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Directeur du SARM

Tel : 03 83 59 42 17

E-mail de Christophe CLOQUET

Fonction(s) : SARM Directeur et Unité de Géochimie Isotopique

Recherche/Research Interests

Major and trace element analytical chemistry

Isotope geochemistry

MC-ICP-MS Analytical development and isotopic characterisation of geostandards

Tracing of pollution sources with metals


Christophe Cloquet education and career

2000 : M.Sc in Geochemistry, CPRG-CNRS

2001-2005 : Ph.D in Geochemistry, CRPG-CNRS Vandoeuvre-les-Nancy. Supervisor : Jean Carignan and Guy Libourel. Thesis Title : Géochimie élémentaire et isotopique des métaux lourds. Applications environnementales en tissu urbain et industriel

2005-2006 : Postdoctoral Fellow, Université du Québec à Montréal (UQAM), Canada

2006-2007 : Doctor assistant, Gent University, Gent, Belgium

2007- : Research Engineer, CRPG-CNRS

2012- : Associate professor @Ulaval (Québec)



Dussubieux, L., Cloquet, C., & Pryce, T. O. (2021). Isotope analysis and its applications to the study of ancient Indian glass. In Ancient Glass of South Asia. Springer.
Le Meur, C., Cadet, M., Doan, N. V., Trien, D. N., Cloquet, C., Dillmann, P., et al. (2021). Typo-technological, elemental and lead isotopic characterization and interpretation of Đông Sơn miniature drums. Journal of Archaeological Science: Reports, 38, 103017.
Yeghicheyan, D., Grinberg, P., Alleman, L. Y., Belhadj, M., Causse, L., Chmeleff, J., et al. (2021). Collaborative determination of trace element mass fractions and isotope ratios in AQUA-1 drinking water certified reference material. Analytical and Bioanalytical Chemistry, 413, 4959–4978.
Zhu, C., Wen, H., Zhang, Y., Huang, Z., Cloquet, C., Luais, B., et al. (2021). Cadmium isotopic constraints on metal sources in the Huize Zn–Pb deposit, SW China. Geoscience Frontiers, 12, 101241.


Georgiev, S. V., Stein, H. J., Yang, G., Hannah, J. L., Böttcher, M. E., Grice, K., et al. (2020). Late Permian–Early Triassic environmental changes recorded by multi-isotope (Re-Os-N-Hg) data and trace metal distribution from the Hovea-3 section,Western Australia. Gondwana Research, 88, 353–372.
Lelievre, B., Bruneau, C., Legeay, M., Parisot, J., & Cloquet, C. (2020). Identification of the origin of infantile saturnism based on lead isotopic and elemental ratios. Journal of Trace Elements in Medecine and Biology, 62, 126627.
Seman, S., Dussubieux, L., Cloquet, C., & Pryce, T. O. (2020). Strontium isotope analysis in ancient glass from South Asia using portable laser ablation sampling. Archaeometry, .
Zelano, I. O., Cloquet, C., van der Ent, A., Echevarria, G., Gley, R., Landrot, G., et al. (2020). Coupling nickel chemical speciation and isotope ratios to decipher nickel dynamics in the Rinorea cf. bengalensis-soil system in Malaysian Borneo. Plant Soil, .


Cadet, M., Sayavongkhamdy, T., Souksavatdy, V., Luangkhoth, T., Dillmann, P., Cloquet, C., et al. (2019). Lao's central role in Southeast Asian copper exchange networks: A multimethod study of bronzes from the Vilabouly Complex. Journal of Archaeological Science, 109.
Lanceleur, L., Tessier, E., Bueno, M., Pienitz, R., Bouchard, F., Cloquet, C., et al. (2019). Cycling and atmospheric exchanges of selenium in Canadian subarctic thermokarst ponds. Biogeochemistry, .
Yeghicheyan, D., Aubert, D., Bouhnik Le Coz, M., Chmeleff, J., Delpoux, S., Djouraev, I., et al. (2019). A new interlaboratory characterisation of silicon, rare earth elements and twenty-two other trace element concentrations in the natural river water certified reference material SLRS-6(NRC-CNRC). Geostandards and Geoanalytical Research, 43(3), 475–496.


