[meteorite-list] Impact Crater in New Mexico – Part 2 Lincoln County

From: Rob Holcomb <rob.holcomb_at_meteoritecentral.com>
Date: Wed, 5 Jan 2011 23:23:48 -0800
Message-ID: <C5052073ADA64DC99D2DF16450FB4314_at_ATTHEFARM>

Looking at these features in Google Earth, they appear to be capped
limestone structures rather than depressions. Has anyone on the discussion
list actually been there?
Rob
http://www.rholcomb.com

--------------------------------------------------
From: "Paul H." <oxytropidoceras at cox.net>
Sent: Wednesday, January 05, 2011 7:34 PM
To: <meteorite-list at meteoritecentral.com>
Subject: [meteorite-list] Impact Crater in New Mexico ? Part 2 Lincoln
County

> Abe wrote in ?Impact Crater in New Mexico? at
> http://six.pairlist.net/pipermail/meteorite-list/2011-January/072191.html
> ;
>
> ?How about these 34? 0'51.00" N 105? 8'41.46" W?
> I notice a huge scatter of craters. Is much known
> about these or what they are? There are a lot of
> these ancient scars for several miles around. If
> they aren't impact craters it would be interesting
> to know what they are.?
>
> The features that are located at and near 34? 0'51.00"
> N 105? 8'41.46" W lie within the S1/2 of the SE1/4, of
> Section 27 and the N1/2 of the NE 1/2 of Section 34 of
> T. 3S., R. 17E. within Lincoln County, New Mexico.
> According to Scholle, P. A. (2003), this area is underlain
> by the San Andres Formation, which is described as
> ?Limestone and dolomite with minor shale.?
>
> Judging from what can be seen in the images, the
> depressions in this area are natural features. Their
> morphology exhibits all the characteristics of typical
> sinkholes developed in the local limestone and
> dolomite bedrock. Unfortunately, I cannot at this
> time find anything specific about the geology of
> this part of Lincoln County, New Mexico.
>
> If a person wants to look for features to investigate
> as possible impact craters, they can check out the
> potential impact crater that Skotnicki (2009)
> reported finding within the Lincoln 7.5 quadrangle,
> Lincoln County, New Mexico.
>
> References;
>
> Scholle, P. A., 2003, Geologic Map of New Mexico.
> scale 1:500,000, New Mexico Bureau of Geology
> and Mineral Resources, Socorro, New Mexico.
>
> Skotnicki , S. J., 2009, Preliminary Geologic Map
> of the Lincoln Quadrangle, Lincoln County, New
> Mexico. scale: 1:24,000. Open-file Digital Geologic
> Map OF-GM 188. New Mexico Bureau of Geology
> and Mineral Resources, Socorro, New Mexico.
> http://geoinfo.nmt.edu/publications/maps/geologic/ofgm/details.cfml?Volume=188
> Map at
> http://geoinfo.nmt.edu/publications/maps/geologic/ofgm/downloads/188/Lincoln_v1p-00.pdf
> Text at
> http://geoinfo.nmt.edu/publications/maps/geologic/ofgm/downloads/188/Lincoln_Report.pdf
>
> Yours,
>
> Paul H.
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Received on Thu 06 Jan 2011 02:23:48 AM PST