[meteorite-list] SALE: BUR-ABOR, AN INCOMPARABLE METEORITE SPECIMEN – MAIN MASS

Sat May 22 15:22:44 EDT 2021

As usual you miss the point. How can a find be a doubtful fall. It's just as ridiculous as the term "witnessed find" as I suggested. If the darn thing has been found it had to have fell at some point. Sheeeesh.... Most of these terms are absurd.

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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Friday, May 21, 2021 7:51 AM, Bigjohn Shea via Meteorite-list <meteorite-list at meteoritecentral.com> wrote:

> In my estimation, Bur-Arbor likely rests in the category of "Find - Doubtful Fall" or "Find" as defined below. The degree of weathering seen on the mass is unlikely to be from an event in 1997, though an earlier event in the region may be on record somewhere, and thus be loosely connected to the mass. 
> The below is quoted from Michael's link. Very helpful...
>
> Cheers,
> John A. Shea, MD
> IMCA 3295
> www.bigjohnmeteorites.com
>
> "The New Categorization System for Falls and Finds:
>
> In December, 2014, the NomCom adopted a new system for categorizing falls and finds. Instead of a binary system, the new one has five categories, which can be arranged in order of confidence that a meteorite is an observed fall.
>
> The top two categories will comprise meteorites that NomCom determines to be falls, and are subject to the nomenclatural rules for falls:
>
> A “Confirmed fall” is a meteorite determined to be a fall beyond reasonable doubt. There was a well-documented fall event, witnessed either visually or with instruments, and collection occurred soon after the event. Physical evidence is consistent with a fresh fall, or, when collection did not occur immediately, convincingly points to a fall at the time of the event.
>
> A “Probable fall” is a meteorite found to be a fall by the weight of the evidence, but there remains some degree of doubt. There were observations of an event considered likely to have produced meteorites, but there remains some doubt about whether the collected meteorite is related to the event, or about the nature of the event itself.
>
> The bottom three categories will comprise meteorites that NomCom determines to be finds, and are subject to the nomenclatural rules for finds, including application of DCA numbering sequences.
>
> A “Find, possible fall” is a meteorite that was submitted with information that may connect it to a fall event, but the evidence was found to be insufficient to accept this claim. There was an observation that seems consistent with a fall event, but there is significant doubt, either about whether the meteorite is connected to the event or about the observations of the event itself.
>
> A “Find, doubtful fall” is also a meteorite submitted with information that may connect it to a fall event, but there is a high degree of doubt about whether the meteorite is connected to the event or about the observations of the event itself.
>
> A “Find” is a meteorite for which no evidence, or no credible evidence, was submitted concerning the fall circumstances."
>
> On 5/21/21 at 7:29 AM, Michael Mulgrew via Meteorite-list wrote:
>
> From: "Michael Mulgrew via Meteorite-list" <meteorite-list at meteoritecentral.com>
> Date: May 21, 2021
> To: "bill k" <billkski at protonmail.com>
> Cc: "Darryl Pitt" <museumcenterpiece at gmail.com>,
> "Meteorite-list at meteoritecentral.com" <Meteorite-list at meteoritecentral.com>
> Subject: Re: [meteorite-list] SALE: BUR-ABOR, AN INCOMPARABLE METEORITE SPECIMEN – MAIN MASS
> Bill, please see Microsoft Word - falls and finds - accepted 2-24-2015.docx (usra.edu) for an answer to your question.  The Nomenclature Committee of the Meteoritical Society maintains these definitions.
>
> -Michael in so. Cal.
>
> Virus-free. www.avg.com
>
> On Thu, May 20, 2021 at 4:44 PM bill k via Meteorite-list <meteorite-list at meteoritecentral.com> wrote:
>
> > "Bur-Abor is not considered an “unwitnessed fall” by anyone as no such designation exists.
> >
> > Is there an "official" designation for "witnessed find"? I mean it is implied and should go without saying... but is it an officially recognized term?
> >
> > Sent with ProtonMail Secure Email.
> >
> > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> > On Wednesday, May 19, 2021 6:45 AM, Darryl Pitt via Meteorite-list <meteorite-list at meteoritecentral.com> wrote:
> >
> > > Hi Elizabeth, 
> > >
> > > Bur-Abor is not considered an “unwitnessed fall” by anyone as no such designation exists.  The features of this meteorite are consistent with a residency on Earth of at least decades — if not centuries...or far more; Bur-Abor is an outstanding, highly weathered meteorite.  Please remedy as we all get hurt when the line between puffing and misrepresentation is blurred. 
> > >
> > > > On May 18, 2021, at 11:34 AM, Elizabeth Grose via Meteorite-list <meteorite-list at meteoritecentral.com> wrote:
> > > >
> > > > NOW AVAILABLE AT AUCTION
> > > > BUR-ABOR, AN INCOMPARABLE METEORITE SPECIMEN – MAIN MASS
> > > > Iron, medium octahedrite IIIAB
> > > > Northeastern Province, Kenyahttps://www.bonhams.com/auctions/27190/lot/11/
> > > >
> > > > A thrilling 600-pound main mass, the Bur-Abor meteorite main mass may arguably be classed at the top of all large iron meteorites to be offered at auction. Bur -Abor was found in Northeastern Kenya in a local family's garden, after it fell on Nov. 27, 1997. Considered an unwitnessed fall, Bur-Abor boasts numerous distinguished qualities.
> > > >
> > > > The present main mass is replete with regmaglypts and large scoops while also displaying the rarely seen feature of orientation. These distinctive features were caused by ablation as the meteorite coursed through Earth's atmosphere. One can see the surface area where elongated, parallel thumbprints indicate oriented flight, which melted grooves into the surface, mirroring each other in shape and size. Created by millions of years in the heavy metal core of an asteroid, it weighs a massive 274 kilograms and has never been cleaned or wire brushed; its appearance is exactly as it was the day it was found.
> > > >
> > > > After its discovery, a portion of Bur-Abor was taken to the Natural History Museum in London. The present offering is the main mass. Iron meteorites of this size and beauty are generally only seen in world renowned museums and a few university display collections. The magnificent piece is offered on a rotating custom steel stand. Weighing 274kg (602.8 lbs). Measuring 32 x 20 x 15 in
> > > > View it online: https://www.bonhams.com/auctions/27190/lot/11/
> > > > For inquiries:  Tom.Lindgren at bonhams.com
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> > > > https://www.bonhams.com/auctions/27190/
> > > > Coming to auction in Bonhams’ Meteorites Online sale.  Browse 90+ lots of superb planetary meteorite specimens & impact memorabilia, including rare main mass Martian and Lunar meteorites.
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> > EXTREMELY RARE MARTIAN AND LUNAR MAIN MASS METEORITES
> > https://www.bonhams.com/auctions/27190/
> > Coming to auction in Bonhams Meteorites Online sale.  Browse 90+ lots of superb planetary meteorite specimens & impact memorabilia, including rare main mass Martian and Lunar meteorites.
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> ______________________________________________ EXTREMELY RARE MARTIAN AND LUNAR MAIN MASS METEORITES https://www.bonhams.com/auctions/27190/ Coming to auction in Bonhams� Meteorites Online sale. Browse 90+ lots of superb planetary meteorite specimens & impact memorabilia, including rare main mass Martian and Lunar meteorites. Bid online May 18-28 at Bonhams : Meteorites Online https://www.bonhams.com/auctions/27190/ ______________________________________________ Meteorite-list mailing list Meteorite-list at meteoritecentral.com https://pairlist2.pair.net/mailman/listinfo/meteorite-list
> ______________________________________________ EXTREMELY RARE MARTIAN AND LUNAR MAIN MASS METEORITES https://www.bonhams.com/auctions/27190/ Coming to auction in Bonhams’ Meteorites Online sale. Browse 90+ lots of superb planetary meteorite specimens & impact memorabilia, including rare main mass Martian and Lunar meteorites. Bid online May 18-28 at Bonhams : Meteorites Online https://www.bonhams.com/auctions/27190/ ______________________________________________ Meteorite-list mailing list Meteorite-list at meteoritecentral.com https://pairlist2.pair.net/mailman/listinfo/meteorite-list