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


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