From: alastair@abmcdonald.leavethisout.freeserve.co.uk.retro.com   
      
   "Jim McCauley"  wrote in message   
   news:11k9au8929m5b95@corp.supernews.com...   
   > Looking for references on this.   
   >   
   > I'm particularly interested in the possibility that today's continents might   
   > be, at least in part, remnants of the crust of the smaller, pre-collision   
   > Earth.  The plates on which the continents ride today might be crust that   
   > was formed after the collision, upon which the old crustal fragments ride in   
   > the transportational dance of continental drift.   
   >   
   > Strange notion, this -- the modern continents being fractured and displaced   
   > scabs of an ancient planetary surface.  Has anyone seriously investigated   
   > this idea?   
      
   No the continents are being formed continuously by processes at plate margins.   
      
   However the you could investigate whether the Ring of Fire is a remnant of the   
   lunar forming collision.   
      
   Cheers, Alastair.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)