[meteorite-list] Franconia Area Meteorites

From: Devin Schrader <makinsomenoise_at_meteoritecentral.com>
Date: Thu Apr 22 10:31:13 2004
Message-ID: <001501c41eb5$e6fd72a0$6401a8c0_at_hewlett9por0s0>

Hello,
            The ones you refere to as being 'lumped' as Gold Basin are
'lumped' with Gold Basin because they are Gold Basin. The original body that
entered the atmosphere and became Gold Basin was large enough that it had
varying degrees of thermal metemorphism. Many, many of these 'different'
Gold Basin stones have been classified by univerisities. There is plenty of
data on these other stones, with the conclusion that they are Gold Basin.
The Gold Basin meteorite ranges in thermal metemorphism from L4-L6 (hence
much of the confusion). All of these classified pieces have the same Fa#
within standard deviation (Fa= 24+-1), partially proving they are the same.
And yes, it is possible that two L4's with an Fa of 24 found 10 feet from
eachother are different meteorites, which is why each sample that is looked
at is scrutinized at many levels. This is also probably something that the
various Franconia area samples will go through, perhaps more of these
'unpaired' stones are paired than people think (but undoubtably there are
different finds from that area, and they could all be different).
 Hope this helps and hope i didn't ramble,
          Devin Schrader




----- Original Message -----
From: "tracy latimer" <daistiho_at_hotmail.com>
To: <meteorite-list_at_meteoritecentral.com>
Sent: Friday, April 09, 2004 2:17 AM
Subject: RE: [meteorite-list] Franconia Area Meteorites


> Have other samples of meteorites collected from Franconia Wash been turned
> in for classification? Does this mean that Franconia will become
> Franconia(a), to be followed by Franconia(b), Franconia(c), etc.? That's
> one thing that has puzzled me; with the several different types that have
> come out of Gold Basin, why are they all still lumped together as just
"Gold
> Basin"? Several people have said there seem to be at least 2, maybe 3
> strewnfields there, or at least it seems to be a big collecting point.
> There should be enough data there to designate at least a couple of
> different falls/finds.
>
> Tracy Latimer
>
>
>
> >Hi List,
> >
> >John is right, as there are many new chondrite finds
> >in the Franconia area. I along with Mike Miller have
> >been hunting the area for many months, long before it
> >was common knowledge to the meteorite community. We
> >have found many meteorites, but just as important we
> >have found many different types of meteorites. Mike
> >and I have personally submitted for classification
> >over 10 different chondrite "types" ranging from an LL
> >to an H. And yes we have even found some Iron
> >meteorites! I feel confident in saying this because
> >the Arizona State University has been involved with us
> >in the classification process since the beginning and
> >therefore this is not merely our opinion but also the
> >opinion those at Arizona State University. As many of
> >you know the classification process can take some time
> >but please be patient as these classifications are
> >forthcoming.
> >
> >During the entire time we have hunted this area we
> >have only come across a few grams of Bob Verishs'
> >Franconia meteorite ( fortunately for us we actually
> >had a slice of his Franconia to compare to our finds )
> > Because of this we can only assume that there is
> >much less Franconia meteorite than there at first
> >seemed to be. That is not to say that there isn't a
> >lot of Franconia, indeed there may be, but maybe not
> >as much as some think. In fact, Bobs Franconia may
> >not even be the most abundant meteorite out there, as
> >we have many large pieces that are NOT like Bobs
> >Franconia.
> >
> >I have heard it said once or twice that this may be
> >another gold basin, let me be the first to say I
> >highly doubt it. First of all it is obviously unique
> >because of the many types of meteorites being found.
> >Jim Kriegh ( one of the original gold basin strewn
> >field finders) upon hunting with us even dubbed it
> >the " Meteorite Graveyard" as he too found several
> >different types of meteorites. Also in my humble
> >opinion there is not all that much left. This is an
> >area where some of the more skilled hunters can and
> >have gone days without the slightest signal on their
> >detector. Many hunters will tell you there are
> >precious few meteorites still left.
> >
> >To this day we continue to hunt, and even though we
> >don't find much anymore, it is still exiting. Think
> >about it, these are NEW ARIZONA METEORITES! Whether or
> >not they end up being classified as Franconia or any
> >one of the many other provisional names we have
> >chosen, they simply are a unique and rare treasure.
> >
> >
> >Sincerely,
> >Ruben Garcia and Mike Miller
> >
> >
> >
> >
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Received on Sat 10 Apr 2004 12:40:07 AM PDT