[meteorite-list] (no subject)
From: Darryl Pitt <darryl_at_meteoritecentral.com>
Date: Sun, 4 May 2008 12:23:41 -0400 Message-ID: <3A6DF65D-8D31-43A1-9C03-D675AA25BD7C_at_dof3.com> hi from the images provided the amphoterite bandong is far more blue- grey. /d On May 4, 2008, at 12:07 PM, Greg Hupe wrote: > Hi Tom, > > You asked, "What did you think when the first blue meteorite (NWA > 2828) was cut?" I thought, "What the heck is this stuff?!" > > I had first purchased a very small amount of this material, cut it, > and thought it was the strangest "meteorite" I had seen to date, if > it was a meteorite at all. I then sent the type sample to the > University of Washington for analysis, and if a meteorite, > classification. The original 20 gram sample did not have any of the > chondrules so it was classified as an aubrite. During the next 6-12 > months of going to Morocco (maybe 5 or 6 trips), I kept my eye out > for more of this material. I thought I had a coup on this new > "aubrite" so I traveled to Morocco more often during that time and > bought up as much as I could find. > > It wasn't until I started to cut and polish this material to start > to offer it to collectors that the first chondrules started to > present themselves. They were not the typical chondrules like in > OC's so I sent additional type samples with these "features" to the > scientists (eventually more samples and 80 grams later). Lab > results..., "Chondrules!" "DAMN", was the next thought. Thank > goodness I had not offered any of this material publicly as I would > have had a real problem on my hands. :-/ So many months had passed > by that the first abstract stating the "aubrite" classification had > made itself to the Internet and it was from this information that > another overseas dealer who had some of this material had it up on > his web site (without sending in a type sample) and started selling > it as NWA 2828. I thought "How embarrassing for this person who did > not want to send in his own sample and get his own NWA > number!" (this time it bit him in the butt!). > > Eventually, and over time and with many people's help, the riddle > of NWA 2828 (and its pairings 'Al Haggounia', and other NWA > numbers) were revealed. It is still a very interesting meteorite > with a great story behind its discovery and eventual > classification. Now if we could just get Dr. Jambon to acknowledge > the hard work of his peers "Proving" once and for all, "Al > Haggounia" (the pairing to NWA 2828) is NOT AN AUBRITE!!! > > Best regards, > Greg > > ==================== > Greg Hupe > The Hupe Collection > NaturesVault (eBay) > gmhupe at htn.net > www.LunarRock.com > IMCA 3163 > ==================== > Click here for my current eBay auctions: http://search.ebay.com/ > _W0QQsassZnaturesvault > > > > ----- Original Message ----- From: <STARSANDSCOPES at aol.com> > To: <meteorite-list at meteoritecentral.com> > Sent: Sunday, May 04, 2008 11:21 AM > Subject: Re: [meteorite-list] New or maybe old QUESTION?????? > > > >> Thanks Greg, Beautiful photos! Every one interested in this >> material >> should check them out. I like the slice of "Blue" with an >> attached rhyolite >> pebble. http://www.lunarrock.com/nwa2828/nwa2828pebble.jpg >> >> It is one thing to look at this material now with the knowledge >> of what it >> is. I can only call it astonishment when you cut into one like >> is shown in >> Greg's image. But Greg, what was it like to cut into a blue >> meteorite when it >> was new! I'm sure you had ideas of what it was but this was >> before any >> classification/analysis had been done. What did you think when >> the first blue >> meteorite was cut? >> >> Tom Phillips >> >> >> In a message dated 5/4/2008 9:14:38 A.M. Central Daylight Time, >> gmhupe at htn.net writes: >> Hi Tom, Pete and List, >> >> >> >> Tom has been doing a fantastic job with his studies and I thank >> him for his >> tireless efforts and for sharing with us. Before the realization >> that NWA >> 2828, Al Haggounia and the other pairings to NWA 2828 were found >> to be an >> EL3 and NOT an aubrite, I spent many trips to Morocco buying up >> the "Blue" >> material. Needless to say, I have several kilos of the "Blue" EL3 >> material, >> one of the lucky first-in buyers, not price-wise but material- >> wise :-) >> >> >> >> Here are some additional photo links of NWA 2828 "Blue", most >> have seen >> these as they are the ones I have with my eBay description of NWA >> 2828. >> >> >> >> Photograph of a 24.9g NWA 2828 slice with rhyolite pebble (image >> 1): >> >> http://www.lunarrock.com/nwa2828/nwa2828pebble.jpg >> >> >> >> Photograph of magnified radial pyroxene chondrule (image 2): >> >> http://www.lunarrock.com/nwa2828/nwa2828chondrule.jpg >> >> >> >> Photograph of magnified whitish enstatite-rich clast (image 3): >> >> http://www.lunarrock.com/nwa2828/nwa2828clast.jpg >> >> >> >> Photograph of a 14.3g complete slice of NWA 2828 (image 4): >> >> http://www.lunarrock.com/nwa2828/nwa2828slice.jpg >> >> >> >> Enjoy! >> Greg >> >> ==================== >> Greg Hupe >> The Hupe Collection >> NaturesVault (eBay) >> gmhupe