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Scientists share multidisciplinary discoveries at 'Earth System Processes'

r, Australian Centre for Astrobiology at Macquariue University, will talk about a variety of fossil biosignatures in billion-year-old-plus deep-sea vent deposits in Australia.

Beda Hofmann, from the Natural History Museum in Bern, Switzerland, will review a newly-discovered fossil record of deep subsurface life found in volcanic rocks. These subsurface talks hold special importance in opening up new opportunities to explore for life on the early Earth and elsewhere in the Solar System.

Finally, Martin Van Kranendonk, Geological Survey of Western Australia, will describe hydrothermal environments associated with the oldest previously-reported cellular fossils (~3.5 billion years) from Australia.

In the poster session, Meredith Payne (Arizona State) will present a review of the prospects for hydrothermal life on Mars, focusing special attention on polar regions where volcanoes appear to have recently interacted with and melted polar ice, sustaining recent liquid water habitats near the surface. The Mars sites she will review are considered important potential candidates for future landed missions to Mars.

Other noteworthy sessions include:



Contact: Ann Cairns
acairns@geosociety.org
303-447-2020 ext1156
Geological Society of America
13-Jun-2001


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