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Re: insects

On Mon, 19 Jun 1995, Art Berggreen wrote:
> >Are insects fossilized the same way that dinosaurs are?
> I believe that most insects (and related small creatures) are
> fossilized as carbon films or as imprints, usually in fine
> grained sediments.  Dinosaurs are mainly known from their
> bones, usually permineralized, but sometimes fully replaced.
> Insects are also known from amber, and I'm sure everyone would
> love to see a dinosaur preserved in amber!  There are some
> miocene insects from Southern California that were replaced
> by silica and retain exquisite 3-D shape and detail.
Sounds fascinating! Not to digress too much, but I'd like to 
see same. Any references for these? How about insect sign
in general?