St-Onge, Guillaume

Professeur en géologie marine

Directeur de Institut des sciences de la mer de Rimouski

Campus : Campus de Rimouski

Courriel :

Téléphone : 418 723-1986, poste 1741

Téléphone sans frais : 1 800 511-3382, poste 1741

Bureau : O-108

Domaines de recherche :

  • Géologie marine
  • Paléomagnétisme
  • Sédimentologie
  • Stratigraphie quaternaire
  • Risques naturels
  • Paléoclimatologie
  • Paléocéanographie

Chaire de recherche du Canada en géologie marine

Laboratoire de paléomagnétisme et géologie marine

Recherches et expertises

  • Stage postdoctoral, INRS, Eau-Terre et Environnement, 2004
  • Doctorat en Sciences, Ph. D Ressources minérales, Université du Québec à Montréal, 2004 
  • Maîtrise en Sciences, M. Sc Sciences de la terre, Université du Québec à Montréal, 2000 
  • Baccalauréat en Sciences, B. Sc Géographie physique, Université du Québec à Montréal, 1998

Publications et communications


Les droits des documents présentés sur cette page appartiennent à leurs auteurs respectifs (voir pour chaque publication les noms des auteurs). Les lecteurs de cette page sont autorisés à télécharger une copie de chaque publication pour leur usage personnel. Une autorisation écrite des détenteurs de chacun des copyrights est nécessaire pour une distribution ou un autre usage de ce matériel scientifique.

Articles soumis/submitted articles (*indique mes étudiants)/Papers submitted for publication (*indicates my students)

  • Mérindol*, M., Sultan, N., St-Onge, G., Garziglia, S., Lajeunesse, P. soumis. Location of the 1663 CE earthquake (M ≥ 7) in the St. Lawrence Estuary (Canada) using sediment liquefaction analysis. Engineering Geology.
  • Fabbri*, S., Sabatier, Paris, R., Biguenet, M., Falvard, S., Feuillet, N., St-Onge, G., Chaumillon, E. soumis. Earthquake-related tsunami archives based on sediments from coastal lagoons in the Lesser Antilles. PAGES Magazine.
  • Coulombe, S., Fortier, D., Lacelle, D., Guertin-Pasquier, A., St-Onge, G. soumis. Is the oldest Northern Hemisphere glacier ice remnant buried in the permafrost of Bylot Island, Nunavut. Geophysical Research Letters.

Articles acceptés sous réserve de modifications/Papers accepted for publication

  • Fabbri*, S., Sabatier, P., Paris, R., Falvard, S., Feuillet, N., Lothoz, A., St-Onge, G., Gailler, A., Cordie, L., Arnaud, F., Biguenet, M., Coulombier, T., Mitra, S., Chaumillon, E. accepté sous réserve de modifications. Deciphering the sedimentary imprint of tsunami and storm deposits in the Lesser Antilles (Saint Martin): A 3500-year record in a coastal lagoon. Marine Geology.
  • Mérindol*, J., Cauchy, P., St-Onge, G., Gervaise, C. accepté sous réserve de modifications. Assessment of the St. Lawrence Estuary soundscape. Dans : Popper, A. N. et Hawkins, A. D. (Éds), The effects of noise on aquatic life.  Springer Science+Business Media. New York.

Articles sous presse/Papers in press 

  • Seibert, C. (incluant St-Onge). sous presse. Sedimentary records in the Lesser Antilles fore-arc basins testify the occurrence of large late Quaternary megathrust earthquakes. Geochemistry, Geophysics, Geosystems.

Articles publiés/Published articles 


  • Rodríguez-Cuicas*, M.E., Montero-Serrano, J.-C., St-Onge, G., Normandeau, A. 2023. A 600-year marine record associated with the dynamics of the eastern Penny Ice Cap (Baffin Island, Nunavut, Canada. Journal of Quaternary Science, doi: 10.1002/jqs.3531.
  • Philippe*, É.G.H., St-Onge, G., Valet, J.-P., Godbout, P.-M., Egli, R., Francus, P., Roy, M. 2023. Influence of lithology on the remanent magnetization as recorded in varved sediments from the glacial Lake Ojibway (Canada). Geochemistry, Geophysics, Geosystems 24, e2022GC010707.
  • Desiage*, P.-A., St-Onge, G., Duchesne, M.J., Montero-Serrano, J.-C., Haller, M.J. 2023. Late Pleistocene and Holocene evolution of sedimentary environments associated with postglacial transgression in the Gulf of San Jorge, central Patagonia, Argentina. Journal of Quaternary Science, doi: 1002/jqs.3511.
  • Duboc*, Q., Lajeunesse, P., St-Onge, G., Moros, M., Perner, K. 2023. Holocene sedimentary sequences from Nachvak and Saglek Fjords (Northern Labrador) as a record of deglaciation of the Torngat Mountains and Hudson Bay. Quaternary Science Reviews 307, 108046.
  • Faye*, S., Rochon, A, St-Onge, G., Vilanova, I., de Vernal, A., Desiage, P.-A. 2023. Southern westerly winds and paleoceanography of the San Jorge Gulf (SW-Atlantic Ocean, Argentina) during the last 14,000 years. Quaternary Science Reviews 299, 107858.
  • Philippe*, É.G.H., Valet, J.-P., St-Onge, G. Impact of turbulence on magnetic alignment in sediments. Frontiers in Earth Science 10:1079229, doi: 10.3389/feart.2022.1079229.


