[meteorite-list] Claimed pairings
From: Greg Catterton <star_wars_collector_at_meteoritecentral.com>
Date: Fri, 18 Jun 2010 11:11:50 -0700 (PDT) Message-ID: <63305.95268.qm_at_web46415.mail.sp1.yahoo.com> 3) pairing controversy is not going to vanish. There is an apparent double-standard with pairings and NWA 869 is a good example. We don't see bickering over self-pairings of NWA 869 - that just flies under the radar for some reason. I have to agree with this 110%. Thats the one main reason I will not buy it. Greg Catterton www.wanderingstarmeteorites.com IMCA member 4682 On Ebay: http://stores.shop.ebay.com/wanderingstarmeteorites On Facebook: http://www.facebook.com/WanderingStarMeteorites --- On Thu, 6/17/10, Galactic Stone & Ironworks <meteoritemike at gmail.com> wrote: > From: Galactic Stone & Ironworks <meteoritemike at gmail.com> > Subject: Re: [meteorite-list] Claimed pairings > To: "Richard Kowalski" <damoclid at yahoo.com> > Cc: "meteorite list" <meteorite-list at meteoritecentral.com> > Date: Thursday, June 17, 2010, 8:01 PM > Some thoughts on "pairings" .... > > 1) The vast majority of classified NWA meteorites have no > firm find > location data.? There are coordinates for some, > ballpark area > locations for others, and no data whatsoever for > many.? Often, all > that is known is the city in Morocco where the stone was > purchased - > presumably after being transported a good distance and > possibly > changing hands more than once along the way.? It is > reasonable to > assume that there are hundreds of unmapped strewnfields in > the desert > of NWA and it's probable that some of these strewnfields > may overlap. > So it is also reasonable to assume that many classified NWA > meteorites > are pairings to other NWA meteorites.? It is not the > duty of those > doing the classification work to compare the new meteorite > to every > known meteorite to find possible pairings - this is usually > done in > significant cases, accidentally, or during the course of > routine > research.? Of the countless NWA H5 chondrites, who is > going to sit > down and check each and every one for pairings?? What > is the incentive > to do so????I think it must be taken as a > given that the NWA catalogue > contains hundreds (if not thousands) of unnoticed > pairings.? In terms > of NWA numbers, what are we on now?? About 7000?? > I wouldn't be > surprised if 1000 turned out to be redundant pairings. > > 2) One reason the NWA system is in place is to catalogue > all of these > "nomadic" meteorites.? The system does not care if a > new meteorite is > in fact an old meteorite being classified again.? It's > not the duty of > the classification people or the Meteoritical Society to do > this > pairing work, so they accept the new meteorite and give it > a new NWA > number.? If somebody wants to come along later and > comb through the > catalogue looking for pairings, then the data is there for > anyone to > use.? It is my hope that someone will straighten out > the NWA mess one > day and determine once and all what meteorites are paired > with what - > so then we can better understand the relationships of these > meteorites > and perhaps narrow down their possible strewnfields in some > cases. > > 3) pairing controversy is not going to vanish.? There > is an apparent > double-standard with pairings and NWA 869 is a good > example.? We don't > see bickering over self-pairings of NWA 869 - that just > flies under > the radar for some reason. > > 4) it is also reasonable to assume, that in many cases, > when a large > meteorite shows up on the market, it probably comes from a > strewnfield > where it has smaller brothers and sisters that are > undiscovered.? But > unlike Canyon Diablo or Western US strewnfields, the NWA > strewnfields > are not mapped or well-defined.? So, if one finds a > meteorite near the > NWA 869 strewnfield, and it looks like NWA 869, that does > not mean it > is NWA 869.? If one finds a meteorite in the Gold > Basin strewnfield, > and it looks like a Gold Basin meteorite, it probably is - > but it > might not be.? At best, without having a find > analyzed, the best a > hunter or finder can say is - "this meteorite was found in > the Gold > Basin strewnfield here at xx.xxx, xx.xxxx."