Fan, H., Wen, H., Xiao, C., Zhou, T., Cloquet, C., & Zhu, X. (2018). Zinc geochemical cycling in a phosphorus-rich ocean during the early Ediacaran. Journal of Geochemical Research: Oceans, 123,, 5248–5260.
Harlaux, M., Mercadier, J., Marignac, C., Peiffert, C., Cloquet, C., & Cuney, M. (2018). Tracing metal sources in peribatholitic hydrothermal W deposits based on the chemical composition of wolframite: The example of the Variscan French Massif Central. Chemical Geology, 479, 58–85.
Le Gall, B., Leleu, S., Pik, R., Jourdan, F., Chazot, G., Ayalew, D., et al. (2018). The Red Beds series in the Erta Ale segment, North Afar. Evidence for a 6 Ma-old post-rift basin prior to continental rupturing. Tectonophysics, 747-748, 373–389.
Mariet, A. L., Monna, F., Gimbert, F., Bégeot, C., Cloquet, C., Belle, S., et al. (2018). Tracking past mining activity using trace metals, lead isotopes and compositional data analysis of a sediment core from Longemer Lake, Vosges Mountains, France. Journal of Paleolimnology, 60, 399–412.
Mariet, A. L., Walter-Simonnet, A. V., Gimbert, F., Cloquet, C., & Bégeot, C. (2018). High-temporal resolution landscape changes related to anthropogenic activities over the past millennium in the Vosges Mountains (France). Ambio, .
Yang, W. J., Ding, K. B., Zhang, P., Qiu, H., Cloquet, C., Wen, H. J., et al. (2018). Cadmium stable isotope variation in a mountain area impacted by acid mine drainage. Science of the Total Environment, 646, 696–703.
Zelano, I., Cloquet, C., Fraysse, F., Dong, S., Janot, N., Echevarria, G., et al. (2018). The influence of organic complexation on Ni isotopic fractionation and Ni recycling in the upper soil layers. Chemical Geology, 483, 47–55.
Zhang, Y., Wen, H., Zhu, C., Fan, H., & Cloquet, C. (2018). Cadmium isotopic evidence for the evolution of marine primary productivity and the biological extinction event during the Permian-Triassic crisis from the Meishan section, South China. Chemical Geology, 481, 110–118.


Archer, C., Andersen, M. B., Cloquet, C., Conway, T. M., Dong, S., Ellwood, M., et al. (2017). Inter-calibration of a proposed new primary reference standard AA-ETH Zn for zinc isotopic analysis. Journal of Analytical Atomic Spectrometry, 32, 145–149.
Zhu, C., Wen, H., Zhang, Y., Fu, S., Fan, H., & Cloquet, C. (2017). Cadmium isotope fractionation in the Fule Mississippi Valley-type deposit, Southwest China. Mineralium Deposita, 52, 675–686.
Zhu, C., Wen, H., Zhang, Y., Yin, R., & Cloquet, C. (2017). Cd isotope fractionation during sulfide mineral weathering in the Fule Zn-Pb-Cd deposit, Yunnan Province, Southwest China. Science of the Total Environment, 616-617, 64–72.


Hashizume, K., Pinti, D. L., Orberger, B., Cloquet, C., Jayananda, M., & Soyama, H. (2016). A biological switch at the ocean surface as a cause of laminations in a Precambrian iron formation. Earth and Planetary Science Letters, 446, 27–36.
Meier, M., Cloquet, C., & Marty, B. (2016). Mercury (Hg) in meteorites: Variations in abundance, thermal release profile, mass-dependent and mass-independent isotopic fractionation. Geochimica et Cosmochimica Acta, 182, 55–72.
Tang, Y. T., Cloquet, C., Deng, T. H. B., Sterckeman, T., Echevarria, G., Yang, W. J., et al. (2016). Zinc Isotope Fractionation in the Hyperaccumulator Noccaea caerulescens and the Nonaccumulating Plant Thlaspi arvense at Low and High Zn Supply. Environmental Science & Technology, 50, 8020–8027.
Wen, H., Zhu, C., Zhang, Y., Cloquet, C., Fan, H., & Fu, S. (2016). Zn/Cd ratios and cadmium isotope evidence for the classification of lead-zinc deposits. Nature. Scientific Reports, .
Zhang, Y., Wen, H., Zhu, C., Fan, H., Luo, C., Liu, J., et al. (2016). Cd isotope fractionation during simulated and natural weathering. Environmental Pollution, 216, 9–17.


