[meteorite-list] Need opinion on weathering grade

From: tett <tett_at_meteoritecentral.com>
Date: Thu Apr 22 10:27:51 2004
Message-ID: <003001c3ae39$b1babcc0$6400a8c0_at_Tettenborn>

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The weathering grade refers to the aqueous alteration of the internal =
matrix. I.E. Have the chondrules been changed after being soaked? You =
need to examine the inner matrix to be able to judge.

That said, it looks like much of the crust has been blasted off =
indicating this meteorite has been sitting around for a long time. The =
dark brown colour may also point to iron oxide. If I were to bet I =
would guess W2.

Cheers,

tett


From: Comcast Mail=20
  To: meteorite-list_at_meteoritecentral.com=20
  Sent: Tuesday, November 18, 2003 7:29 PM
  Subject: [meteorite-list] Need opinion on weathering grade


  Hello,

  Could any of the more experienced collectors/dealers give the opinion =
on the weathering grade of the following meteorite?
  =
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3D2203092188&category=3D=
3239

  Thanks

  Bob Evans
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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>The weathering grade refers to the =
aqueous=20
alteration of the internal matrix.&nbsp; I.E. Have the chondrules been =
changed=20
after being soaked?&nbsp; You need to examine the inner matrix to be =
able to=20
judge.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>That said, it looks like much of the =
crust has been=20
blasted off indicating this meteorite has been sitting around for a long =

time.&nbsp; The dark brown colour may also point to iron oxide.&nbsp; If =
I were=20
to bet I would guess W2.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Cheers,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>tett</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV><B>From:</B> <A title=3Dbobe5531_at_comcast.net=20
href=3D"mailto:bobe5531_at_comcast.net">Comcast Mail</A> </DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
  title=3Dmeteorite-list_at_meteoritecentral.com=20
  =
href=3D"mailto:meteorite-list_at_meteoritecentral.com">meteorite-list@meteor=
itecentral.com</A>=20
  </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Tuesday, November 18, =
2003 7:29=20
  PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [meteorite-list] Need =
opinion on=20
  weathering grade</DIV>
  <DIV><BR></DIV>
  <DIV><FONT face=3DArial size=3D2>Hello,</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
  <DIV><FONT face=3DArial size=3D2>Could any of the more experienced=20
  collectors/dealers give the opinion on the weathering grade of the =
following=20
  meteorite?</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2><A=20
  =
href=3D"http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&amp;item=3D22030921=
88&amp;category=3D3239">http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&amp=
;item=3D2203092188&amp;category=3D3239</A></FONT></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
  <DIV><FONT face=3DArial size=3D2>Thanks</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
  <DIV><FONT face=3DArial size=3D2>Bob =
Evans</FONT></DIV></BLOCKQUOTE></BODY></HTML>

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Received on Tue 18 Nov 2003 08:08:51 PM PST


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