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US scientists have discovered salt deposits on the surface of Mars, indicating water was once plentiful and pointing to sites that could provide evidence of past life, a new study says.'
They discovered some 200 separate salt deposits in the southern hemisphere of Mars and at mid to low-level latitudes in terrain the scientists described as ancient and heavily cratered.
"Many of the deposits lie in basins with channels leading into them,'' said journal co-author Philip Christensen from the University of Arizona.
The deposits appear to be disconnected, so "we don't think they all came from one big, global body of surface water,'' she said.
Instead "they could come from groundwater reaching the surface in low spots. The water would evaporate and leave mineral deposits, which build up over years,'' she said.
Originally posted by chromatico
reply to post by SilentShadow
It's interesting, because I recall another recent news release that claimed that ancient Mars was likely TOO salty to sustain life!