Oral Programme BG7.1

Traces of life from cells to planets
Convener: E. J. Javaux 
Co-Conveners: K. Lepot  and Bekker 
Session DetailsPoster Programme


Tuesday, 21 Apr 2009
Room: 22
Chairperson: Lepot and Javaux
13:30–13:45
EGU2009-7167
Potential and limitations in geochemical analysis of archean organic matter (solicited)
S. Derenne, F. Robert, L. Binet, and D. Gourier
13:45–14:00
EGU2009-1109
Highly elaborate putative microfossils from 3.02 Ga chert, Pilbara Craton: indications of cell division?
K. Sugitani, K. Grey, T. Nagaoka, K. Mimura, and M.R. Walter
14:00–14:15
EGU2009-364
Integration of TEM/Hrtem onservations and C-isotope geochemistry to characterize organic matter in early Archaean rocks
M Glikson, S. Golding, L. Duck, and R. Webb
14:15–14:30
EGU2009-10977
Age, Distribution and Preservation of Microbial Alteration Textures in the Precambrian Sub-seafloor (solicited)
N. McLoughlin, H. Furnes, D.J. Fliegel, A. Simonetti, N.R. Banerjee, H Staudigel, K. Muehlenbachs, M. de Wit, and M. Van Kranendonk
14:30–14:45
EGU2009-7373
Mineral artefacts mimicking microfossils in Archean rocks
K. Lepot, P. Philippot, and K. Benzerara
14:45–15:00
EGU2009-4888
Petroleum surface oil seeps from Palaeoproterozoic petrified giant oilfield
V. Melezhik, A. Fallick, M. Filippov, A. Lepland, D. Rychanchik, Yu. Deines, P. Medvedev, A. Romashkin, and H. Strauss
COFFEE BREAK
Chairperson: Javaux
15:30–15:45
EGU2009-13475
The Earliest Fossil Evidence for Life on Land and the Freshwater Origin of Algae?
L Battison, M.D. Brasier, and J.B. Antcliffe
15:45–16:00
EGU2009-2335
Ultrastructure of organic cell walls in Proterozoic microalgae
M. Moczydlowska-Vidal
16:00–16:15
EGU2009-4899
Traces of life on Mars are likely to be very small and very challenging to find
F. Westall, F. Foucher, and B. Cavalazzi