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


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