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Tectonics, Erosion and Relief Evolution

Animators : Julien Charreau & Jérôme Lavé

Permanent investigators : Pierre-Henri Blard, Julien Charreau, Mary Ford, Christian France-Lanord, Jérôme Lavé, Raphaël Pik, Albert Galy, Thomas Rigaudier, Mustapha Zakari

Postdoc fellows : Gianluca Frasca, Ruben Rosenkranz

PhD students : Paul Angran (2014-2017), Arjan Grool (2014-2018), Sébastien Ternois (2015-), Sébastien Lénard (2015-), Apolline Mariotti (2016-), Antoine Cremades (2018-)


Through continental reliefs, the surface of our planet illustrates the on-going interactions between the geodynamic processes that lead to the construction of topographies and the erosion processes that tend to dig up these topographies and then erase them. Understanding the evolution of terrestrial landforms as resulting from endogenous, exogenous processes (climate) and feedback loops, represents in itself a major topic in geology and geomorphology. This research theme will aim to unite all of the CRPG’s efforts focusing on the processes that control the evolution of terrestrial landforms. Our research group covers a breadth of disciplines (geochemistry, geomorphology, and tectonics), which allows for an integrative view of many processes. The group also relies on many tools and methods which enable, on one hand, the quantification of the mechanisms involved along different time and space scales, and on the other hand, the dating constraints (cosmogenic isotopes, thermochronology and magnetostratigraphy). To better understand the mechanisms of relief creation, our scientific approach will be based on the study of lithospheric deformation from areas of rifting to region of convergence zones. We will study in parallel the various processes of physical erosion and weathering, as well as their coupling.

Dynamics of continental deformation : from rifting to collision
Mechanisms of physical and chemical erosion and sediment transport
Tectonic/topography/erosion/climate couplings






Recent publications

2021

Mariotti, A., P. H. Blard, J. Charreau, S. Toucanne, S. J. Jorry, S. Molliex, D. L. Bourlès, G. Aumaître, and K. Keddadouche. "Nonlinear forcing of climate on mountain denudation during glaciations." Nature Geoscience 14 (2021): 16–22.
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Molliex, S., G. Jouet, P. H. Blard, J. Moreau, J.E.A. J. Storms Demartini, C. Vella, and Aster Team. "Quaternary evolution of the Golo river alluvial plain (NE Corsica, France)." Quaternary Geochronology 61 (2021): 101115.
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2020

Bahnan, A. E., C. Carpentier, J. Pironon, M. Ford, M. Ducoux, G. Barré, X. Mangenot, and E. C. Gaucher. "Impact of geodynamics onfluid circulation and diagenesis of carbonatereservoirs in a foreland basin: Example of the Upper Lacq reservoir(Aquitaine basin, SW France)." Marine and Petroleum Geology 111 (2020): 676–694.
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Bergmann, F., T. Schwenk, V. Spiess, and C. France-Lanord. "Middle to Late Pleistocene architecture and stratigraphy of the lower Bengal Fan—Integrating multichannel seismic data and IODP Expedition 354 Results." Geochemistry, Geophysics, Geosystems G3 21 (2020): e2019GC008702.
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Bernard, T., H. D. Sinclair, M. Naylor, F. Christophoul, and M. Ford. "Post‐orogenic sediment drape in the Northern Pyrenees explained using a box model." Basin Research (2020).
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Blahut, J., I. Mitrovic-Woodell, I. Baron, M. René, M. Rowberry, P. H. Blard, J. F. Balek Hartvich, and S. Meletlidis. "Volcanic edifice slip events recorded on the fault plane of the San Andrés Landslide, El Hierro, Canary Islands." Tectonophysics 776 (2020): 228317.
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Charreau, J., J. Lavé, C. France-Lanord, N. Puchol, P. H. Blard, R. Pik, A. P. Gajurel, and ASTER Team. "A 6 Ma record of palaeodenudation in the central Himalayas from in situ cosmogenic 10 Be in the Surai section." Basin Research (2020): 1–22.
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Charreau, J., A. Sartégou, D. Saint-Carlier, J. Lavé, P. H. Blard, S. Dominguez, S. Li Wang, G. Rao, and ASTER Team. "Late Miocene to Quaternary slip history across the Qiulitag anticline in the southern Tianshan piedmont." Terra Nova 32 (2020): 89–96.
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Ford, M., and J. Vergés. "Evolution of a salt-rich transtensional rifted margin, eastern North Pyrenees, France." Journal of the Geological Society (2020): jgs2019–157.
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Gou, L. F., Jin, Z.D., A. Galy, Y. Z. Gong, X. Y. Nuan, C. Jin, X. D. Wang, J. Bouchez, H. M. Cai, J. B. Chen, H. M. Yu et al. "Seasonal riverine barium isotopic variation in the middle Yellow River : Sources and fractionation." Earth and Planetary Science Letters 531 (2020): 115990.
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Huyghe, P., M. Bernet, A. Galy, M. Naylor, J. Cruz, B. R. Gyawali, L. Gemignani, and J. L. Mugnier. "Rapid exhumation since at least 13 Ma in the Himalaya recorded by detrital apatite fission-track dating of Bengal fan (IODP Expedition 354) and modern Himalayan river sediments." Earth and Planetary Science Letters 534 (2020): 116078.
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Lénard, S., J. Cruz, C. France-Lanord, J. Lavé, and B. T. Reilly. "Data report : calcareous nannofossils and lithologic constraints on the age model of IODP Site U1450, Expedition 354, Bengal Fan." Proceedings of the International Ocean Discovery Program 354 (2020): 1–5.
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Lénard, S., J. Lavé, C. France-Lanord, G. Aumaître, D. Bourlès, and K. Keddadouche. "Steady erosion rates in the Himalayas through late Cenozoic climatic changes." Nature Geoscience (2020).
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Litty, C., J. Charreau, P. H. Blard, R. Pik, and S. Nomade. "Spatial variability of Quaternary denudation rates across a volcanic ocean island (Santo Antão, Cape Verde) from cosmogenic 3He." Geomorphology 375 (2020): 107557.
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Märki, L., M. Lupker, A. P. Gajurel, H. Gies, N. Haghipour, S. Gallen, C. France-Lanord, J. Lavé, and T. Eglinton. "Molecular tracing of riverine soil organic matter from the Central Himalaya." Geophysical Research Letters 47, no. 16 (2020): e2020GL087403.
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