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Earth Impact Database Sorted by : | Name | Diameter | Age |

 

Clearwater West

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Clearwater West
Quebec, Canada
N 56° 13'
W 74° 30'
36
290 ± 20
Y
Y
M
-

 

North is to the right

Landsat Image

DEM

References
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Beals, C. S., Ferguson, G.M. and Landau,A., A search for analogies between lunar and terrestrial topography and photographs of the Canadian shield. Journal of the Royal Astronomical Society of Canada, v. 50, pp. 203-222, 304-333, 350-361. 1956.
Beals, C. S., Halliday, I., Impact craters of the Earth and moon. Journal of the Royal Astronomical Society of Canada, v. 59, pp. 209-210. 1965.
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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.
Bunch, T. E., Cohen, A.J. and Dence,M.R., Natural terrestrial maskelynite. American Mineralogist, v. 52, pp. 244-253. 1967.
Bunch, T. E., Cohen, A.J. and Dence,M.R., Shock-induced structural disorder in plagioclase and quartz. French, B.M. and Short, N.M., eds., Shock Metamorphism of natural Materials, Mono Book Corp., Baltimore, MD, pp. 509-518. 1967.
Bunch, T. E., Some characteristics of selected minerals from craters. French, B.M. and Short, N.M., eds., Shock Metamorphism of Natural Materials, Mono Book Corp., Baltimore, MD, pp. 413-432. 1968.
Ciesielski, A., Plante, L., Archean granulites in the Lac à l'Eau Claire area, north Bienville Subprovince, Superior Province, Quebec. Current Research, Part C, Geological Survey of Canada, Paper 90-1C, pp. 59-67. 1990.
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.
Cockell, C. S., Lee, P., The Biology of Impact Craters - a review. Biol. Rev., 77, P. 279 - 310. 2002.
Currie, K. L., Analogues of lunar craters on the Canadian shield. New York Academy of Sciences, Annals, v. 123, pp. 915-940. 1965.
Currie, K. L., Shafiquallah, M., Geochemistry of some large Canadian craters. Nature, v. 218, pp. 457-459. 1968.
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.
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Dence, M. R., A comparative structural and petrographic study of probable Canadian meteorite craters. Meteoritics, v. 2, pp. 249-270. 1964.
Dence, M. R., Engelhardt, W.v., Plant, A.G. and Walter,L., Indications of fluid immiscibility in glass from West Clearwater Lake impact structure, Quebec, Canada. Contributions to Minerology and Petrology, v. 46, pp. 81-97. 1974.
Dence, M. R., Engelhardt, W.v., Walter, L.S. and Plant,A.G., Spheroids in impact glass from West Clearwater Lake crater, Quebec (abstract). EOS, v. 51, p. 342. 1970.
Dence, M. R., Innes, M.J.S. and Beals,C.S., New meteor crater. Space Science, v. 13, p. 8. 1963.
Dence, M. R., Innes, M.J.S. and Beals,C.S., On the probable meteorite origin of the Clearwater Lakes, Quebec. Journal of the Royal Astronomical Society of Canada, v. 59, pp. 13-22. 1965.
Dence, M. R., Meteorite breakup. Nature, v. 289, pp. 346. 1981.
Dence, M. R., Shock zoning at Canadian craters: Petrography and structural implications. French, B.M. and Short, N.M., eds., Shock Metamorphism of Natural Materials, Mono Book Corporation, Baltimore, MD, pp. 169-184. 1968.
Dence, M. R., The extraterrestrial origin of Canadian craters. New York Academy of Sciences, Annals, v. 123, pp. 941-969. 1965.
Dence, M. R., The nature and significance of terrestrial impact structures. International Geological Congress, 24th, Montreal, Canada, pp. 77-89. 1972.
Engelhardt, W. v., Horz, F., Stoffler, D. and Bertsch,W., Observations of quartz deformation in breccias of West Clearwater Lake, Canada, and the Ries Basin, Germany. French, B.M. and Short, N.M., eds., Shock Metamorphism of Natural Materials, Mono Book Corp., Baltimore, MD, pp. 475-482. 1968.
Fel'dman, V. I., Sazonova, L.V. and Granovsky,L.B., A classification of impactites based on petrographic and geological features (in Russian). Ispytateley Prirody Byull., Otdel. Geol., v. 57, pp. 84-94. 1982.
Fleischer, R. L., Viertl, J.R.M. and Price,P.B., Age of the Manicouagan and Clearwater Lake craters. Geochimica et Cosmochimica Acta, v. 33, pp. 523-527. 1969.
Grieve, R. A. F., Meteoritic component and impact melt composition at the Lac a L'Eau Claire (Clearwater) impact structures, Quebec. Geochimica et Cosmochimica Acta, v. 42, pp. 429-431. 1978.
Grieve, R. A. F., Palme, H. and Plant,A.G., Siderophile-rich particles in the melt rocks of the E. Clearwater impact structure, Quebec: Their characteristics and relationship to the impacting body. Contributions to Mineralogy and Petrology, v. 75, pp. 187-198. 1980.