  • Philippe*, É.G.H., Valet, J.-P., St-Onge, G. 2022. Impact of turbulence on magnetic alignment in sediments. Frontiers in Earth Science 10:1079229, doi: 10.3389/feart.2022.1079229.
  • Velle*, J., Walczak, M., Reilly, B., St-Onge, G., Stoner, J., Fallon, S., Mix, A., Belanger, C., Forwick, M. 2022. High-resolution inclination records from the Gulf of Alaska, IODP Expedition 341 Sites U1418 and U1419. Geophysical Journal International 229, 345–358.
  • Mérindol*, M., St-Onge, G., Sultan, N., Lajeunesse, P., Garziglia, S. 2022. Earthquake-triggered submarine landslides in the St. Lawrence Estuary (Québec, Canada) during the last two millennia and the record of the major 1663 CE M ≥ 7 event. Quaternary Science Reviews 291, 107640. Palmarès des découvertes de l’année du magazine Québec Science.
  • Stevenard, N., Montero-Serrano, J.-C., Eynaud, F., St-Onge, G., Zaragosi, S. 2022. Lateglacial and Holocene sedimentary dynamics in northwestern Baffin Bay as recorded in sediment cores from Cape Norton Shaw Inlet (Nunavut, Canada). Boreas 51, 532–552.
  • Haller, M., Sanchez-Carnero*, N., St-Onge, G., Desiage*, P.-A. 2022. Submarine images of the northern section of Golfo San Jorge, Patagonia, Argentina. Actes du XXIe Congrès géologique argentin, p. 867-868.


  • Lund, S.P., Richardson, M., Verosub, K., King, J., Champion, D., St-Onge, G. 2021. Comparison and Renormalization of Holocene Paleointensity Records From Central North America (17°N–51°N, 205°E–295°E). Earth and Space Science 8, e2021EA001900,
  • Letaïef*, S., Montero-Serrano, J.C., St-Onge, G., 2021. Sedimentary processes within the Canadian Arctic Archipelago: relationships among Sedimentological, geochemical, and magnetic sediment properties. Geochemistry, Geophysics, Geosystems 22, e2021GC009719.
  • Bieber*, A. St-Onge, G., Feuillet, N., Carlut, J., Moreno, E., Michel, E. 2021. Regional chronostratigraphy in the eastern Lesser Antilles Quaternary fore-arc and accretionary wedge sediments: relative paleointensity, oxygen isotopes and reversals. Quaternary Geochronology 65, 101179.
  • Narancic, B., Saulnier-Talbot, É., St-Onge, G., Pienitz, R. 2021. Diatom sedimentary assemblages and Holocene pH reconstruction from the Canadian. Écoscience, doi: 10.1080/11956860.2021.1926642.
  • Nzekwe*, O, P., Lapointe, F., Francus, P., St-Onge, G., Lajeunesse, P., Fortin, D., Jenny, J.-P., De Coninck, A., Philippe*, É.G.H., Labarre, T. 2021. A new ~900-year varved record in Lake Walker, Québec North Shore, eastern Canada: insight on Late Holocene climate mode of variability. Journal of Paleolimnology 67, 35-57.
  • Locat, J., Locat, A., Lemieux, J.-M., Demers, D., Locat, P., St-Onge, G., Habersetzer, M. 2021. The characterization of an event layer in Champlain Sea sediments at the 2010 St. Jude landslide (Québec, Canada): regional implications and contributions from piezocone data. Compte-rendu du congrès GéoNiagara 2021.


