In all seriousness, I have considered refining, or at least qualifying
the definition of "fall." The categories I've considered are these, and
the definitions are first passes:
Observed fall: observed to fall, either visually or with instruments,
and collected soon after the event. The event was well documented.
Physical evidence associated with the collected meteorites is consistent
with a fresh fall, or, when collection does not occur immediately,
directly points to a fall at the time of the observed event.
Unobserved fall: No observations were made of a fall event, but physical
evidence conclusively points to a fall on a specific date or within a
very narrow range of dates.
Probable fall: In these cases, there was a well-documented meteor event
with characteristics consistent with a meteorite fall, followed by the
collection of meteorites some time later. There is a strong likelihood
that the meteorite fell in the observed event, but physical evidence is
not fully conclusive.
Possible fall: The same situation as a probable fall, but there is
significant doubt about whether the meteorite is connected to the event
or about the reliability of the observations of the event.
Doubtful fall: The same situation as a possible fall, but there is a
high degree of doubt.
This was all suggested by the circumstances surrounding the Benešov (a)
and (b) meteorites, which I would have put in the "possible fall"
category, if such a thing existed.
Jeff
On 1/4/2013 8:57 PM, Michael Farmer wrote:
I find this new attempt to change terminology disturbing. I have hundreds of
old catalogs from the top museums and dealers from more than 200 years ago till
today, all of them list falls and finds. None of them discuss unobserved falls
as an acceptable alternative.
Are we really ready to just accept anything thrown out there, and watch as all
manner of BS is used to discredit hundreds of years of accepted terminology?
My private collection focuses on witnessed falls, with date and time and
science to back it up.
I am not interested in another group which would include every meteorite ever
to have fallen, since they did actually all fall at some point.
Well, I guess Anne can delete her birthday fall calendar page since now we can
simply put every NWA on any date you choose to believe it might have possibly
fallen:).
Michael Farmer
Sent from my iPad
On Jan 4, 2013, at 6:47 PM, "Mike Bandli" <fuzzf...@comcast.net> wrote:
If a meteorite falls from the sky and no one is there to hear it, does it
make a sound?
;^]
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-----Original Message-----
From: meteorite-list-boun...@meteoritecentral.com
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of
h...@meteorhall.com
Sent: Friday, January 04, 2013 5:36 PM
To: Anne Black
Cc: meteorite-list@meteoritecentral.com; valpar...@aol.com
Subject: Re: [meteorite-list] Meteorite Picture of the Day
Right, Anne. That is why they are referred to as a "Fall" or a "Find".
Concise!
Cheers, Fred Hall
Every single meteorite ever found on Earth is necessarily the result
of a fall, they are not native to Earth. The only difference is that
some falls are seen, witnessed, and some, the vast majoriry, are not.
So calling them Observed or Unobserved falls is logical. That is what
happened to all of them.
That is simple reality.
Anne M. Black
www.IMPACTIKA.com
impact...@aol.com
-----Original Message-----
tFrom: hall <h...@meteorhall.com>
To: Michael Farmer <m...@meteoriteguy.com>
Cc: meteorite-list <meteorite-list@meteoritecentral.com>; valparint
<valpar...@aol.com>
Sent: Fri, Jan 4, 2013 6:13 pm
Subject: Re: [meteorite-list] Meteorite Picture of the Day
An "unobserved fall" is two words to describe the one word that has
been used for a century, "Find". The one word "Find" is good enough
for the Catalogue of Meteorites, it was good enough for Harvey
Nininger, and it is what I shall always use. Keep it concise.
Regards, Fred Hall
That would make sense for say New Orleans, where a stone went through
a
house and no one in their right mind would suggest that it did not
fall at
that time say between 8 am and 4 pm when there was no hole in the
house,
yet it was not seen to fall.
An old rock found in a field does not suggest anything about fall
date. So
it is a find, something never really argued against until now?
It has crust which can suggest it is not thousands of years old, most
of
our Springwater meteorites have black and blue crust but nevertheless
it
is a find.
Michael Farmer
Sent from my iPhone
On Jan 4, 2013, at 10:28 AM, <valpar...@aol.com> wrote:
An "unobserved fall" is, well, a fall that was not observed, in
contradistinction to a fall that was observed. The terminology of
the Meteoritical Bulletin Database is "Observed fall: no".
The information being conveyed is NOT that the meteorite fell but
that
the fall was not observed.
In general, the questions about falling and finding are:
1) was the fall observed?
2) if so, when was it observed?
3) if not, is there any guesstimate of when it fell?
4) regardless of weather it was observed or not, when was it
actually found?
Paul Swartz
MPOD webmaster
What is an "unobserved fall"? Every meteorite fell at some point. I
have thousands of unobserved falls in my collection.
Michael Farmer
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