[meteorite-list] Arizona Meteor Crater Holds Deep Fascination

From: meteoriteplaya_at_comcast.net <meteoriteplaya_at_meteoritecentral.com>
Date: Fri Apr 7 00:22:56 2006
Message-ID: <040620061703.23859.443549F8000048A000005D3322028887440E970E049F0A9B079D010A9B0A03_at_comcast.net>

Hi Larry
Actually they are only off by a factor of 100X on the error I see.

I also noticed the article mentions a size of 550 feet deep and 4000 feet
across. This made me curious as I collect meteor crater postcards and remembered 570 as the most often used figure. I decided to look at all my cards....almost 125 and see if the figure 550 was ever used. The most common number mentioned in these cards is 570 ft & 4000 ft. The second most common is 600 feet & 4000 ft. There are also cards with 700 ft and 800 ft but these were produced before 1940. Then it seems sometimes in the 80's it became 4150 ft across and in the 90's it was now only 550 ft deep. So the figure MC Enterprises uses most often now is 550 ft deep and 4150 feet across. I guess it is getting further across and that material is filling the interior. So I guess the reporter chose to use the 550 ft and round the distance across to 4000 ft.

The article also mentioned that:
>Miners, reports indicate, loaded as much as 20 tons of meteor fragments onto
trains bound for smelting facilities in Texas where it was made into tools.>

We discussed this on the list several years ago. If I remember correctly there
was some debate as to the accuracy of this story. One of the problems with the
story was the quantity. That would be 18,200 kg. How long would it take to
collect that much material? Can any of you long time members remember the
outcome of the discussion?

Mike
--
Mike Jensen
Jensen Meteorites
16730 E Ada PL
Aurora, CO 80017-3137
303-337-4361
IMCA 4264
website: www.jensenmeteorites.com
 -------------- Original message ----------------------
From: Larry Lebofsky <lebofsky_at_lpl.arizona.edu>
> Hi all:
> 
> I caught at least one really big mistake in this article.
> 
> Larry
> 
> Quoting Ron Baalke <baalke_at_zagami.jpl.nasa.gov>:
> 
> > 
> > http://www.denverpost.com/news/ci_3673333
> > 
> > Ariz. meteor crater holds deep fascination
> > By Rich Tosches
> > Denver Post 
> > April 5, 2006
> > 
> > There is a hole in the ground near this ghost town on the desert
> > plateau, a place where the Rocky Mountains become little more than
> > small, rocky hills.
> > 
> > The hole is 550 feet deep and 4,000 feet across. As you stand on the rim
> > of the crater and gaze into its red sandstone depths, you can't help but
> > imagine that day, once upon a time, when something almost unthinkable
> > happened in this place.
> > 
> > The first known written note about the crater was penned in 1871 by a
> > scout for Gen. George Armstrong Custer.
> > 
> > For decades after word got out, scientists studied the hole. Some
> > believed a volcano was the culprit. Others thought it was the work of a
> > meteor. (Today, a smaller group clings to a third compelling theory that
> > involves baseball star Barry Bonds dropping a dumbbell on his way to
> > spring training 200 miles south in Scottsdale.)
> > 
> > Turns out the meteor theory was the right one. It came, scientists say,
> > some 50 million years ago, a 150-foot-wide bundle of iron and nickel
> > weighing several hundred thousand tons, burning through the sky and
> > slamming into our planet at some 40,000 mph.
> > 
> > And out here on the dusty land in north-central Arizona where lizards
> > now scamper and the occasional jackrabbit races across the sand, woolly
> > mammoths died on that very loud day.
> > 
> > All of which is not lost on Carolyn Sprinkles, who works in the gift
> > shop at Meteor Crater and sells, among other things, small packets
> > labeled "fossilized dung" for $1.25 each.
> > 
> > "I walk by that hole out there all the time and I'm always in awe," said
> > Sprinkles, who just began her third year working at the tourist
> > attraction and living in an RV just down the road from the crater, an RV
> > she shares with her husband, who works in the Meteor Crater ticket booth.
> > 
> > The hole in the ground is owned mostly by the family of the man who
> > spent a large chunk of his life down inside the crater. Daniel
> > Barringer, a mining engineer from Pennsylvania, became dazzled by the
> > site in the early 1900s and spent decades drilling holes in the bottom
> > of the crater. He thought he'd find the "great ball of iron" that made
> > the depression. He found nothing.
> > 
> > In 1929, a final drill bit became stuck in the ground at a depth of
> > 1,376 feet. Then the drill cable broke. Then Barringer ran out of money.
> > And time. He died later that same year.
> > 
> > Today, the Barringer family has a partnership with the Bar T Bar Ranch,
> > a cattle operation that was started here in the 1880s. In 1955, the
> > ranch owners formed Meteor Crater Enterprises, Inc.
> > 
> > Goodbye cows.
> > 
> > Hello gift shop and ticket booth.
> > 
> > While most of the meteor that hit at what is officially known as the
> > Barrington Meteor Crater vaporized upon impact, many pieces remained.
> > The largest known chunk weighs over 1,400 pounds and is on display at
> > the Crater Museum, near the gift shop. And before Barrington sealed off
> > the area for his drilling work, reports indicated that settlers carted
> > off hundreds and perhaps thousands of tons of the meteor's iron.
> > 
> > Miners, reports indicate, loaded as much as 20 tons of meteor fragments
> > onto trains bound for smelting facilities in Texas where it was made
> > into tools.
> > 
> > NASA, which used the Arizona crater to train Apollo astronauts, says the
> > hole is the first to ever be positively identified as an impact crater
> > and calls it "the best preserved crater on Earth."
> > 
> > Which makes Carolyn Sprinkles smile. And makes longtime Texas high
> > school principal Bill Cranfill proud.
> > 
> > "I live here at the crater, in one of those apartments right there,"
> > said the retired educator, now the manager of the facility, pointing
> > across the parking lot to a row of crater housing units where he has
> > lived for the past five years. "In the summer we'll get 1,500 people a
> > day, seven days a week."
> > 
> > But this odd place on a remote plateau 40 miles east of Flagstaff is,
> > for Cranfill, more than just a tourist site.
> > 
> > "For five years now, whenever I get a minute," he said, "I stand on the
> > rim of that hole. And I just try to imagine what happened that day."
> > 
> > ______________________________________________
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> > Meteorite-list_at_meteoritecentral.com
> > http://six.pairlist.net/mailman/listinfo/meteorite-list
> > 
> 
> 
> -- 
> Dr. Larry A. Lebofsky
> Senior Research Scientist
> Co-editor, Meteorite                      "If you give a man a fish,   
> Lunar and Planetary Laboratory               you feed him for a day.
> 1541 East University                       If you teach a man to fish,
> University of Arizona                        you feed him for a lifetime."
> Tucson, AZ 85721-0063                                     ~Chinese Proverb
> Phone:  520-621-6947
> FAX:    520-621-8364
> e-mail: lebofsky_at_lpl.arizona.edu
> ______________________________________________
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Received on Thu 06 Apr 2006 01:03:52 PM PDT


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