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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

Chernobyl Antarctic Cold Reversal Lake sediment Accelerator mass spectrometry Geomorphology Coastal sequence Cosmogenic dating Chiba composite section Evolution Be-10 Kerguelen Block slope Pleistocene Holocene 10Be Glacier fluctuations Active faults Bearing phases Carbonate Calibration CLIMATIC CHANGES Calcaire crétacé Authigenic 10Be/ 9 Be dating Cave levels Automated bench Brazilian passive margin escarpment Analyse isotopique Cosmic ray exposure dating Surface exposure dating Quaternary Active fault Chlore-36 Beryllium-10 Cave deposits Cosmogenic burial dating Climate fluctuations Byers Peninsula Asia Cosmonuclide Badain jaran desert Lava flows Cluster Burial dating Cosmogenic nuclides Beryllium Chlorine-36 Antarctic Peninsula Aurignacien Denudation rates 42 ka event Paleoseismology Carbonates Chlorine 36 Paleoclimate Aquifère côtier Buzzsaw Climate Absolute dating Incision rates 10Be cosmogenic nuclide Landscape evolution Cosmogenic Denudation 21Ne Chlorine 26Al Chert 36 cl cosmic-ray exposure dating Angola Bolivian Altiplano Ages Aeolian sedimentation Cosmogenic 10Be Azanaques Andes Cl-36 Asterobelt Challapata fan-delta Radiocarbon Authigenic 10Be/9Be ratio Terrestrial cosmogenic nuclides TCN Ardennes massif COSMOGENIC NUCLIDES Collection area 14CdatingPeruvian Andes Climatic crisis Panoply 36Cl cosmic-ray exposure dating Bhutan Aluminum Cameroon Alluvial terrace chronosequence Luminescence dating Australia Pyrenees Himalaya Analyse géochimique Denudation rate Cirque Acheulian hominins

 

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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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