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?) |
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. |
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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. |
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* 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) |