Aebischer, S., Cloquet, C., Carignan, J., Maurice, C., & Pienitz, R. (2015). Disruption of the geochemical metal cycle during mining: Multiple isotope studies of lake sediments from Schefferville, subarctic Québec. Chemical Geology, 142, 167–178.
Cloquet, C., Estrade, N., & Carignan, J. (2015). Ten years of elemental atmospheric metal fallout and Pb isotopic composition monitoring using lichens in northeastern France. C.R. Geosciences, 347, 257–266.
Estrade, N., Cloquet, C., Echevarria, G., Sterckeman, T., Deng, T., Tang, Y. T., et al. (2015). Weathering and vegetation controls on nickel isotope fractionation in surface ultramafic environments (Albania). Earth and Planetary Science Letters, 423, 24–35.
Marie, B., Marin, L., Martin, P. Y., Gulon, T., Carignan, J., & Cloquet, C. (2015). Determination of mercury in one hundred and sixteen geological and environmental reference materials using a drect mercury analyser. Geostandards and Geoanalytical Research, 39(1), 71–86.
Remy, P. P., Etique, M., Hazotte, A. A., Sergent, A. S., Estrade, N., Cloquet, C., et al. (2015). Pseudo-first-order reaction of chemically and biologically formed green rusts with HgII and C15H15N3O2: Effects of pH and stabilizing agents (phosphate, silicate, polyacrylic acid, and bacterial cells). Water Research, 70, 266–278.
Wen, H., Fan, H., Zhang, Y., Cloquet, C., & Carignan, J. (2015). Reconstruction of early Cambrian ocean chemistry from Mo isotopes. Geochimica et Cosmochimica Acta, 164, 1–16.
Wen, H., Zhang, Y., Cloquet, C., Zhu, C., Fan, H., & Luo, C. (2015). Tracing sources of pollution in soils from the Jinding Pb–Zn mining district in China using cadmium and lead isotopes. Applied Geochemistry, 52, 147–154.


Deng, T. H. B., Cloquet, C., Tang, Y. T., Sterckeman, T., Echevarria, G., Estrade, N., et al. (2014). Nickel and zinc isotope fractionation in hyperaccumulating and nonaccumulating plants. Environmental Science & Technology, 48, 11926–11933.
Wen, H., Carignan, J., Chu, X., Fan, H., Cloquet, C., Huang, J., et al. (2014). Selenium isotopes trace anoxic and ferruginous seawater conditions in the Early Cambrian. Chemical Geology, 390, 164–172.


Yeghicheyan, D., Bossy, C., Bouhnik Le Coz, M., Douchet, C., Granier, G., Heimburger, A., et al. (2013). A Compilation of Silicon, Rare Earth Element and Twenty-One other Trace Element Concentrations in the Natural River Water Reference Material SLRS-5 (NRC-CNRC). Geostandards and Geoanalytical Research, 37(4), 449–467.


Tang, Y. T., Cloquet, C., Sterckeman, T., Echevarria, G., Carignan, J., Qiu, R. L., et al. (2012). Fractionation of stable zinc isotopes in the field-grown zinc hyperaccumulator Noccaea Caerulescens and the zinc-tolerant plant Silene Vulgaris. Environment Science & Technology, 46, 9972–9979.
Van Heghe, L., Engström, E., Rodushkin, I., Cloquet, C., & Vanhaecke, F. (2012). Isotopic analysis of the metabolically relevant transition metals Cu, Fe and Zn in human blood from vegetarians and omnivores using multi-collector ICP-mass spectrometry. Journal of Analytical Atomic Spectrometry, 27, 1327–1334.


Wen, H., Carignan, J., Zhang, Y., Fan, H. F., Cloquet, C., & Liu, S. (2011). Molybdenum isotopic records across the Precambrian-Cambrian boundary. Geology, 39(8), 775–778.


Haest, M., Schneider, J., Cloquet, C., Latruwe, K., Vanhaecke, F., & Muchez, P. (2010). Pb isotopic constraints on the formation of the Dikulushi Cu-Pb-Zn-Ag mineralisation, Kundelungu Plateau (Democratic Republic of Congo). Mineralium Deposita, 45(4), 393–410.
Krznaric, E., Wevers, J. H. L., Cloquet, C., Vangronsveld, J., Vanhaecke, F., & Colpaert, J. V. (2010). Zn pollution counteracts Cd toxicity in metal-tolerant ectomycorrhizal fungi and their host plant, Pinus sylvestris. Environmental Microbiology, 12, 2133–2141.
Wen, H. J., Carignan, J., Cloquet, C., Zhu, X. K., & Zhang, Y. X. (2010). Isotopic delta values of molybdenum standard reference and prepared solutions measured by MC-ICP-MS: Proposition for delta zero and secondary references. Journal of Analytical Atomic Spectrometry, 25(5), 716–721.


