[meteorite-list] Speaking of tektites...
From: N Lehrman <nlehrman_at_meteoritecentral.com>
Date: Thu Apr 22 10:10:01 2004 Message-ID: <002101c2f9ac$c7532000$5198fea9_at_homeportal.2wire.net> This is a multi-part message in MIME format. ------=_NextPart_000_001E_01C2F969.B8912F00 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Jeannie and list; It's a nice idea, but in cases like the australasian fall, we're talking = thousands to millions of tonnes of tektites. This poses big enough = questions about the (undiscovered) source impact site without = speculating that the tektites represent ablated fractions of an = incomprehensibly bigger bolide which we also haven't found! As for the new Dunham Street, Park Forest micro-Tektoids, I don't have a = clue. Sorry. Norm Lehrman (http://tektitesource.com) ----- Original Message -----=20 From: TMS/TNS/HRC=20 To: meteorite-list_at_meteoritecentral.com=20 Sent: Wednesday, April 02, 2003 8:29 PM Subject: [meteorite-list] Speaking of tektites... Has anyone ever speculated about the fate of silicate = inclusions/graphite nodules/etc. near the surface of iron meteorites, = and ablate as they enter the atmosphere? I seem to remember long ago = hearing a theory that this was one explanation of the origin of = tektites. Ring a bell with anyone? Thoughts? Regards, Jeannie Devon From: Thetoprok_at_aol.com=20 To: meteorite-list_at_meteoritecentral.com=20 Sent: Wednesday, April 02, 2003 5:41 PM Subject: [meteorite-list] Tektites Adam, List, It would stand to reason that if these are in fact a part of the = fall, they will be magnetic, is this the case? If so, I would propose = that they are remnants of the formation of the crust, that were caught = up in the stones fall, following it to its destination, perhaps in an = 'eddy' area behind the stone. As far as the shingle thing goes, I have climbed upon the roof and = examined the material, no tektites here! (but there is some cool stuff!) = Of course that does not discount that theory completely. They do look like miniatures of my tektite collection. Discovery is = not impossible! Always Optimistic;-) Larry=20 ------=_NextPart_000_001E_01C2F969.B8912F00 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 6.00.2600.0" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT size=3D2>Jeannie and list;</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>It's a nice idea, but in cases like the australasian = fall,=20 we're talking thousands to millions of tonnes of tektites. This = poses big=20 enough questions about the (undiscovered) source impact site = without=20 speculating that the tektites represent ablated fractions of an = incomprehensibly=20 bigger bolide which we also haven't found!</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>As for the new Dunham Street, Park Forest = micro-Tektoids, I=20 don't have a clue. Sorry.</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>Norm Lehrman</FONT></DIV> <DIV><FONT size=3D2>(<A=20 href=3D"http://tektitesource.com">http://tektitesource.com</A>)</FONT></D= IV> <DIV> </DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2></FONT> </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">----- Original Message ----- </DIV> <DIV=20 style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B>=20 <A title=3Dmusnat_at_alaska.net = href=3D"mailto:musnat_at_alaska.net">TMS/TNS/HRC</A>=20 </DIV> <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> Wednesday, April 02, 2003 = 8:29=20 PM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [meteorite-list] = Speaking of=20 tektites...</DIV> <DIV><BR></DIV> <DIV><FONT size=3D4>Has anyone ever speculated about the fate of = silicate=20 inclusions/graphite nodules/etc. near the surface of iron = meteorites, and=20 ablate as they enter the atmosphere? I seem to remember long ago = hearing=20 a theory that this was one explanation of the origin of = tektites. =20 Ring a bell with anyone? Thoughts?</FONT></DIV> <DIV><FONT size=3D4></FONT> </DIV> <DIV><FONT size=3D4>Regards,</FONT></DIV> <DIV><FONT size=3D4>Jeannie Devon</FONT></DIV> <DIV><FONT size=3D4></FONT> </DIV> <DIV><FONT size=3D4></FONT> </DIV> <DIV><FONT size=3D4></FONT> </DIV> <DIV> </DIV> <DIV><B>From:</B> <A title=3DThetoprok_at_aol.com=20 href=3D"mailto:Thetoprok_at_aol.com">Thetoprok@aol.com</A> </DIV> <BLOCKQUOTE=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> Wednesday, April 02, = 2003 5:41=20 PM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [meteorite-list]=20 Tektites</DIV> <DIV><BR></DIV><FONT face=3Darial,helvetica><FONT lang=3D0 = face=3DArial size=3D2=20 FAMILY=3D"SANSSERIF"> Adam, List,<BR>It would stand to reason = that if=20 these are in fact a part of the fall, they will be magnetic, is this = the=20 case? If so, I would propose that they are remnants of the formation = of the=20 crust, that were caught up in the stones fall, following it to its=20 destination, perhaps in an 'eddy' area behind the stone.<BR>As far = as=20 the shingle thing goes, I have climbed upon the roof and = examined the=20 material, no tektites here! (but there is some cool stuff!) Of = course that=20 does not discount that theory completely.<BR>They do look like = miniatures of=20 my tektite collection. Discovery is not impossible!<BR>Always=20 Optimistic;-)<BR>Larry</FONT> = </FONT></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_001E_01C2F969.B8912F00-- Received on Thu 03 Apr 2003 01:46:38 AM PST |
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