surface exposure dating 3He Panoply Cosmogenic radionuclides 14C Dating Denudation rates Pyrenees Bhutan Paleoclimate Cosmogenic nuclide Uplift 10 Be cosmic-ray exposure dating Deglaciation Calibration Erosion rates Accelerator mass spectrometry Fault scarps 10Be cosmogenic nuclide Cosmogenic nuclides Landscape evolution Organic matter Coral reef terrace Active tectonics Pleistocene Paraglacial Denudation rate Beryllium Fluorescence Production rate Holocene Mongolia Cave deposits Datations cosmogéniques Southwestern Alps Geomorphology Cosmogenic nuclide dating Monsoon Nucléides cosmogéniques Lava flows 10Be GSSP stratotype Paleoseismology Beryllium-10 River incision Cosmonuclide 36Cl CRE dating Neogene Sequential ultra-filtration Cosmogenic burial dating Alluvial deposits Fluvial incision French Alps 21Ne Active fault Kerguelen Sackung Glaciation

 

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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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