Space/Science — HabitableZone

Space/Science » in reply to re: Excuse me, pardon me.

re: Excuse me, pardon me.

I don't think they're andesites at all, and I don't think Planatia Utopia was andesite, nor Pathfinder. They may contain bits and pieces of ingenous fragments, but on a planet loaded with water and no plate tectonics? Nope.

These hills are the outer ring of a large impact, the material we see eroding out of the middle of the hill was once on the bottom of the plain.

Whatever water that was entrained within those hills froze, remelted and ran down the hill creating the smoother looking goethite containing rocks higher in salts. I see embedded rounded pebbles, nodules, many angular fragments, and outlines of fossils. Like I said, I believe that these things are fossil conglomerates derived from parent basalts. The fact that they are high in phosphorus, 10 times higher than the plains rocks, and the phosphorus content of the plains rocks was definitely not insignificant (you can clearly see the apxs spike), and slightly depleted in salts relative to the spur rocks, screams water, water, water, everywhere.

I believe Mars once has oceans, and I believe Mars now has ice sheets, during that time extremophile based life had plenty of time to evolve, therefore, we should be looking for fossils. There surely were many explosions involved in carving these rocks, one of them may very well have been an extremophile explosion, induced by climatic and environmental stresses.

But what do I know, I'm just a crank.

Word of advice : the fluid was water.

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