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View Full Version : Clay Deposits Donít Prove Existence of Ancient Martian Lakes



Fraser
2012-Sep-10, 10:00 AM
HiRISE image of branching features in the floor of Antoniadi Crater thought to contain clay material. (NASA/JPL/University of Arizona) In the hunt for evidence of a warmer, wetter past on Mars, clay deposits have been viewed as good indications that stable liquid water existed on its surface for some time — perhaps even long enough [...]

More... (http://www.universetoday.com/97268/clay-deposits-dont-prove-existence-of-ancient-martian-lakes/)