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.
Halliday, I., Theories of the origin of Hudson Bay. Part II: Supporting astronomical evidence from three members of the solar system. Ottawa Dominion Observatory Contribution, v. 4, no. 29. 1968.
Hische, R., Clearwater Impact Structure, Quebec, Canada, I: A 3-dimensional model (abstract). European Science Foundation, Second International Workshop, Impact Cratering and Evolution of Planet Earth. The Identification and Characterization of Impacts, Lockne, Sweden. 1994.
Hische, R., Clearwater impact structure, Quebec, Canada, II: Modelling of the impact conditions (abstract). European Science Foundation, Second International Workshop. Impact Cratering and Evolution of Planet Earth. The Identification and Characteization of Impacts, Lockne, Sweden. 1994.
Hische, R., Clearwater impact structure, Quebec, Canada: Modeling of the impact conditions (abstract). Meteoritics, v. 29, pp. 473-474. 1994.
Hische, R., Deutsch, A. and Ivanov,B.A., On the origin of the Clearwater Lakes impact structures (Canada): Twins or not? (abstract). IV International Conference on Advanced Material, Symposium 19, Cancún, Mexico. 1995.
Innes, M. J. S., Dence, M.R. and Robertson,P.B., Recent geological and geophysical studies of Canadian craters. French, B.M. and Short, N.M., eds., Shock Metamorphism of Natural Materials, Mono Book Corp., Baltimore, MD, pp. 339-362. 1968.
Ivanov, B. A., Basilevsky, A.T. and Sazonova,L.V., Formation of the central uplift in meteoric craters (in Russian). Meteoritika, v. 40, pp. 67-81. 1982.
Kranack, S. H., Sinclair, G. W., Clearwater Lake, New Quebec. Geological Survey of Canada, Bulletin 100, 25 pp. 1963.
Lozej, G. P., Dence, M.R. and Beales,F.W., Crateri meteoritici terrestri: revisione e discussione con esempi di crateri dello scudo Canadese. Geologia Tecnica, v. 5, pp. 157-181. 1971.
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.
McIntyre, D. B., Impact metamorphism at Clearwater Lake, Quebec (abstract). Journal of Geophysical Research, v. 67, pp. 1647. 1962.
McIntyre, D. B., Impact metamorphism at Clearwater Lake, Quebec. French, B.M. and Short, N.M., eds., Shock Metamorphism of Natural Materials, Mono Book Corp., Baltimore, MD, pp. 363-366. 1968.
Melosh, H. J., Stansberry, J., Doublet craters and the tidal disruption of binary asteroids (abstract). Meteoritics, v. 26, pp. 371-372. 1991.
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., Goebel, E and Grieve,R.A.F., The distribution of volatile and siderophile elements in the impact melt of East Clearwater (Quebec). Proceedings Lunar and Planetary Science Conference 10th, v. 3, pp. 2465-2492. 1979.
Palme, H., Grieve, R. A. F., The chemical composition of the impact melt at the Clearwater East impact structure, Quebec, Canada (abstract). Meteoritics, v. 13, pp. 595-596. 1978.
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.
Palme, H., Janssens, M.J., Takahashi, H. anders, E. and Hertogen,J., Meteoritic material at five large impact craters. Geochimica et Cosmochimica Acta, v. 42, pp. 313-323. 1978.
Parfenova O V., Yakovlev, O. I., Some peculiarities of selective evaporation in target rocks after meteoritic impact. Impact and Explosion Cratering, D. J. Roddy, R. O. Pepin and R. B. Merrill, Pergamon Press, New York, pp. 843-859. 1977.
Phinney, W. C., Simonds, C.H., Cochran, A. and McGee,P.E., Geology of the West Clearwater, Quebec impact structure, Part III: SEM petrology of very fine-grained units (abstract). Lunar and Planetary Science IX, pp. 895-897. 1978.
Phinney, W. C., Simonds, C.H., Cochran, A. and McGee,P.E., West Clearwater, Quebec impact structure, Part II: Petrology. Proceedings Lunar and Planetary Science Conference 9th, v. 2, pp. 2659-2693. 1978.
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Scott, R. G., Pilkington, M. and Tanczyk,E.I., Magnetic studies of the Clearwater Lake impact structures (abstract). Lunar and Planetary Science XXVI, pp. 1261-1262. 1995.
Scott, R. G., Pilkington, M., Tanczyk, E.I. and Grieve,R.A.F., Magnetic properties of three impact structures in Canada (abstract). Meteoritics, v. 30, pp. 576-577. 1995.
Scott, R.G., Pilkington, M., Tanczyk, E.I., Magnetic investigations of the West Hawk, Deep Bay and Clearwater impact structures, Canada, Meteoritics and Planetary Science, v. 32, pp. 293-308, 1997
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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)

 

 

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