Cloquet, C., De Muynck, D., Signoret, J., & Vanhaecke, F. (2009). Urban/Peri-Urban Aerosol Survey by Determination of the Concentration and Isotopic Composition of Pb Collected by Transplanted Lichen Hypogymnia physodes. Environmental Science and Technology, 43(3), 623–629.
Sterckeman, T., Carignan, J., Srayeddin, I., Baize, D., & Cloquet, C. (2009). Availability of soil cadmium using stable and radioactive isotope dilution. Geoderma, 153, 372–378.


Brenot, A., Cloquet, C., Vigier, N., Carignan, J., & France-Lanord, C. (2008). Magnesium isotope systematics of the lithologically varied Moselle river basin, France. Geochimica et Cosmochimica Acta, 72(20), 5070–5089.
Cloquet, C., Carignan, J., Lehmann, M. F., & Vanhaecke, F. (2008). Variation in the isotopic composition of zinc in the natural environment and the use of zinc isotopes in biogeosciences: a review. Anal. Bioanal. Chem., 390, 451–463.
De Muynck, D., Cloquet, C., Smits, E., de Wolff, F. A., Quitté, G., Moens, L., et al. (2008). Lead isotopic analysis of infant bone tissue dating from the Roman era via multicollector ICP-mass spectrometry. Anal. Bioanal. Chem., 390, 477–486.
De Muynck, D., Cloquet, C., & Vanhaecke, F. (2008). Development of a new method for Pb isotopic analysis of archaeological artefacts using single-collector ICP-dynamic reaction cell-MS. Journal of Analytical Atomic Spectrometry, 23(1), 62–71.
Le Roux, G., Sonke, J. E., Cloquet, C., Aubert, D., & de Vleeschouwer, F. (2008). Comment on ‘‘The biosphere: A homogeniser of Pb-isotope signals” by C. Reimann, B. Flem, A. Arnoldussen, P. Englmaier, T.E. Finne, F. Koller and Ø. Nordgulen. Applied Geochemistry, 23, 2789–2792.
Resano, M., Marzo, P., Pérez-Arantegui, J., Aramendia, M., Cloquet, C., & Vanhaecke, F. (2008). Laser ablation-inductively coupled plasma-dynamic reaction cell-mass spectrometry for the determination of lead isotope ratios in ancient glazed ceramics for discriminating purposes. Journal of Analytical Atomic Spectrometry, 23, 1182–1191.


Cloquet, C., Carignan, J., & Libourel, G. (2006). Atmospheric pollutant dispersion around an urban area using trace metal concentrations and Pb isotopic compositions in epiphytic lichens. Atmospheric Environment, 40(3), 574–587.
Cloquet, C., Carignan, J., & Libourel, G. (2006). Isotopic composition of Zn and Pb atmospheric depositions in an urban/periurban area of northeastern France. Environmental Science & Technology, 40(21), 6594–6600.
Cloquet, C., Carignan, J., Libourel, G., Sterckeman, T., & Perdrix, E. (2006). Tracing source pollution in soils using cadmium and lead isotopes. Environmental Science & Technology, 40, 2525–2530.


Carignan, J., Libourel, G., Cloquet, C., & Le Forestier, L. (2005). Lead isotopic composition of fly ash and flue gas residues from municipal solid waste combustors in France: implications for atmospheric lead source tracing. Environmental Science & Technology, 39, 2018–2024.
Cloquet, C., Rouxel, O., Carignan, J., & Libourel, G. (2005). Natural Cadmium isotopic variations in eight geological reference materials (NIST 2711, BCR 176, GSS 1, GXR-1, GXR-2, Nod-P-1, Nod-A-1) and anthropogenic samples, measured by MC-ICP-MS. Geostandards and Geoanalytical Research, 29(1), 95–106.


Galy, A., Yoffe, O., Janney, P. E., Williams, R. W., Cloquet, C., Alard, O., et al. (2003). Magnesium isotope heterogeneity of the isotopic standard SRM980 and new reference materials for magnesium-isotope-ratio measurements. Journal of Analytical Atomic Spectrometry, 18(11), 1352–1356.


Supervision : supervisor for graduate students in Isotope geochemistry

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