Re: [meteorite-list] Mercurian Meteorites

[Troy Bell]

What about the weight? Will it be heavy or light or neither? What materials does Mercury contain that might be in one? Troy ----- Original Message ----- From: Matson, Robert To: 'Sterling K. Webb' ; Meteorite List Sent: Friday, April 12, 2002 8:01 PM Subject: [meteorite-list] Mercurian Meteorites Hi Sterling and List,   > Originally posted last June (2001), the statistics of transfer of impact ejecta from  >  planet to planet suggested that there should be 1 or 2 Mercurian meteorites that  >  have been collected but not (then) identified. The ratio of Martian to Mercurian  >  meteorites should be about 15:1. Since basalt requires a differentiated world,  >  Vesta is about as small as a basalt producer is likely to be, so the candidates  >  for the origin of these rocks have to be bigger.    Coincidentally enough, I was talking to Alan Rubin just yesterday about what a Mercurian (Hermian?) meteorite would look like.  Among other things, he said it would be low in metal and volatiles, highly shocked, and high in solar gases.  (On the latter point, I thought, "Great!  I'll just look for rocks high in solar gasses!  ;-)"   Cheers, Rob