folks>>>
If its metal, its from the Phoenix. But what bothers me is this. The blasters scarred and removed the topsoil layer, blasted it all away. Lets live with that. Underneath the topsoil layer would be a 'hardened' surface of either rock, mixed frozen substrate[sand-mud granules etc...] or dirty ice!
Now, if its metal then this screw or clip seems to be embedded in the hardened surface. So again if its metal then perhaps it was a hot piece from the blasters machinery and actually fell off and melted in situ. Then this observation would make some sort of sense.
But if it is 'fossil-rock' exposed from the blasters, then that's another issue altogether. Really, isn't that what NASA and the U of A are doing there in the first place? Finding any accessibility to life? Truly, NASA has got to investigate.
So whatever we see here at this time is still a complete unknown.
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Thanks for those pics Horton.