[meteorite-list] Tiny Bubbles

From: Don Shervey <eagle1_at_meteoritecentral.com>
Date: Thu Apr 22 10:32:52 2004
Message-ID: <000201c40e8d$3ea9a7a0$5b87cfa9_at_1cp0t01>

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Hello List,

I just ran into something new I don't recall seeing discussed here. =
While examining a piece of Mesosiderite NWA 1817 (which I believe might =
be paired with NWA 1878), I found a small cavity in an inclusion with =
tiny gas bubbles. The inclusion has a fairly dark matrix, but the =
little cavity is filled with a very clear, glass like material and =
several bubbles are clearly visible.

Here is a link to some photos ranging from 0 to 100x. =
http://f2.pg.photos.yahoo.com/ph/skyrok99/album?.dir=3D/bd7d I took =
them through the eyepiece of the scope so they're not the best, but you =
can see the bubbles at the higher powers.=20

Is this common and I am just running into it for the first time? Any =
background on this clear material and how/why the gas was captured =
there? Maybe an impact with a beanaroid sometime in its past ;-)

Thanks for any feedback.

Don Shervey

 
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<DIV><FONT face=3DArial size=3D2>Hello List,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I just ran into something new I don't =
recall seeing=20
discussed here.&nbsp; While examining a piece of Mesosiderite NWA 1817 =
(which I=20
believe might be paired with NWA 1878), I found a small cavity in an =
inclusion=20
with tiny gas bubbles.&nbsp; The inclusion has a fairly dark matrix, but =
the=20
little cavity is filled with a very clear, glass like material and =
several=20
bubbles are clearly visible.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Here is a link to some photos ranging =
from 0 to=20
100x.&nbsp;&nbsp;<A=20
href=3D"http://f2.pg.photos.yahoo.com/ph/skyrok99/album?.dir=3D/bd7d">htt=
p://f2.pg.photos.yahoo.com/ph/skyrok99/album?.dir=3D/bd7d</A>&nbsp;&nbsp;=
&nbsp;&nbsp;I=20
took them through the&nbsp;eyepiece of the scope&nbsp;so they're not the =
best,=20
but&nbsp;you can see the bubbles&nbsp;at the higher =
powers.&nbsp;</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Is this common and I am just running =
into it for=20
the first time?&nbsp; Any background on this clear material and how/why =
the gas=20
was captured there?&nbsp; Maybe an impact with a beanaroid sometime in =
its past=20
;-)</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Thanks for any feedback.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Don Shervey</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV>&nbsp;</DIV></BODY></HTML>

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Received on Sat 20 Mar 2004 10:03:11 AM PST


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