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Re: tektites

ruby tuesday wrote:
> 
> ruby tuesday wrote:
> >  If tektites are impact melted earth material ... where are the Moon,
> > Mars, Vesta, etc. tektites?
> > Ruby
> Rick wrote:
> 
> >I found this in an old posting by Frank Stroik 12/11/96:
> 
> >> . Martian meteorites are tektites, because they are
> >> ejecta from another planet.
> 
> >So you could say that all the lunar, martian, vesta etc. meteorites
> >are really tektites.
> 
> Rick, thanks for going to the trouble to look that up, but Frank merely
> defines ejecta as tektite which really doesn't get us anywhere.
> What I a wondering is if impacts create lots of glassy material why
> don't we see glassy meteorites?
> 
> Ruby

I know Zagami has lots of glass in it, but it was not produced by the 
impact that liberated the meteorite.  It was from volcanic processes.  I 
don't know of any glassy meteorites that where produced by impact.

Rick K
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