[meteorite-list] Franconia AREA (was, Re: ...terminology...)

From: Mark <minador_at_meteoritecentral.com>
Date: Sun, 28 Apr 2013 17:15:24 -0700
Message-ID: <18AEEF0D-E3B1-4042-8D2B-A0BD18F6CD2E_at_yahoo.com>

I agree with Eric too, but for the different dates that Larry refers to (which is mentioned in the same article). After seeing many diverse rock types in a same small rock mass, I've always felt it's too simplistic to say different class. = different fall.

I would go with the dating in this specific case that indicates different fall events though.

Sent from my iPod Touch


On Apr 28, 2013, at 4:44 PM, Larry Atkins <thetoprok at aol.com> wrote:

> Eric,
>
> Though I'm not in total agreement with you, that is a good point.
> What it comes down to is terrestrial age. That would settle it. For instance, the L chondrites at Franconia are quite obviously from a more recent event, I'm certain they are not related., the are distinctly different in hand and look fresher, and far rarer..
>
> Almahitta - Sita, among others, says they are not always homogeneous. You make good points
>
>
> Sincerely,
> Larry Atkins
>
> IMCA # 1941
> Ebay alienrockfarm
>
>
>
> -----Original Message-----
> From: Erik Fisler <phxerik at yahoo.com>
> To: Meteorite List <meteorite-list at meteoritecentral.com>
> Sent: Sun, Apr 28, 2013 7:11 pm
> Subject: Re: [meteorite-list] Franconia AREA (was, Re: ...terminology...)
>
>
> You mean all those H3-5's are paired?!? Lord.
>
> I think people forget that there are LL's, L's and H's found from the Gold Basin
> fall. To say that a mass from a parent body large enough to have a strewn field
> of this size and TKW should be one homogeneous petro.-type is silly.
> This business of trying to classify every stone as a different fall for what
> ever selfish or perverse reason along with having a personal attachment to the
> outcome of the over all conclusion is ridiculous and completely against the
> scientific method.
>
> How many of those YDCA or what ever H3-5's have been found outside the mapped
> strewn field? And how far?
>
> -Erik Fisler
>
> Sent from my iPhone
>
> On Apr 26, 2013, at 11:02 PM, Robert Verish <bolidechaser at yahoo.com> wrote:
>
>> Hi All,
>> Just read another article in the 2013 March edition of M&PS,
>> "Stones from Mohave County, Arizona:
>> Multiple falls in the 'Franconia strewn field' "
>> by Melinda Hutson, et al.
>>
>> There is much to digest from this 5-author paper that is 25 pages
> long.
>> What with 14 stones being studied and 7 pairings to be described,
> there is a
> lot to chew on.
>>
>> Here's something to chew on. According to this paper, "Much
> unclassified
> material that has been distributed [sold] as 'Franconia' may not be from the
> Franconia fall". The authors make a case that more than half of the finds made
> in the "Franconia area" are paired to the Buck Mountain Wash fall.
>>
>> It has taken 10 years, but these findings show that I was justified
> in my
> belly-aching about all of the self-pairing that was occurring back then. It
> was on this very List that I was strongly criticized for this, and many dealers
> that thought they knew better defended their God-given right to name their
> stones after the Franconia meteorite that I got classified. A closer look at
> the MetBull images for Franconia shows that very few of them are from the
> Franconia fall. I offer no apologies for taking great satisfaction in the fact
> that I am now vindicated.
>>
>> The paper goes on to show that every Sacramento Wash numbered
> meteorite is
> paired to Buck Mountain Wash, which effectively has resulted in the demise of
> the SaW DCA and hastened the formation of the Yucca DCA.
>>
>> As I said, if you read this paper, there's a lot more to digest.
>> It's late and I'm thinking about chewing on an antacid pill.
>>
>> -- Bob V.
>>
>> --- On Thu, 4/25/13, Jim Wooddell <jimwooddell at gmail.com> wrote:
>>
>>> From: Jim Wooddell <jimwooddell at gmail.com>
>>> Subject: Re: [meteorite-list] Chelyabinsk - IMB or SMB? The
> nomenclature of
> Melts.
>>> To: "Meteorite List" <meteorite-list at meteoritecentral.com>
>>> Date: Thursday, April 25, 2013, 5:29 PM
>>> Hi All!
>>> Just a point of information. I just read Dr. Rubin's paper,
>>> "Multiple melting in a four-layered barred-olivine chondrule with
>>> compositionally heterogeneous glass from LL3.0 Semarkona"
>>> Whew! That's a title for a paper!
>>> While we are on the subject of melts, I thought I'd point-out
>>> this paper.
>>> Enjoyed reading it the first time....actually understood some
>>> of it and will read it once again after thinking about it
>>> for a while.
>>> You folks might enjoy reading it when you get a chance!
>>> Thanks Alan!!
>>>
>>> Jim Wooddell
>> ++++++++++++++
>>
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Received on Sun 28 Apr 2013 08:15:24 PM PDT