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From: al@ames.UUCP (Al Globus)
Newsgroups: net.space
Subject: Re: Orphaned Response
Message-ID: <826@ames.UUCP>
Date: Thu, 28-Feb-85 14:02:48 EST
Article-I.D.: ames.826
Posted: Thu Feb 28 14:02:48 1985
Date-Received: Mon, 4-Mar-85 08:16:14 EST
References: <110@ISM780.UUCP> <5130@utzoo.UUCP>
Organization: NASA-Ames Research Center, Mtn. View, CA
Lines: 13

> >  As i remember it, the moon rocks had a high titanium content
> > relative to earth rocks. Since titanium is strong, light, and
> > can withstand high tempretures, it seems like building a titanium
> > extractor using some of the solar mirrors would be useful.
> 
> Actually, a fair number of earth rocks have substantial titanium
> content.  The problem with titanium is not finding it, but getting
> it out -- it's ferociously chemically active and hangs on TIGHT to
> elements like oxygen.  You've got to do a good job of separation,
> too, because even a trace of oxygen makes it brittle.
> -- 

And those same Moon rocks are about 60% oxygen (or was it 40%?).