They said that during the press-conference yesterday. If they were volcanic or impact related, they would have displaced sediment under them, and would be more prevalent at some layers. These things are homogeneously distributed throughout all layers and appear to have grown there, replacing material as they grew. Greg --- Chuck Hards <chuckhards@yahoo.com> wrote:
Brent, when did they say the spheres were not volcanic?
I specifically heard one of the scientists say that they were "probably" volcanic or impact-related.
C.
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