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


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