  • Lapointe*, F., Francus P., Bradley, R.S., Balascio, N., Abbott, M., Stoner, J., St-Onge, G., De Coninck, A., Labarre, T. 2020. Annually resolved Atlantic sea surface temperature variability over the past 2,900 y. Proceedings of the National Academy of Sciences, L’une des 10 découvertes de l’année de Québec-Science.
  • Simon, F., Rochon, A., St-Onge, G., Torre, I. 2020. Pollen dispersal patterns in marine surface sediments from the San Jorge Gulf, SE Patagonia (Argentina). Palaeogeography, Palaeoclimatology, Palaeoecology 556, 109869.
  • Giraudeau, J., Georgiadis, E., Caron*, M., Martinez, P., St-Onge, G., Billy, I., Lebleu, P., Ther, O., Massé, G. soumis. A high-resolution elemental record of post-glacial lithic sedimentation in 1 Upernavik Trough, western Greenland: history of ice-sheet dynamics and ocean circulation changes over the last 9 100 years. Global and Planetary Change 191, 103217.
  • Hétu, B., Rémillard*, A., Bernatchez, P., St-Onge, G. 2020. Landforms and Landscapes of the Magdalen Islands: The Role of Geology and Climate. Dans : O. Slaymaker et N. Catto (Éds.), Landscapes and Landforms of Eastern Canada. Springer Nature, Switzerland,
  • Caron, M.*, Montero-Serrano, J.-C., St-Onge, G., Rochon, A. 2020. Quantifying Provenance and Transport Pathways of Holocene Sediments From the Northwestern Greenland Margin. Paleoceanography and Paleoclimatology, 34.
  • Normandeau, A., Bourgault, D., Neumeier, U., Lajeunesse, P., St-Onge, G., Gostiaux, L., Chavanne, C. 2020. Direct monitoring of upslope migrating cyclic steps during storm-induced turbidity currents. Sedimentology 67, 1045-1068.
  • Lévesque*, Y., St-Onge, G., Lajeunesse, P., Desiage, P.-A., Brouard, É. 2020. Defining the maximum extent of the Laurentide Ice Sheet in Home Bay cross-shelf trough during the Last glacial episode. Boreas 49, 52-70.
  • Caron*, M., Rochon, A., Montero-Serrano, J.-C., St-Onge, G. 2020. Evolution of sea‐surface conditions on the northwestern Greenland margin during the Holocene. Journal of Quaternary Science 34, 569-580.


  • Haberzettl, T., Daut, G., Schulze, N., Spiess, V., Wang, J., Zhu, L. and the 2018 Nam Co workshop party (incluant G. St-Onge). 2019. ICDP workshop on scientific drilling of Nam Co on the Tibetan Plateau: 1 million years of paleoenvironmental history, geomicrobiology, tectonics and paleomagnetism derived from sediments of a high-altitude lake. Scientific Drilling 25, 63-70.
  • Lapointe*, F., Bradley, R., Cook, T., Francus, Pi, Abbott, M., Balascio, N., St-Onge, G., Stoner, J., Forman, S. 2019. Chronology and sedimentology of a new 2.9 ka annually laminated record from South Sawtooth Lake, Ellesmere Island. Quaternary Science Reviews 222, article 105875.
  • Casse*, M., Montero-Serrano, J.-C., St-Onge, G., Poirié, A. 2019. REE distribution and Nd isotope composition of estuarine waters and bulk sediment leachates tracing lithogenic inputs in eastern Canada. Marine Chemistry 211, 117-130.
  • Deschamps*, C.-É., Montero-Serrano, J.-C., St-Onge, G., Poirié, A. 2019. Holocene changes in deep water circulation in the western Arctic Ocean inferred from authigenic Nd and Hf isotopes. Paleoceanography and Paleoclimatology 34, 1038-1056.
  • Leng, W., von Dobeneck, T., Just, J., Govin, A., St-Onge, G., Piper, D.J.W. 2019. Compositional changes in deglacial red mud event beds off the Laurentian Channel reveal source mixing, grain-size partitioning and ice retreat. Quaternary Science Reviews 215, 98-115.
  • Lisé-Pronovost, A., Salomon, F., Goiran, J.-P., St-Onge, G., Herries, A, I. R., Montero-Serrano, J.C., Heslop, D., Roberts, A. P., Levchenko, V., Zawadzki, A., Heijnis, H. 2019. Dredging and Canal Gate Technologies in the Ancient Harbour of Rome from Multi-Proxy Sediment Analysis. Quaternary International 511, 78-93.
  • Caron*, M., St-Onge, G., Montero-Serrano, J.-C., Rochon, A., Georgiadis, E., Giraudeau, J., Massé, G. 2019. Holocene chronostratigraphy of northeastern Baffin Bay based on radiocarbon and paleomagnetic data. Boreas 48, 147-165.
  • Gagnon-Poiré, A., Lajeunesse, P., Normandeau, A., Francus, P., St-Onge, G., Nzekwe, O.P., 2019. Corrigendum to “Late-Quaternary glacial to postglacial sedimentation in three adjacent fjord-lakes of the Québec North Shore (eastern Canadian Shield)” [Quat. Sci. Rev. 186 (2018) 91–110]. Quaternary Science Reviews 220, 401-403.

















  • St-Onge, G. and Hillaire-Marcel, C. 2000. Inventaire des couches accidentelles récentes dans le fjord du Saguenay à partir des propriétés physiques de carottes de forages. 53rd Canadian Geotechnical Conference, Montréal. Conference preceedings : 145-151.


logo mobile