Space/Science — HabitableZone

Space/Science » in reply to A very interesting color picture from MER-B

re: A very interesting color picture from MER-B

I think you're right. That's what I thought the first time I saw the layering a couple of days ago - volcanic ash (before the Tuesday press conference btw). Did you see the examples in the "re: pepper' subject heading posted by Marcia? You can get rounded volcanic particles in the deposits.

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