The descriptions and bibliographies listed on this page represent structures that may turn out to be impact craters, and which have been previously described in the literature. This section is not the primary focus of this website, and may remain substantially less complete and up to date than other sections. Please submit improved descriptions, photographs, additional references for articles related to the listed structures, or any other structures not described here, to This website will only be as complete and useful as we make it through community effort. If you have located a possible impact structure that is not represented here, please let me know the specific GPS coordinates and approximate diameter, and I will add these also, though they will be placed on the 'Unpublished Possibles' page. Listed in alphabetical order, with bibliographies.
Bee Bluff, Texas (also known as Uvalde or Lyles Ranch), is a possible meteorite impact crater located in Zavala County, Texas. It is variously reported as between about 1.6 and 2.5 km in diameter.
Breyer J. A. (1996) Another strike at Bee Bluff. Gulf Coast Association of Geological Societies Transactions, Volume 46, pp. 63-69
Deussen A. (1924) Geology of the coastal plain of Texas west of Brazos River. USGS Professional Paper 126.
Donofrio R. R. (1997) Survey of hydrocarbon-producing impact structures in North America: exploration results to date and potential for discovery in Precambrian basement rock. In Ames structure in northwest Oklahoma and similar features; origin and petroleum production (1995 symposium), (Johnson K. S. and Campbell J. A., eds.). Oklahoma Geological Survey Circular 100. Norman, OK, United States: University of Oklahoma. pp. 17-29.
Graham R. A. (2005) Ballography: A Billion Nanosecond History of the Bee Bluff Impact Crater of South Texas (abstract). American Physical Society, 14th APS Topical Conference on Shock Compression of Condensed Matter.
Graham R. A., Martin M., Morosin B. (2005) Quartz and Hydrous Iron-oxide Impactites from the Bee Bluff Structure of South Texas (abstract #Q2.006). American Physical Society, 14th APS Topical Conference on Shock Compression of Condensed Matter, July 31-August 5, 2005.
Graham R. A., Wilson W. F. (2005) Reinvestigation of the Bee Bluff Structure South of Uvalde, Texas, ‘The Uvalde Crater’ (abstract). Abstracts of the 36th Lunar and Planetary Science Conference
His G. (1967) The serpentine plug at Bee Bluff on the Nueces River, Zavala County, Texas. Gulf Coast Association of Geological Societies, 17th Annual Meeting, Guidebook, pp. 36-40.
no link found
Jurena D. J., French B. M., Gaffey M. J. (2001) Planar deformation feature orientations and distribution in quartz grainsfrom the Carrizo sand foramtion in south Texas: relation to the Bee Bluff structure (abstract #1828). Abstracts of the 32nd Lunar and Planetary Science Conference.
Jurena D. J., French B. M., Gaffey M. J. (2003) Gravity transect profile and PDF/PF comparisons from the Bee Bluff structure (abstract #2076). Abstracts of the 34th Lunar and Planetary Science Conference.
King E. A. (1979) Comment and Reply on "Remnants of a probable Tertiary crater in south Texas". Geology, Volume 7, No. 7, p. 328. doi: 10.1130/0091-7613(1979)?7<328a:CARORO>?2.0.CO;2
Robertson P. B. (1980) Anomalous Development of Planar Deformation Features in Shocked Quartz of Porous Lithologies (abstract #1334). Abstracts of the 11th Lunar and Planetarys Science Conference.
Sharpton V. L., Nielsen D. C. (1988) Is the Bee Bluff structure in S. Texas an impact crater? (abstract #1540). Abstracts of the 19th Lunar and Planetary Science Conference.
Wilson W. F. (1981) South Texas field trip 1981: meteor impact site, asphalt deposits and volcanic plugs. South Texas Geological Society, San Antonio, 53 pages. In Geology of the Llano Uplift, central Texas, and geological features in the Uvalde area (1982), Gary L. Kuecker and Robert W. Sullivan, Jr., eds., Corpus Christi Geol. Soc. Annual Spring Field Conference, section 2, p. 1-53.
Wilson W. F. and Wilson D. H. (1979) Comment and Reply on "Remnants of a probable Tertiary crater in south Texas". Geology, Volume 7, No. 7, p. 328. doi: 10.1130/0091-7613(1979)?7<328a:CARORO>?2.0.CO;2
Wilson W. F. and Wilson D. H. (1979) Remnants of a probable Tertiary impact crater in south Texas. Geology, Volume 7, No. 3, pp. 144-146. doi: 10.1130/0091-7613(1979)?7<144:ROAPTI>?2.0.CO;2
Mitchum, R.M., 1951. The Dycus Disturbance, Jackson County, Tennessee. Unpublished Thesis, Vanderbilt University.
http://www.lpi.usra.edu/meetings/lpsc2006/pdf/1358.pdf
https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_181903.htm
A. E. Lane 2018 The Echo Cliff Structure: Identification and Analysis of a Possible Kansan Impact Structure, Master's Thesis, Kansas State University. 96 pages.
Koeberl et al., 2000.
http://www.lpi.usra.edu/meetings/lpsc1982/pdf/1336.pdf
Panther Mountain, New York
http://parwestlandexploration.com/docs/(Revised)%20PantherMountainarticle%20for%20web%20site.pdf
http://discovermagazine.com/2000/aug/featcrater
Howell Tennessee
Milam, K. A., Henderson, T., Deane, B. (2014) An assessment of shock metamorphism in breccias from the Howell Structure, Lincoln County, Tennessee, USA (abstract). Abstracts of the 2014 GSA Annual Meeting, Geological Society of America Abstracts with Programs. Vol. 46, No. 6, p.760.
http://www.lpi.usra.edu/meetings/lpsc2000/pdf/1297.pdf
Seeger C. R. (1966) Origin of the Jeptha Knob Structure, Kentucky. PhD Thesis, University of Pittsburgh, 134 pages, 38 figures.
Seeger C. R. (1972) Geophysical investigation of the Versailles, Kentucky, astrobleme. Bulletin of the Geological Society of America, Volume 83, Issue 11, pages 3515-3518.
An assessment of peak broadening in XRD spectra from limestones of the Jeptha Knob structure, Shelby County, KY
https://gsa.confex.com/gsa/2014AM/webprogram/Paper249192.html
https://www.uky.edu/KGS/education/meteors.pdf
http://adsabs.harvard.edu/full/1991Metic..26...47H
Black, D. F. B. (1964) Cryptoexplosive structure near Versailles, Kentucky. United States Geological Survey Research 1964, Chapter B, Geological Survey Professional Paper 501-B, pages B9-12.
Also known as Cove Dome
http://www.lpi.usra.edu/meetings/lpsc2006/pdf/2375.pdf
http://www.lpi.usra.edu/meetings/lpsc2008/pdf/2506.pdf
Refuted Impact Structures:
The Avon Structure
The Avon structure, one of the sites originally associated with the 38th parallel lineament hypothesis, is known today to consist of a cluster of volcanic dikes and filled vents, called diatremes. This site did not originate as a meteorite impact.
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