[meteorite-list] Mercurian Meteorites

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From: Troy <Troy_at_meteoritecentral.com>
Date: Thu Apr 22 09:50:26 2004
Message-ID: <001301c1e296$fa485260$0da9afce_at_default>

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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 -----=20
  From: Matson, Robert=20
  To: 'Sterling K. Webb' ; Meteorite List=20
  Sent: Friday, April 12, 2002 8:01 PM
  Subject: [meteorite-list] Mercurian Meteorites

  Hi Sterling and List,
  =20
> Originally posted last June (2001), the statistics of transfer of =
impact ejecta from=20
> planet to planet suggested that there should be 1 or 2 Mercurian =
meteorites that=20
> have been collected but not (then) identified. The ratio of Martian =
to Mercurian=20
> meteorites should be about 15:1. Since basalt requires a =
differentiated world,=20
> Vesta is about as small as a basalt producer is likely to be, so =
the candidates=20
> for the origin of these rocks have to be bigger.=20
  =20
  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! ;-)"
  =20
  Cheers,
  Rob
  =20

  =20

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<DIV><FONT size=3D2>What about the weight? Will it be heavy or light or =
neither?=20
What materials does Mercury contain that might be in one?</FONT></DIV>
<DIV><FONT size=3D2>Troy</FONT></DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: =
0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV=20
  style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
  <A href=3D"mailto:ROBERT.D.MATSON_at_saic.com"=20
  title=3DROBERT.D.MATSON_at_saic.com>Matson, Robert</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
href=3D"mailto:kelly_at_bhil.com"=20
  title=3Dkelly_at_bhil.com>'Sterling K. Webb'</A> ; <A=20
  href=3D"mailto:meteorite-list_at_meteoritecentral.com"=20
  title=3Dmeteorite-list_at_meteoritecentral.com>Meteorite List</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Friday, April 12, 2002 =
8:01=20
PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [meteorite-list] =
Mercurian=20
  Meteorites</DIV>
  <DIV><BR></DIV>
  <DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D990085900-13042002>Hi=20
  Sterling and List,</SPAN></FONT></DIV>
  <DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN=20
  class=3D990085900-13042002></SPAN></FONT> </DIV>
  <DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D990085900-13042002>>=20
  </SPAN></FONT>Originally posted last June (2001), the statistics of =
transfer=20
  of impact ejecta from<SPAN class=3D990085900-13042002><FONT =
color=3D#0000ff=20
  face=3DArial size=3D2> </FONT></SPAN></DIV>
  <DIV><SPAN class=3D990085900-13042002><FONT color=3D#0000ff =
face=3DArial=20
  size=3D2>></FONT> </SPAN> planet to planet suggested that =
there should=20
  be 1 or 2 Mercurian meteorites that<SPAN =
class=3D990085900-13042002><FONT=20
  color=3D#0000ff face=3DArial size=3D2> </FONT></SPAN></DIV>
  <DIV><SPAN class=3D990085900-13042002><FONT color=3D#0000ff =
face=3DArial=20
  size=3D2>></FONT> </SPAN> have been collected but not (then) =
identified.=20
  The ratio of Martian to Mercurian<SPAN =
class=3D990085900-13042002><FONT=20
  color=3D#0000ff face=3DArial size=3D2> </FONT></SPAN></DIV>
  <DIV><SPAN class=3D990085900-13042002><FONT color=3D#0000ff =
face=3DArial=20
  size=3D2>></FONT> </SPAN> meteorites should be about 15:1. =
Since basalt=20
  requires a differentiated world,<SPAN class=3D990085900-13042002><FONT =

  color=3D#0000ff face=3DArial size=3D2> </FONT></SPAN></DIV>
  <DIV><SPAN class=3D990085900-13042002><FONT color=3D#0000ff =
face=3DArial=20
  size=3D2>></FONT> </SPAN> Vesta is about as small as a basalt =
producer=20
  is likely to be, so the candidates<SPAN =
class=3D990085900-13042002><FONT=20
  color=3D#0000ff face=3DArial size=3D2> </FONT></SPAN></DIV>
  <DIV><SPAN class=3D990085900-13042002><FONT color=3D#0000ff =
face=3DArial=20
  size=3D2>></FONT> </SPAN> for the origin of these rocks have =
to be=20
  bigger.<SPAN class=3D990085900-13042002><FONT color=3D#0000ff =
face=3DArial=20
  size=3D2> </FONT></SPAN></DIV>
  <DIV><SPAN class=3D990085900-13042002></SPAN> </DIV>
  <DIV><SPAN class=3D990085900-13042002><FONT color=3D#0000ff><FONT =
size=3D2><FONT=20
  face=3DArial>Coincidentally enough, I was talking to Alan Rubin just=20
  yester</FONT><FONT face=3DArial>day about =
what</FONT></FONT></FONT></SPAN></DIV>
  <DIV><SPAN class=3D990085900-13042002><FONT color=3D#0000ff><FONT =
size=3D2><FONT=20
  face=3DArial>a Mercurian (</FONT><FONT face=3DArial>Hermian?) =
meteorite would=20
  l</FONT></FONT><FONT face=3DArial size=3D2>ook =
like.  </FONT><FONT=20
  face=3DArial size=3D2>Among other things, =
he</FONT></FONT></SPAN></DIV>
  <DIV><SPAN class=3D990085900-13042002><FONT color=3D#0000ff =
face=3DArial size=3D2>said=20
  it would be low in metal and volatiles, highly shocked, and high in=20
  solar</FONT></SPAN></DIV>
  <DIV><SPAN class=3D990085900-13042002><FONT color=3D#0000ff =
face=3DArial=20
  size=3D2>gases.  (On the latter point, I </FONT></SPAN><FONT =
size=3D2><FONT=20
  color=3D#0000ff><FONT face=3DArial><SPAN =
class=3D990085900-13042002>thought,=20
  "Great!  I'll just look for =
rocks</SPAN></FONT></FONT></FONT></DIV>
  <DIV><FONT size=3D2><FONT color=3D#0000ff><FONT face=3DArial><SPAN=20
  class=3D990085900-13042002>high in solar gasses! =20
  ;-)"</SPAN></FONT></FONT></FONT></DIV>
  <DIV><FONT size=3D2><FONT color=3D#0000ff><FONT face=3DArial><SPAN=20
  class=3D990085900-13042002></SPAN></FONT></FONT></FONT> </DIV>
  <DIV><FONT size=3D2><FONT color=3D#0000ff><FONT face=3DArial><SPAN=20
  class=3D990085900-13042002>Cheers,</SPAN></FONT></FONT></FONT></DIV>
  <DIV><FONT size=3D2><FONT color=3D#0000ff><FONT face=3DArial><SPAN=20
  class=3D990085900-13042002>Rob</SPAN></FONT></FONT></FONT></DIV>
  <DIV><FONT size=3D2><FONT color=3D#0000ff><FONT face=3DArial><SPAN=20
  class=3D990085900-13042002></SPAN></FONT></FONT></FONT> </DIV>
  <DIV><FONT size=3D2><FONT color=3D#0000ff><FONT face=3DArial><SPAN=20
  =
class=3D990085900-13042002></SPAN><BR> </DIV></BLOCKQUOTE></FONT></F=
ONT></FONT></BODY></HTML>

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Received on Fri 12 Apr 2002 10:57:40 PM PDT

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