[Grut]

Look at the white rock in the lower left. Do you suppose it will be a carbonate?

Nice try, but whoever photoshopped it forgot to put a shadow beside it.

[Phil V.]

Nice try, but whoever photoshopped it . . .

Sorry . . . raw images direct from Mars . . . direct from NASA/JPL site . . . . Or you suggesting that NASA/JPL edits the pics before posting?