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


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