manicouagan

Wanapitei

 Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Target Rock**  Bolide Type***
 Wanapitei  Ontario, Canada  N 46° 45'  W 80° 45'  7.5  37.2 ± 1.2  N  N  C  Chondrite
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1. Aerial Photograph

2. DEM

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.
Ber, T., The geochemistry of shocked and country rocks from the Lake Wanapitei impact structure, Ontario. M.Sc. Thesis, University of Ottawa, Ottawa, Ontario, 122 p. 1992.
Bottomley, R. J., York, D. and Grieve,R.A.F., Possible source craters for the North American tektites--A geochronological investigation (abstract). EOS, v. 60, p. 309. 1979.
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.
Clark, J. F., Geomagnetic surveys at four Canadian craters. Canada Department of Energy, Mines and Resources, Earth Physics Branch, Geomagnetic Report, pp. 1-41. 1979.
Dabizha, A. I., Fel'dman, V. I., The geophysical properties of some astroblemes in the USSR (in Russian). Meteoritika, v. 40, pp. 91-101. 1982.
Dabizha, A. I., Ivanov, B. A., A geophysical model of the structure of meteorite craters and some problems of the mechanics of crater formation (in Russian). Meteoritika, v. 37, pp. 160-167. 1978.
Dabizha, A. I., A new interpretation of the structure of meteorite craters (in Russian). Astronomicheskii Vestnik, v. 11, pp. 73-77. 1977.
Dabizha, A. I., Fedynsky, V. V., Features of the gravitational field of astroblemes (in Russian). Meteoritika, v. 36, pp. 113-120. 1977.
Dabizha, A. I., Fedynsky, V. V., The Earth's "star wounds" and their diagnosis by geophysical methods (in Russian). "Zemlya i Vselennaya", v. 3, pp. 56-64. 1975.
Dence, M. R., Robertson, P.B. and Wirthlin,R.L., Coesite from the Lake Wanapitei crater, Ontario. Earth and Planetary Science Letters, v. 22, pp. 118-122. 1974.
Dence, M. R., Popelar, J., Evidence for an impact origin for Lake Wanapitei, Ontario. Geological Association of Canada, Special Paper No. 10, pp. 117-124. 1972.
Dence, M. R., Guy-Bray, J. V., Some astroblemes, craters and cryptovolcanic structures in Ontario and Quebec. International Geological Congress, 24th, Montreal, Quebec, Excursion A-65, 61 p. 1972.
Dressler, B. O., Crabtree, D. and Schuraytz,B.C., Incipient melt formation and devitrification at the Wanapitei impact structure, Ontario, Canada. Meteoritics and Planetary Science, v. 32, pp. 249-258. 1997.
Dressler, B. O., Crabtree, D. and Schuraytz,B.C., Incipient melt formation of glasses at the Wanapitei impact structure, Ontario, Canada (abstract). IV International Conference on Advanced Material, Symposium 19, Cancún, Mexico. 1995.
Dressler, B. O., Geology of the Wanapitei Lake area, District of Sudbury. Ontario Geological Survey Report, v. 213, 131 p. 1982.
Evans, N. J., Gregoire, D.C., Grieve, R.A.F., Goodfellow, W.D. and Veizer,J., Use of platinum-group elements for impactor identification: Terrestrial impact craters and Cretaceous-Tertiary boundary. Geochemica et Cosmochimica Acta, v. 57, pp. 3737-3748. 1993.
Grieve, R. A. F., Ber, T., Characterization of an impact even from non in situ samples: The Wanapitei sample. Second International Workshop. Impact Cratering and Evolution of Planet Earth. The Identification and Characterization of Impacts. 1994.
Grieve, R. A. F., Ber, T., Shocked lithologies at the Wanapitei impact structure, Ontario, Canada. Meteoritics, v. 29, 621-631. 1994.
Grieve, R. A. F., Ber, T., Wanapitei impact structure: Reconstruction of the event (abstract). Lunar and Planetary Science XXV, pp. 479-480. 1994.
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.
Lazorek, M., Eyles, N. , Eyles, C. , Doughty, M. , L'Heureux, E. and Milkereit, B., Late Quaternary seismo-stratigraphy of Lake Wanapitei, Sudbury, Ontario, Canada: Arguements for a possible meteorite impact origin, Sedimentary Geology, 192, P. 231 - 242. 2006.
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.
Millman, P. M., The space scars of Earth. Nature, v. 232, pp.161-164. 1971.
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.
Palme, H., Grieve, R.A.F. and Wolf,R., Identification of the projectile at Brent crater, and further considerations of projectile types at terrestrial craters. Geochimica et Cosmochimica Acta, v. 45, pp. 2417-2424. 1981.
Polsky, C. H., McHone, J. F., Raman Spectroscopic Confirmation of Metastable Cristobalite in Melt Samples from the Wanapitei Impact Structure, LPSC XXIX, Lunar and Planetary Institute, Houston, TX, (CD-ROM). 1998.
Popelar, J., Gravity interpretation of the Sudbury area. Geological Association of Canada, Special Paper No. 10, pp. 103-111. 1972.
Quirke, T. T., Wanapitei Lake Map - Area. Geological Survey of Canada Summary Report, Part D, pp. 34-50. 1922.
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.
Schuraytz, B. C., Dressler, B. O., Ballen-structured quartz in glasses of the Wanapitei impact structure, Ontario, Canada (abstract). Lunar and Planetary Science XXVIII, pp. 1265-1266. 1997.
Winzer, S. R., Lum, R.K.L. and Schuhmann,S., Rb, Sr & strontium isotopic composition, K/Ar age & large ion lithophile trace element abundances in rocks & glasses from the Wanapitei Lake impact structure. Geochimica et Cosmochimica Acta, v. 40, pp. 51-57. 1976.
Wolf, R., Woodrow, A.B. and Grieve,R.A.F., Meteoritic material at four Canadian impact craters. Geochimica et Cosmochimica Acta, v. 44, pp. 1015-1022. 1980.
* 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)