at htn.net >> www.LunarRock.com >> IMCA 3163 >> ==================== >> Click here for my current eBay auctions: >> http://search.ebay.com/_W0QQsassZnaturesvault >> >> >> >> ----- Original Message ----- From: <STARSANDSCOPES at aol.com> >> To: <meteorite-list at meteoritecentral.com> >> Sent: Sunday, May 04, 2008 9:57 AM >> Subject: Re: [meteorite-list] New or maybe old QUESTION?????? >> >> >> >>> Hi Pete, IF you are looking for an affordable sample check out Al >>> Hagounia. >>> It matches your criteria and it is an Enstatite. NAU recently >>> posted a >>> paper on their web site that nicely covers what it is, the >>> terrestrial >>> alteration it has undergone, and it's location in the layers of >>> sediment. >>> http://www4.nau.edu/meteorite/Meteorite/Al_Haggounia.html >>> >>> The stuff is ugly on the outside but I have cut quite a few >>> slices and it >>> >> >> >>> is >>> interesting when cut. It takes a polish quite nicely. When >>> you happen >>> to >>> cut into a large radial chondrule it is beautiful. A sea of >>> fine grain >>> brown >>> with only one big fan shaped chondrule. Those polished >>> examples make a >>> nice >>> display. Some times you get a "Blue" one! The Blue phase, >>> NWA 2828 is >>> an >>> example, can be found mixed with the brown in the same slice. >>> That is >>> not >>> common so it is fun when you find one. The best part is it is >>> cheap >>> because >>> there is plenty to go around. >>> >>> Tom Phillips >>> >>> In a message dated 5/4/2008 1:09:56 A.M. Central Daylight Time, >>> pshugar at clearwire.net writes: >>> List, >>> Maybe this has been asked and answered (sounds like a lawer >>> thing) and >>> maybe >>> not. >>> Since I am relatively new to collecting and certainly not an >>> Expert in >>> any >>> area of meteorite study (with the exception of magnetisum (from >>> the sky >>> magnetic VS made a magnet by processes here on earth). >>> Here's my question: >>> A geologist digs in an area that he thinks there will be the >>> likelyhood >>> of >>> finding a fossil. Maybe he gets lucky and maybe finds bunches >>> of them. >>> Has anyone ever found a meteorite buried deep in a layer that is >>> thousands >>> or even millions of years old? >>> Years ago--long before I became an obsessed, crazed, meteorite >>> addict, >>> while teaching a series on earthquakes, I had found a video of a >>> scientist >>> standing with one foot on the Pacific plate and the other foot >>> on the >>> North >>> Americian plate, ie astraddle of the San Andreas fault line. In >>> back of >>> him >>> was a small vertical clift of maybe 10 feet and you could >>> plainly see the >>> shift (approx 15 inches) in the layers of sediment. >>> Now I've got to thinking (some say this is my problem-- >>> Thinking) that >>> these >>> meteorites have a tremendous terestial age. If the earth is >>> bombarded by >>> these meteorites throughout the aeons, then there should be a >>> record, ie >>> evidence in the form of buried craters (see the Odessa,Tx >>> crater) -- >>> Approx >>> 100 to 110 feet deep that has been filled in till it is only 25 >>> to 30 >>> feet >>> deep now due to wind blown sand (mostly). I've got a pamplet of >>> "Occasional >>> Papers of the Strecker Museum" from Baylor University showing >>> a neat >>> cross >>> section of the Odessa Crater. >>> How much investigation into the cross section structure of the >>> sediment >>> layers, looking for evidence of craters has been done? Has >>> there ever >>> been >>> an accidential discovery of a buried crater in a clift side. >>> Lots of >>> these >>> erroded mesa exist out west. Maybe evidence is visable there. >>> Surely Valeria is not the only animal killer out there. >>> Maybe another animal drilled by a passing meteorite with the >>> coresponding >>> meteorite near the body. Maybe there's no body but the >>> meteorite is still >>> there buried in the deeper layers of sediment. Maybe tektites >>> are the >>> only >>> surviving evidence. >>> In a nutshell, has there ever been a meteorite found at a depth of >>> sediment >>> that is plainly very old? >>> Pete >>> >>> ______________________________________________ >>> http://www.meteoritecentral.com >>> Meteorite-list mailing list >>> Meteorite-list at meteoritecentral.com >>> http://six.pairlist.net/mailman/listinfo/meteorite-list >>> >>> >>> >>> >>> **************Wondering what's for Dinner Tonight? Get new >>> twists on >>> family >>> favorites at AOL Food. >>> (http://food.aol.com/dinner-tonight?NCID=aolfod00030000000001) >>> ______________________________________________ >>> http://www.meteoritecentral.com >>> Meteorite-list mailing list >>> Meteorite-list at meteoritecentral.com >>> http://six.pairlist.net/mailman/listinfo/meteorite-list >>> >>> >> >> >> >> >> **************Wondering what's for Dinner Tonight? Get new twists >> on family >> favorites at AOL Food. >> (http://food.aol.com/dinner-tonight?NCID=aolfod00030000000001) >> ______________________________________________ >> 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 Sun 04 May 2008 12:23:41 PM PDT |
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