Hi, here you have excellent fusion crust on a Sikhote Alin,
www.austromet.com/collection/Sikhote_Alin_18.7g_E.jpg enjoy, Christian I.M.C.A. #2673 at www.imca.cc website: www.austromet.com Ing. Christian Anger Korngasse 6 2405 Bad Deutsch-Altenburg AUSTRIA email: [EMAIL PROTECTED] email: [EMAIL PROTECTED] > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:meteorite-list- > [EMAIL PROTECTED] On Behalf Of Dave Freeman mjwy > Sent: Sunday, January 07, 2007 7:50 PM > To: Michael Farmer > Cc: Dr. Svend Buhl; meteorite-list@meteoritecentral.com > Subject: Re: [meteorite-list] Irons and fusion crust > > Dear Crusty's; > I think the whole deal here with "fusion crust" which is what I choose > to call it, all boils down to what academia and thus the rest of us > mortal ones choose to call "fusion crust". > We have discussed this issue numerous times here and it very much > relates my thought to President Clinton's comment a while back, > "No I did not have sex with that woman"......well, one has to define sex > first. Agreement was that something occurred, just how to define it. > > Call it a glassy altered surface deposit if you like and it makes you > feel good but in my feeling, anything other than an iron surface, and > anything that has been effected by an iron meteorite blasting through > the atmosphere and directly related to the affects of heating as a > result of passing through the Earth's atmosphere should be categorized > as fusion (because it was hot and burned) crust (because it is on the > exterior surface of) a meteorite. Don't care if it is glassy or > melted cheese whiz. Don't care if it is .000001 mm in thickness or a > full two inch thick crusty black nasty stinky filthy burned rotten > yam..........if it is a result of heat of entry, and on the surface of > an iron meteorite when fresh or relatively freshly occurred, then it > might be a fusion crust. > Just my 2 sense'. > Dave Freeman > with more sense than some > > > > Michael Farmer wrote: > > >I completely agree that iron meteorite falls have > >fusion crust. Come on, they meteorites are often > >covered with frothy blue-black crust, sometimes 2 or 3 > >mm thick, it flackes off, it was caused by the fusion > >of iron minerals while burning at thousands of degrees > >on entry, exactly the same way silicates form fusion > >crusts on stones. Thus, we have two different types of > >materials, burning, and when they land, they have a > >surface of crust comprised of molten material due to > >heat alteration. > >How can that not be called a fusion crust? > >Michael Farmer > >______________________________________________ > >Meteorite-list mailing list > >Meteorite-list@meteoritecentral.com > >http://six.pairlist.net/mailman/listinfo/meteorite-list > > > > > > > ______________________________________________ > Meteorite-list mailing list > Meteorite-list@meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list ______________________________________________ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list