Eagle Butte
| Crater Name | Location | Latitude | Longitude | Diameter (km) | Age (Ma) | Exposed | Drilled | Target Rock** | Bolide Type*** |
|---|---|---|---|---|---|---|---|---|---|
| Eagle Butte | Alberta, Canada | N 49° 42' | W 110° 30' | 10 | < 65 | N | Y | S | - |
Vertical image
References |
Belyea, H. R., Devonian Elk Point group, central and southern Alberta. Department of Mines and Technical Surveys, Canada, Paper 59-2, 14 p. 1959. |
Clark, J. F., Magnetic profiles at Holleford crater, eastern Ontario. Geological Association of Canada, Proceedings, v. 20, pp. 24-29. 1969. |
Clark J. F., Magnetic Survey Data at Meteoritic Impact Sites in North America, 1983. |
Dence, M. R., The nature and significance of terrestrial impact structures. International Geological Congress, 24th, Montreal, Canada, pp. 77-89. 1972. |
Ezeji-Okoye, S., The origin of the Eagle Butte structure, Eagle Butte, Alberta Canada. Unpublished Report for Pan Canadian Petroleum, 75 p. 1985. |
Grieve R. A. F., Terrestrial Impact Structures, 1987. |
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. |
Gurov, E. P., Gurova, E. P., Impact structures on the Earth's surface (in Russian). Geologicheskii Zhurnal, v. 47, pp. 117-124. 1987. |
Haites, T. B., van Hees, H., The origin of some anomalies in the plains of western Canada. Journal of the Alberta Society of Petroleum Geologists, v. 10, pp. 511-533. 1962. |
Lawton D.C., Stewart, R. R., Geophysical signature of the Eagle Butte impact crater (abstract). GAC/MAC, Program with Abstracts, Annual Meeting, v. 19, p. A62. 1994. |
Lawton, D. C., Stewart, R.R. and Gault,R., The geophysical signatiure of the Eagle Butte impact crater (abstract). Canadian Geophysical Union, Banff, Alberta. 1993. |
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. |
McHone J F., Dietz, R. S., Earth's multiple impact craters and astroblemes (abstract). Lunar and Planetary Science, v. XXIII, pp. 887-888. 1992. |
Ogilvie, B. Y., Robertson, B. and Grieve,R.A.F., Meteorite impact features in Canada: An inventory and an evaluation. Unpublished Report, 180 p. 1984. |
Robertson, P. B., Grieve, R. A. F., Impact structures in Canada: Their recognition and characteristics. Journal of the Royal Astronomical Society of Canada, v. 69, pp. 1-21. 1975. |
Russell, L. S., Landes, R. W., Geology of the southern Alberta plains. Geological Survey of Canada Memorandum 221, pp. 124-128. 1940. |
Sawatzky H. B., Buried impact craters in the Williston Basin and adjacent area, 1977. |
Sawatzky, H. B., Two probable late Cretaceous astroblemes in western Canada - Eagle Butte, Alberta and Dumas, Saskatchewan. Geophysics, v. 41, pp. 1261-1271. 1976. |
Visser, J. and Scott, D., An Early Tertiary Meteorite Impact Structure at Eagle Butte, Alberta. CSPG Core Conference 2005, pp. 324-328. 2005. |
| * 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) |