[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> This is a multi-part message in MIME format. ------=_NextPart_000_00DF_01C40E5A.2B58C560 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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 ------=_NextPart_000_00DF_01C40E5A.2B58C560 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2800.1400" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>Hello List,</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>I just ran into something new I don't = recall seeing=20 discussed here. 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. 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> </DIV> <DIV><FONT face=3DArial size=3D2>Here is a link to some photos ranging = from 0 to=20 100x. <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> = I=20 took them through the eyepiece of the scope so they're not the = best,=20 but you can see the bubbles at the higher = powers. </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Is this common and I am just running = into it for=20 the first time? Any background on this clear material and how/why = the gas=20 was captured there? Maybe an impact with a beanaroid sometime in = its past=20 ;-)</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Thanks for any feedback.</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Don Shervey</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV> </DIV></BODY></HTML> ------=_NextPart_000_00DF_01C40E5A.2B58C560-- Received on Sat 20 Mar 2004 10:03:11 AM PST |
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