? We don't > have that > benefit with NWA material because nobody has gathered any > meaningful > strewnfield data from the find areas. > > 5) a polymict rubblepile like Almahata Sitta can leave > behind a > chaotic strewnfield of apparently different types - which > can only be > sorted out in a lab and not in the field or by eye. > > [/peanut gallery] > > > > > On 6/17/10, Richard Kowalski <damoclid at yahoo.com> > wrote: > > Carl, > > > > I did not refer to any particular pairing claim. > > > > Your analogy about finding a body with a bullet in the > head argues against > > you. Yes, of course you wait for the autopsy. Anything > less is NOT science. > > > > Believe what and who you want, but that doesn't make > it scientific fact. > > > > Claiming a pairing, just because material if found > near by is not science > > either. Period. > > > > The meteorite market is very thin and is based on > trust. For my money > > (literally) I want legitimate scientific proof to > stand with the meteorites > > in my collection. Third party emails carry no weight > whatsoever. > > > > Have a pairing? Show me the peer reviewed scientific > paper proving your > > claim. Pretty simple and straight forward. > > > > To reiterate a quote from the 1980's? "Trust, but > verify." > > I'll add that if you can't verify, there is no reason > to trust. > > > > Show me the lab results that show the claimed paired > material is EXACTLY the > > same as the original and I'll gladly plunk down my > hard earned funds. > > > > This is a much greater problem than a single claim > too. If the trust is lost > > that the material, any material, might not be what is > claimed, I'm certainly > > not going to be buying it, or any more meteorites in > the future. I mentioned > > other collectibles that hold my interest in a post > yesterday. I can just as > > easily spend my money buying those items as I can > meteorites. If you want to > > see the collectible meteorite market collapse, because > all trust in the > > material being exactly what it is claimed to be with > no ambiguity, go ahead > > and allow scientifically unsubstantiated claims > continue unabated. > > > > > > -- > > Richard Kowalski > > Full Moon Photography > > IMCA #1081 > > > > > > --- On Thu, 6/17/10, cdtucson at cox.net > <cdtucson at cox.net> > wrote: > > > >> From: cdtucson at cox.net > <cdtucson at cox.net> > >> Subject: Re: [meteorite-list] Claimed pairings > >> To: "meteorite list" <meteorite-list at meteoritecentral.com>, > "Richard > >> Kowalski" <damoclid at yahoo.com> > >> Date: Thursday, June 17, 2010, 4:17 PM > >> Richard, > >> All due respect here. > >> If you are hunting and you find a meteorite. You > look > >> around and > >> you find more of the same. You can almost be > certain it is > >> from the same fall. I > >> mean realistically what are the odds of finding > any > >> meteorite?? Now calculate > >> the odds of finding two different meteorites > together. Now > >> we are at > >> astronomical odds against. > >> Yes, Almahatta sitta proves material from the > same > >> fall can be very different but, testing confirmed > it is > >> still from the same fall. > >> So, in most cases it is easy to consider pairings > based on > >> find locations. > >> Yes, > >> there have been numerous cases of totally > unrelated > >> meteorites found together > >> but, they usually are ruled out as paired right > away > >> visually.? As an example. > >> Snyder Hill was found while looking for Cat > Mountain but, > >> they looked totally > >> different visually. And therefore ruled out as > being > >> paired. that said. The info > >> put forth so far is as follows. > >> This is a rough outline of the facts as presented > so far; > >> !. Meteorites are found by Mbarek.. > >> 2. Mbarek distributes some of them including NWA > 5400 to > >> Greg. > >> 3. Mbarek passes. ( Allah rest his soul) > >> 4. Estate of Mbarek retains 334 grams of same > find > >> material. > >> 5. 334 grams from Mbarek gets offered by Ali and > is highly > >> sought. > >> 6. This gets confirmed by Habibi Aziz. > >> 7. Aziz shows copies of emails from Jambon ( in > french) > >> which confirm it is paired with NWA 5400 and NWA > 5363.And > >> O-isotopes were doone. > >> 7. Passing of Mbarek adds to confusion but, this > is > >> material that originated from the same guy we > >> are talking about here. > >> 8. Pairing may not be official until isotopes are > done but > >> hardly a gamble here. > >> Although this will get science more material > (nothing wrong > >> with that) . > >>? According to Abibi Isotopic > >> results have been done and confirm this is not a > brachenite > >> . Even though it looks like one. > >> Requiring tests that can only be done by certain > people > >> puts a huge and possibly > >> an unnecessary burden on finders job description. > >> It's a bit like finding a body with a bullet in > the head > >> and saying the cause of > >> death is unknown until the autopsy. > >> Do we really need to wait for an autopsy? Sure we > do as a > >> formality but, that > >> does not change the results of the race. Either > way he died > >> of a bullet in the > >> head. > >> Ipso facto, This material is paired unless someone > is > >> lying. If people are > >> telling the truth then this is paired and asking > for more > >> isotopes is mere > >> confirmation of a fact we already know. > >> I hate the thought of having to cut up every > meteorite just > >> to prove it came > >> from the same fall. > >> Before they discovered Calcalong creek amongst > the > >> millbillies it was easy to > >> find a nice uncut Millbillillie. Not so now a > days. Most > >> have been cut to see if > >> they match calcalong Creek. To me this is a > shame. > >>? Again this is said with the utmost respect > to everybody. > >> This is just my opinion. > >> I would hate to go to a known strewnfield and then > have to > >> jump through hoops to prove it came from where I > found it. > >> Part of this email is from a post that did not go > through > >> to list before. > >> > >> > >> Carl > >> > >> > >> -- > >> Carl or Debbie Esparza > >> Meteoritemax > >> > >> > >> ---- Richard Kowalski <damoclid at yahoo.com> > >> wrote: > >> > Not being a professional meteoriticist, I > would assume > >> that any meteorite claimed to be paired with > another needs > >> to be studied by qualified scientists. From what > I > >> understand it is always preferable to have the > scientist who > >> did the original classification to study any > meteorites > >> submitted for possible pairing because they are 1, > familiar > >> with the material, 2, have material used for the > original > >> classification on hand for comparison and 3, are > able to use > >> the same instruments used for the original > classification > >> for any additional material being submitted. > >> > > >> > After the material has been studied and found > to be > >> paired,I would imaging that there is some peer > reviewed > >> process to announce the pairing, is there not? > >> > > >> > We've seen with h that you can have very > >> different classifications from the same fall and > because of > >> this extensive studies needed to be made to > confirm that the > >> stone were from the same fall, even though they > were all > >> found in the same area. > >> > > >> > It also seems to me that anyone claiming a > pairing has > >> the responsibility to provide samples for testing > and is > >> also responsible for all costs associated with > this testing. > >> The onerous of proof goes to the person claiming > they have > >> paired material. Until this scientific proof, that > can and > >> is peer reviewed for validity of the procedures > used to > >> determine the said pairing, any and all claims of > a pairing > >> should be rejected outright and in their > entirety. > >> > > >> > > >> > -- > >> > Richard Kowalski > >> > Full Moon Photography > >> > IMCA #1081 > >> > > >> > > >> > > >> > > ______________________________________________ > >> > Visit the Archives at > >> > http://www.meteoritecentral.com/mailing-list-archives.html > >> > Meteorite-list mailing list > >> > Meteorite-list at meteoritecentral.com > >> > http://six.pairlist.net/mailman/listinfo/meteorite-list > >> > >> > > > > > > > > ______________________________________________ > > Visit the Archives at > > http://www.meteoritecentral.com/mailing-list-archives.html > > Meteorite-list mailing list > > Meteorite-list at meteoritecentral.com > > http://six.pairlist.net/mailman/listinfo/meteorite-list > > > > > -- > ------------------------------------------------------------ > Mike Gilmer - Galactic Stone & Ironworks Meteorites > http://www.galactic-stone.com > http://www.facebook.com/galacticstone > ------------------------------------------------------------ > ______________________________________________ > Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html > Meteorite-list mailing list > Meteorite-list at meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list > Received on Fri 18 Jun 2010 02:11:50 PM PDT |
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