On Sat, 14 Feb 2004 14:59:26 GMT, "Sir Charles W. Shults III"
wrote:

[snip...snip...]
If c) is true, then we have found what we are after. I notice that many
of the spheres have odd characteristics, such as "tapered" ends, or small
depressions. Could these be traces of some structure that an original
organism had?

Sponge-like critters would seem to be a possibility. They evolved very
early here and have fossilized remains that are similar to some of the
fragments.

http://www.colossal-fossil-site.com/...07porifera.htm
http://www.colossal-fossil-site.com/...06porifera.htm
http://www.oum.ox.ac.uk/children/fossils/sponges.htm

Of course, there's always the "Face on Mars" problem: Look at enough
chunks of rock and eventually you'll see something recognizable.
Would be cool, though...

--
Rich Webb Norfolk, VA