[meteorite-list] Fully Documented Hammer?

From: Galactic Stone & Ironworks <meteoritemike_at_meteoritecentral.com>
Date: Fri, 23 Dec 2011 15:57:34 -0500
Message-ID: <CAKBPJW8iPaE+GWzjsMv02QVMSgYupC17=6+VZMNbqobn3_J0Xw_at_mail.gmail.com>

Hi Anita and List,

It makes sense that the most recent hammers should be the best
documented falls because of the proliferation of digital devices with
cameras. There is also increased awareness of meteorite falls in more
recent years, so we are seeing very solid documentation for hammers.
A good example is Park Forest. Nobody can begin question the hammer
status of Park Forest, because so many targets were struck. So, I'd
take it at face value that all of the known hammers in the last ~10
years are authentic.

Since the year 2000, we have had the following hammer falls -

Apr 30, 2011 - Soltmany (L6 chondrite) : Poland
Jul 17, 2011 - Thika (L6 chondrite) : Kenya
Jul 11-12, 2011 - "Draveil/Essonne?" (unofficial) - (H chondrite?) : France
Jan 18, 2010 - Lorton (L6 chondrite) : Virginia USA
Apr 14, 2010 - Mifflin (L5 chondrite) : Wisconsin USA
Feb 15, 2009 - Ash Creek (L6 chondrite) : Texas USA
Mar 01, 2009 - "Cartersville" (unofficial) (ordinary chondrite) : Georgia USA
Sep 25, 2009 - Grimsby (H5 chondrite) : Canada
Apr 12, 2008 - "Zunhua" (unofficial) (L4 chondrite?) : China
Feb 21, 2007 - Mahadevpur (H4/5 chondrite) : India
Jul 06, 2007 - Cali (H/L4 chondrite) : Columbia
Sep ??, 2007 - (exact day unknown) - Guadalajara (L or LL3 chondrite?) : Mexico
Jul 14, 2006 - Moss (CO3.6 carbonaceous chondrite) : Norway
Jul 17, 2005 - "Montney" (H6 chondrite?) : Canada
Nov 08, 2004 - Orlando (Eucrite) : Florida USA
Feb 01, 2003 - Hiroshima (H5 chondrite) : Japan
Mar 26, 2003 - Park Forest (L5 chondrite) : Illinois USA
Sep 23, 2003 - New Orleans (H5 chondrite) : Louisiana USA
Feb 03-14 2002 - Alby sur Cheran (Eucrite) : France
Feb 20, 2002 - San Michele (L6 chondrite) : Italy
Jul 21, 2002 - Thuathe (H4/5 chondrite) : Lesotho

That is a total of 21 hammer falls in almost 11 years now - or about 2
per year on average. This year we have been a perfect 3 for 3 on
recovered hammered falls. So we are seeing one of two things - a
statistical increase of hammer falls (due in part to the proliferation
of digital cameras), or Mother Nature has improved her accuracy. You
can also figure that the human population and footprint increases each
year, so the more of us walking around, the more likely we'll
something get hit or be struck by something. It another century, the
majority of falls over dry land will likely be hammers.

The number of well documented falls drops off sharply in the previous
century and most falls from antiquity can be considered anecdotal.

The number of well documented hammers prior to the 21st century may be
less than the number of hammers we have seen in the last 11 years.
Think about that for a moment....

Best regards and Merry Christmas, Happy Holidays, or Happy Saturnalia. :)

MikeG

-- 
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Galactic Stone & Ironworks - Meteorites & Amber (Michael Gilmer)
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On 12/23/11, wahlperry at aol.com <wahlperry at aol.com> wrote:
> Hi Anita,
>
> I would bet Michael ( Hammer Man ) Blood would know. : )
>
> Sonny
>
>
> -----Original Message-----
> From: Anita Westlake <anitawestlake at att.net>
> To: Meteorite List <meteorite-list at meteoritecentral.com>
> Sent: Fri, Dec 23, 2011 2:49 am
> Subject: [meteorite-list] Fully Documented Hammer?
>
>
> Does anyone know about how many hammers have been fully documented that
> have in one place/collection:1.  The whole meteorite (or all the
> pieces)2.  All of the material it hit (shingle, wood, plaster, floor,
> car, etc.)3.  The date/time if witnessed4.  The classificationI'm
> guessing there are only about 4-5 cases worldwide, but I may way off.
> (I've been accused of that before.)Thanks for your
> help,Anita______________________________________________HAPPY
> HOLIDAYS!!Visit the Archives at
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> stinfo/meteorite-list
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Received on Fri 23 Dec 2011 03:57:34 PM PST