Is there a hero ?freya":1hpci4w1 said:When ever I see 'Blueberries' I immeadiately think - 'warm shallow sea'. When Mars was once the beholder of planet wide oceans, subjected to milder tidal velocities than the pre historic Earth, I see these Blueberries accumulating as a natural product of the O2 depletion of the Mars atmosphere :arrow: hematite precipitation in shallow waters. Surely a super computer running the right programme can throw out the result in a matter of hours, we may be talking about a billion years or so, of when a juvenile Mars, was much warmer and weter than today. I work in a mineral lab, wish I had 1 gram of Mars material to run through our instruments!!! Just 1 gram would answer a lot of questions, and of course create dozens more.