[meteorite-list] Does this seem implausible to anyone else?

From: Jason Utas <meteoritekid_at_meteoritecentral.com>
Date: Wed, 9 Sep 2009 07:57:30 -0700
Message-ID: <93aaac890909090757s560983afmcd02d9239313895b_at_mail.gmail.com>

Darren, All,
Well, have a look at the region from google earth. There are quite
literally hundreds (if not thousands) of elongate depressions that are
quite easily visible from the air. I used to spend quite a bit of
time looking for new craters on google earth, and the area really had
me stumped for a while; in addition to the three or four original
craters noted, I found hundreds of new ones, all of which were aligned
in-line with the original discoveries, and all of which
looked....pretty much the same, varying only in size. The trouble
with the article is that it states that the area in which these
features occur is only 400 km/sq. It covers literally thousands of
square kilometers.
If they're actually meteoric, that was one hell of a rubble-pile
asteroid that gave Argentina something akin to a shotgun blast of
extraterrestrial matter. If not...well, hell if I know what they are.
Regards,
Jason

On Wed, Sep 9, 2009 at 8:45 AM, Darren Garrison<cynapse at charter.net> wrote:
> http://www.google.com/hostednews/afp/article/ALeqM5hRa6u8O0ZprE7dF10g8FMNv1ERig
>
> Patagonia site of world's biggest crater field: study
>
> (AFP) ? 19 hours ago
>
> BUENOS AIRES ? Argentina can lay claim to the world's largest crater field, a
> volcanic area in Patagonia known as the "Devil's Slope," according to a study
> released Tuesday.
>
> Covering 400 square kilometers (154 square miles), the Bajada del Diablo field
> is peppered with at least 100 depressions left by the collisions of meteorites
> or comets 130,000 to 780,000 years ago, the study found.
>
> "Each crater measures between 100 and 500 meters (yards) in diameter and is
> between 30 and 50 meters deep, which makes it the biggest such field in the
> world in terms of the size of the craters," said Rogelio Acevedo of the Southern
> Center for Scientific Investigations.
>
> The study, published in the September edition of the journal Geomorphology, was
> led by Acevedo and Hugo Corbella, who first identified the field in the 1970s.
>
> Thirty years later, the team obtained financing from the Argentine province of
> Chubut and the National Geographic Society to survey the field.
>
> In terms of the number of craters, the field is only the second largest in the
> world after the Sikhote-Aalin field in Siberia, which has 159 craters.
>
> "But in Siberia the craters are smaller," Acevedo said.
>
> With just one impact of the size that struck Patagonia, he said, Buenos Aires
> "would be pulverized in a matter of seconds."
>
> He said the field's craters, which are visible on Google Earth, are similar to
> those found on the Moon, Mercury, Mars and Venus, making them worthy of further
> study.
>
> They are well preserved because the remote sheep-raising region in which they
> are found is arid and sparsely populated, he said, adding that it will be
> necessary to protect it from tourists.
>
> But Acevedo suggested, "this exceptional place could become a natural park."
>
> Argentina has another crater field, called Campo de Cielo, in the northern Chaco
> province. There are only nine such fields in the world.
>
>
>
> Also:
>
> http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V93-4W2NDK5-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_searchStrId=1005936461&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=6d007a363d66c8808fd411934d4da9d3
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Received on Wed 09 Sep 2009 10:57:30 AM PDT