Publications | INSTITUT DE PHYSIQUE DU GLOBE DE PARIS

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17 resultats trouvés
Filtres: Auteur est Lepot, K.  [Clear All Filters]
2011
Lepot, K., K. Benzerara, and Pascal Philippot. "Biogenic versus metamorphic origins of diverse microtubes in 2.7 Gyr old volcanic ashes: Multi-scale investigations." Earth and Planetary Science Letters 312, no. 1-2 (2011): 37-47.
2010
Lepot, K., Pascal Philippot, K. Benzerara, and E. Javaux. "Searching for Traces of Life in Ancient Stromatolites down to the Nanoscale." Origins of Life and Evolution of Biospheres 40, no. 6 (2010): 529-530.
2009
Philippot, Pascal, M. Van Kranendonk, Mark A. van Zuilen, K. Lepot, N. Rividi, Y. Teitler, C. Thomazo, M. M. Blanc-Valleron, J. M. Rouchy, E. Grosch et al. "Early traces of life investigations in drilling Archean hydrothermal and sedimentary rocks of the Pilbara Craton, Western Australia and Barberton Greenstone Belt, South Africa." Comptes Rendus Palevol 8, no. 7 (2009): 649-663.
Lepot, K., Pascal Philippot, K. Benzerara, and G. Y. Wang. "Garnet-filled trails associated with carbonaceous matter mimicking microbial filaments in Archean basalt." Geobiology 7, no. 4 (2009): 393-402.
Lepot, K., K. Benzerara, N. Rividi, M. Cotte, G. E. Brown, and Pascal Philippot. "Organic matter heterogeneities in 2.72 Ga stromatolites: Alteration versus preservation by sulfur incorporation." Geochimica Et Cosmochimica Acta 73, no. 21 (2009): 6579-6599.
2008
Van Kranendonk, M. J., Pascal Philippot, K. Lepot, S. Bodorkos, and F. Pirajno. "Geological setting of Earth's oldest fossils in the ca. 3.5 Ga Dresser Formation, Pilbara Craton, Western Australia." Precambrian Research 167, no. 1-2 (2008): 93-124.
Lepot, K., K. Benzerara, G. E. Brown, and Pascal Philippot. "Microbially influenced formation of 2,724-million-year-old stromatolites." Nature Geoscience 1, no. 2 (2008): 118-121.
Philippot, Pascal, Mark A. van Zuilen, K. Lepot, C. Thomazo, J. Farquhar, and M. J. Van Kranendonk. "Response to comment on "Early Archaean microorganisms preferred elemental sulfur, not sulfate"." Science 319, no. 5868 (2008).
Benzerara, K., S. Bernard, K. Lepot, J. Miot, and G. E. Brown. "STXM-based study of microbial fossils in recent and ancient rocks." Geochimica Et Cosmochimica Acta 72, no. 12 (2008): A75.
2007
Philippot, Pascal, Mark A. van Zuilen, K. Lepot, C. Thomazo, J. Farquhar, and M. J. Van Kranendonk. "Early Archaean microorganisms preferred elemental sulfur, not sulfate." Science 317, no. 5844 (2007): 1534-1537.
Philippot, Pascal, Mark A. van Zuilen, K. Lepot, C. Thomazo, J. Farquhar, and A. Van Kranendonk. "Elemental-sulfur reducing or disproportionating organisms in a similar to 3,5 Myr-old seafloor setting." Geochimica Et Cosmochimica Acta 71, no. 15 (2007): A786.
Lepot, K., K. Benzerara, and Pascal Philippot. "Nano-carbonate clustering in organic globules supports a biogenic origin of 2.7 Gyr old stomatolites." Geochimica Et Cosmochimica Acta 71, no. 15 (2007): A562.
2006
Benzerara, K., N. Menguy, K. Lepot, and G. E. Brown. "GEOC 127-Study of bioweathering and nano-biominerals at the nanoscale in natural samples." Abstracts of Papers of the American Chemical Society 232 (2006).
Lepot, K., Pascal Philippot, K. Benzerara, and M. Cotte. "In situ characterisation techniques used to test the biogenicity of biomorphic structures in 2.72 Ga pristine drill core samples from the Tumbiana formation, Western Australia." Geochimica Et Cosmochimica Acta 70, no. 18 (2006): A353.
Philippot, Pascal, K. Lepot, C. Thomazo, Magali Ader, and M. Van Kranendonk. "Origin of carbonaceous matter in 3525 Myr-old hydrothermally altered subseafloor sediments from the dresser formation, pilbara craton." Geochimica Et Cosmochimica Acta 70, no. 18 (2006): A489.
Van Kranendonk, M., Pascal Philippot, and K. Lepot. "The Pilbara Drilling Project: c.2.72 Ga Tumbiana Formation and c. 3.49 Ga Dresser Formation, Pilbara Carton, Western AustraliaWestern Australia." Geological Survey, Record 14 (2006).