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


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