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La Moinerie
Crater Name |
Location |
Latitude |
Longitude |
Diameter (km) |
Age (Ma)* |
Exposed |
Drilled |
Target Rock** |
Bolide Type*** |
La Moinerie |
Quebec, Canada |
N 57° 26' |
W 66° 37' |
8 |
400 ± 50 |
Y |
N |
C |
- |
Vertical view
DEM (High Resolution image available)
References 1. Bottomley, R. J., York, D. and Grieve,R.A.F., 40Argon-39Argon dating of impact craters. Proceedings Lunar and Planetary Science Conference 20th, pp. 421-431. 1990. 2. Bottomley, R. J., York, D. and Grieve,R.A.F., 40Ar-39Ar dating of Canadian impact craters: Lac Couture and Lac La Moinerie (abstract). Meteoritics, v. 13, p. 395. 1978. 3. Clark, J. F., Magnetic survey data at meteoritic impact sites in North America. Geomagnetic Service of Canada, Earth Physics Branch Open File # 83-5, 30 p. 1983. 4. Gold, D. P., Tanner, J.G. and Halliday,D.W., The Lac La Moinerie crater: A probable impact site in New Quebec (abstract). Geological Society of America, v. 10, p. 44. 1978. 5. 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. 6. Grieve, R. A. F., Petrographic report on impact melt samples. Unpublished report, Earth Physics Branch, Department of Energy, Mines and Resources, Ottawa, Canada. 1976. 7. Gurov, E. P., Gurova, E. P., Impact structures on the Earth's surface (in Russian). Geologicheskii Zhurnal, v. 47, pp. 117-124. 1987. 8. 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 Unpublished Report, 180 p. 1984. 9. Thomas, M. D., Halliday, D.H. and Stephenson,R., Gravity anomalies and geological structure in northern Labrador and northeastern Quebec. Earth Physics Branch, Canada, Gravity Map Series Nos. 157-161, 38 p. 1978.
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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 - Metasedimetary 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)
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