[meteorite-list] Example of Lipping and direction stumper.TAKE 2
From: Rob Lenssen <rlenssen_at_meteoritecentral.com>
Date: Tue, 28 Jul 2009 13:25:20 +0200 Message-ID: <25625880E5DF40F58FD1807D2A569E8D_at_EIGENAARNJEQJY> Hi List, Although shown here before: Here is an other example of small scale "flow lines" originating from a rim: http://home.planet.nl/~rlenssen/Bassikounou_2.html Kind regards, Rob Lenssen ----- Original Message ----- From: "Kashuba" <mary.kashuba at verizon.net> To: "'Dark Matter'" <freequarks at gmail.com>; <mccartney at blackbearddata.com> Cc: <meteorite-list at meteoritecentral.com> Sent: Tuesday, July 28, 2009 11:25 AM Subject: Re: [meteorite-list] Example of Lipping and direction stumper.TAKE 2 > Martin, McCartney, List, > > I suggest that The lines on mt's Allende and Martin's Tazas are not > radiating but converging. I believe that the rim does not contain the > flow > lines but, in a sense, produces them. I see the lines as melt that has > come > around the edge of the meteorite and frozen in paths toward lower > pressure. > Oops! Did a bit of metal slosh out of Martin's fine bowl at the five > o'clock position? > > Of course conditions have to be just right to produce this phenomenon. > Other possibilities are nothing, just a lip, spatter, a mass of froth and > maybe spikes. > > This Chergach is not as nice but it might help make my case. > > http://johnkashuba.com/Pages/Meteorite%20Pages/Pictures/ChergachH5.htm > > Kind regards, > > - John > > John Kashuba > Ontario, California > > > > > -----Original Message----- > From: meteorite-list-bounces at meteoritecentral.com > [mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of Dark > Matter > Sent: Monday, July 27, 2009 4:02 PM > To: mccartney at blackbearddata.com > Cc: meteorite-list at meteoritecentral.com > Subject: Re: [meteorite-list] Example of Lipping and direction stumper. > TAKE > 2 > > Hi MT, > > Back in July of 2003, I posted a collection of pics of oriented irons > known then as Taza in my Accretion Desk article: > > http://www.meteorite-times.com/Back_Links/2003/July/Accretion_Desk.htm > > > I highlighted a couple of fully lipped individuals also wondering how > such a feature could form. I believe it was Jim Tobin who suggested > that the iron was spinning like a wheel parallel to the direction of > travel and the lipping produced a "tire effect" around the surface > interior which, as is especially viewable in the specimen I nicknamed > "a bowl full of flowlines" seemed to have no directional orientation > in the usual way, and in fact, has much in common with the Allende pic > you posted. > > Best, > > Martin > > > > > On Sun, Jul 26, 2009 at 4:00 PM, McCartney > Taylor<mccartney at blackbearddata.com> wrote: >> http://outofabluesky.com/images/stories/stoneymeteorites/allende12-7.jpg >> >> This is an Allende. I'm not sure I understand the orientation signs I >> see. >> >> I see a star flow line pattern which indicates this side is windward. But > the lipping on the NW side hints the side is leeward. So I'm a bit > confused. >> >> Any ideas on alternate interpretations? >> >> -mt >> >> >> >> ______________________________________________ >> http://www.meteoritecentral.com >> Meteorite-list mailing list >> Meteorite-list at meteoritecentral.com >> http://six.pairlist.net/mailman/listinfo/meteorite-list >> > ______________________________________________ > http://www.meteoritecentral.com > Meteorite-list mailing list > Meteorite-list at meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list > > > ______________________________________________ > http://www.meteoritecentral.com > Meteorite-list mailing list > Meteorite-list at meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list Received on Tue 28 Jul 2009 07:25:20 AM PDT |
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