John Hendry gave us a good description of gold forming processes but
there is another method. This is the direct deposition of gold that has
been dissolved by biologic processes and not necessarily at higher than
surface temperatures. Here's one article:
http://www.asknature.org/strategy/c7372dfb952636b3557a79e175387755
and here is one of a somewhat unique example of gold crystallizing on a
1908 gold coin found in Alaska:
http://www.springerlink.com/content/vnr200440355pm42/
So, has anyone come across a gold plated meteorite?
Chauncey
I drove by the Holiday Inn show in Denver yesterday and it looks like
they are already cranking up.
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