[meteorite-list] Marquez Impact Structure was "Marquez, TX ??"

From: Paul <lenticulina1_at_meteoritecentral.com>
Date: Thu Apr 22 10:21:02 2004
Message-ID: <20030710133302.72369.qmail_at_web21405.mail.yahoo.com>

Walter Branch asked:

>List members, is there such a site?

Yes, there is, there are some references listed
in the World Crater Inventory at:
http://www.unb.ca/passc/ImpactDatabase/images/marquez.htm

It's Latitude is : N 31° 17' and longitude is
W 96° 18' It has a diameter of 12.7 km and has
been dated as being about 58 million years old.
It lies near Marquez, Texas.
        
Also, shattercones have been found in limestone
pieces that are found in the area of this impact
structure. Go look at:

Dietz, R. S., and McHone, J. F., 1991, Astroblemes
recently confirmed with shatter cones (abstract).
Meteoritics, v. 26, p. 332.

Sharpton,, V. L., and Gibson, J. W., Jr., 1990, The
Marquez Dome impact structure, Leon County, Texas
Abstracts of papers submitted to the Twenty-first
Lunar and planetary science conference. vol. 21,
pp. 1136-1137, Lunar and Planetary Science
Conference, Houston, Texas.

Wong, A. C. Sadow, J. C., Reid, A. M., Hall, S. A.,
and Sharpton, V. L., 1997, The Marquez crater in Leon
County, Texas. Ames Structure in Northwest Oklahoma
and Similar Features: Origin and Petroleum Production
(1995 Symposium), K. S. Johnson and J. A. Campbell,
Oklahoma Geological Survey, Norman, Oklahoma,
Circular 100, p. 278.

A few of many other references are:

Buchanan, P.C., Koeberl, C., and Reid, A, M,, 1998,
Impact into unconsolidated, water-rich sediments at
the Marquez Dome, Texas. Meteoritics & Planetary
Science. vol. 33, no. 5, pp. 1053-1064.

Gibson, J. L., 1989, Marquez Dome-an impact in Leon
County, Texas. Unpublished master's thesis,
University of Houston, Houston, Texas.

Wong, A., 2001, Reconstruction of the subsurface
structure of the Marquez impact crater in Leon County,

Texas, USA, based on well-log and gravity data.
Meteoritics & Planetary Science, vol. 36, no. 11,
pp.1443-1455

Yours,

Paul
Baton Rouge, LA


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Received on Thu 10 Jul 2003 09:33:02 AM PDT