manicouagan

Aouelloul

 Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Target Rock**  Bolide Type***
 Aouelloul  Mauritania  N 20° 15'  W 12° 41'  0.39  3.0 ± 0.3  Y  N  S  Iron (IIIB, IIID?)
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1. Photo

2. Landsat Thematic Mapper - Detail

3 & 4. Image Provided by Dr. Carlos Roberto de Souza Filho

5. DEM image Provided by Dr. Carlos Roberto de Souza Filho

References
Basilevsky, A. T., Fel'dman, V.I., Kapustkina, I.G. and Kolesov,G.M., On the distribution of iridium in the rocks of terrestrial impact craters (in Russian). Geokhimiya, v. 6, pp. 781-790. 1984.
Chao, E. C. T., Dwornik, E.J. and Merrill,C.W., Nickel-iron spherules from Aouelloul glass. Science, v. 154, pp. 759-765. 1966.
Chao, E. C. T., Shock effects in certain rock-forming minerals. Science, v. 156, pp. 192-202. 1967.
Cressy, P. J., Schnetzler, C.C. and French,B.M., Aouelloul glass: Aluminum 26 limit and some geochemical comparisons with Zli sandstone. Journal of Geophysical Research, v. 77, pp. 3043-3051. 1972.
El Goresy, A., Baddeleyite and its significance in impact glasses. Journal of Geophysical Research, v. 70, pp. 3453-3456. 1965.
El Goresy, A., The opaque minerals in impactite glasses. French, B.M. and Short, N.M., eds., Shock Metamorphism of Natural Materials, Mono Book Corp., Baltimore, MD, pp. 531-554. 1968.
Fudali, R. F., Cassidy, W. A., Gravity reconnaissance at three Mauritanian craters of explosive origin. Meteoritics, v. 7, pp. 51-70. 1972.
Fudali, R. F., Cressy, P. J., Investigation of a new stony meteorite from Mauritania with some additional data on its find site: Aouelloul crater. Earth and Planetary Science Letters, v. 30, pp. 262-268. 1976.
Gilchrist, J., Thorpe, A.N. and Senftle,F.E., Infrared analysis of water in tektites and other glasses. Journal of Geophysical Research, v. 74, pp. 1475-1483. 1969.
Grieve, R. A. F., Garvin, J.B., Coderre, J.M. and Rupert,J., Test of a geometric model for the modification stage of simple impact crater development. Meteoritics, v. 24, pp. 83-88. 1989.
Grieve, R. A. F., The record of impact on Earth: Implications for a major Cretaceous/Tertiary impact event. Geological Society of America, Special Paper 190, pp. 25-37. 1982.
Gucsik, A., Koeberl, C., Brandstaetter, F., Libowitzky, E. and Zhang, M., Infrared, Raman, and cathodoluminescence studies of impact glasses, Meteoritics & Planetary Science, v.39, no.8, pp.1273-1285. 2004.
Gurov, E. P., Gurova, E. P., Impact structures on the Earth's surface (in Russian). Geologicheskii Zhurnal, v. 47, pp. 117-124. 1987.
Koeberl, C., African meteorite impact craters: Characteristics and geological importance. Journal of African Earth Sciences, v. 18, pp. 263-295. 1994.
Koeberl, C., Auer, P., Geochemistry of impact glass from the Aouelloul crater, Mauritania (abstract). Lunar and Planetary Science XXII, pp. 731-732. 1991.
Koeberl, C., Reimold, W.U. and Shirey,S.B., The Aouelloul crater, Mauritania: On the problem of confirming the impact origin of a small crater, Meteoritics & Planetary Science 33, pp. 513-517. 1998.
Koeberl, C., Zhamanshinites and Aouelloul-glass: Main element analyses and correlations (abstract). Lunar and Planetary Science XIV, pp. 383-384. 1983.
Krinov, E. L., Meteorite craters on the Earth's surface. Middlehurst, B.M. and Kuiper, G.P., eds., The Moon, Meteorites and Comets, University of Chicago Press, Chicago, v. IV, pp. 183-207. 1963.
LaPaz, L., LaPaz, J., The Adrar (= Chinquetti), Mauritania, French West Africa, meteorite. Meteoritics, v. 1, pp. 187-192. 1954.
Masaitis, V. L., Danilin, A.N., Maschak, M.S., Raykhlin, A.I., Selivanovskaya, T.V. and Shadenkov,Ye.M., The Geology of Astroblemes (in Russian). Leningrad, Nedra, 231 p. 1980.
Monod, T., On some circular or craterform structures of the western Sahara. International Geological Congress, 19th, Algiers, pp. 85-93. 1954.
Monod, T., On some circular or craterforn occurrences of the Western Sahara (in French). McCall, G.J.H., ed., Benchmark Papers in Geology/36, Meteorite Craters, Dowden, Hutchinson & Ross, Inc., Stroudsburg, PA, pp.249-251. 1977.
Monod, T., Pourquié, A., The Aouelloul crater Adrar, western Sahara (in French). Bulletin de l'Institut Fordamental d'Afrique Noire, v. 13, pp. 293-311. 1951.
Morgan, J. W., Higuchi, H., Ganapathy, R. and Anders,E., Meteoritic material in four terrestrial meteorite craters. Proceedings Lunar Science Conference 6th, pp. 1609-1623. 1975.
Newsom, H.E. and Boslough, M.B.E., Impact melt formation by low-altitude airburst processes, evidence from small terrestrial craters and numerical modeling, Lunar and Planetary Science Conference XXXIX, abstract #1460. 2008.
O'Keefe, J. A., Zhamanshin and Aouelloul: Craters produced by impact of tektite-like glasses? Meteoritics, v. 22, pp. 219-228. 1987.
Storzer, D., Delibrias, G., Fission-track dating of meteorite impacts. Meteoritics, v. 12, pp. 368-369. 1977.
Storzer, D., Fission track dating of some impact craters in the age range between 6,000y and 300 m.y. (abstract). Meteoritics, v. 6, p. 319-320. 1971.
* pre-1977 K-Ar, Ar-Ar and Rb-Sr ages recalculated using the decay constants of Steiger and Jager (1977) Ages in millions of years (Ma) before present.

** Abbreviations: C - Crystalline Target; C-Ms - Metasedimentary Target; M - Mixed Target (i.e.sedimentary strata overlying crystalline basement); S - sedimentary target (i.e. no crystalline rocks affected by the impact event). From Osinski. G. R., Spray J. G., and Grieve R. A. F. 2007. Impact melting in sedimentary target rocks: A synthesis. In The Sedimentary Record of Meteorite Impacts, Geological Society of America Special Paper. Editors: Evans K. Horton W., King D., Morrow J., and Warme J. Geological Society of America: Boulder, in press.

***From Koeberl,C. Identification of meteoritic components in impactites. 1998, Koeberl, C. The Geochemistry and Cosmochemistry of Impacts. 2007 and PASSC Files. (IAB, IIIAB, IIIB, IIID - Iron Meteorite)