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

 

Slate Islands

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Slate Islands
Ontario, Canada
N 48° 40'
W 87° 0'
30
~ 450
Y
N
C
-

 

Landsat image

DEM

References
Bengston, M. E., Meyer, R.P., Halls, H.C., Karl, J.H. and Dushek,D., Geophysical investigations of the Slate Islands cryptoexplosion structure (abstract). EOS, v. 62, p. 383. 1981.
Bengtson, M. E., Geophysical field study of the Slate Islands cryptoexplosion site. M.Sc. Thesis, University of Wisconsin-Madison, 83 p. 1984.
Bottomley, R. J., 40Ar-39Ar dating of melt rocks from impact craters. Ph.D. Thesis, University of Toronto, Toronto, 104 p., unpublished. 1982.
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.
Dressler, B. O., Sharpton, V. L., Breccia formation at a complex impact crater: Slate Islands, Lake Superior, Ontario, Canada. Tectonophysics, v. 275, pp. 285-311. 1997.
Dressler, B. O., Sharpton, V. L., Breccias of the Slate Islands impact structure, Northern Lake Superior, Ontario (abstract). GAC/MAC, p. A24. 1996.
Dressler, B. O., Sharpton, V. L., Bunte breccia, suevite, and impact melt at the Slate Islands impact structrue, Lake Superior, Ontario, Canada (abstract). AGU Fall Meeting, San Francisco, pp. 409. 1994.
Dressler, B.O., Sharpton, V.L., Copeland, P., Slate Islands, Lake Superior, Canada: a mid-size, complex impact structure, Geological Society of America, Special Paper, vol.339, pp.109-124. 1999.
Dressler, B. O., Sharpton, V. L., Shock attenuation across the central portion of a complex impact structure: Slate Islands, Lake Superior, Canada (abstract). Lunar and Planetary Science XXVIII, pp. 309-310. 1997.
Dressler, B. O., Sharpton, V.L., Schnieders, B. and Scott,J., Formation of impact breccias at the Slate Islands structure, northern Lake Superior, Ontario, Canada (abstract). Lunar and Planetary Science, v. XXVII, pp. 325-326. 1996.
Dressler, B. O., Sharpton, V.L., Schnieders, B. and Scott,J., New Observations at the Slate Islands Impact Structure, Lake Superior. Ontario Geological Survey, v. Miscellaneous Paper 164, pp. 53-61. 1995.
Dressler, B.O., Sharpton, V.L., Schuraytz, B.C., Shock metamorphism and shock barometry at a complex impact structure: Slate Islands, Canada, Contributions to Mineralogy and Petrology, v. 130, pp. 275-287, 1998
Euler, D. L., Snider, B. and Timmermann,H.R., Woodland caribou and plant communities on the Slate Islands, Lake Superior. The Canadian Field Naturalist, v. 90, pp. 17-21. 1975.
Goltrant, O., Cordier, P and Doukhan,J - C., Planar deformation features in shocked quartz; a transmission electron microscopy investigation. Earth and Planetary Science Letters, v. 106, pp. 103-115. 1991.
Grieve, R. A. F., Robertson, P. B., The Slate Islands structure: A partially submerged impact crater in Lake Superior. GEOS, Spring 1977, 3 p. 1977.
Grieve, R. A. F., Robertson, P. B., Variations in shock deformation at the Slate Islands impact structure, Lake Superior, Canada. Contributions to Mineralogy and Petrology, v. 58, pp. 37-49. 1976.
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.
Grieve, R.A.F., Robertson, P.B., Variations in shock deformation at the Slate Islands Impact Structure, Lake Superior, Canada, Contributions to Mineralogy and Petrology, v. 61, pp. 107, 1977
Gurov, E. P., Gurova, E. P., Impact structures on the Earth's surface (in Russian). Geologicheskii Zhurnal, v. 47, pp. 117-124. 1987.
Halls, H. C., Diatremes and shock features in Precambrian rocks of the Slate Islands, northeastern Lake Superior: Discussion. Geological Society of America Bulletin, v. 90, pp. 1084-1086. 1979.
Halls, H. C., Grieve, R. A. F., The Slate Islands: A probable complex meteorite impact structure in Lake Superior. Canadian Journal of Earth Sciences, v. 13, pp. 1301-1309. 1976.
Halls, H. C., Shock-induced remanent magnetisation in the late Precambrian rocks from Lake Superior. Nature, v. 255, pp. 692-695. 1975.
Halls, H. C., The paleomagnetic signature of a complex meteorite impact structure, Slate Islands, Lake Superior (abstract). EOS, v. 58, pp. 1-727. 1977.
Halls, H. C., The Slate Island meteorite impact site: A study of shock remanent magnetization (abstract). In: Pesonen, L.J. and Niemisara, H., eds., Symposium Fennoscandian Impact Structures, p. 27. 1990.
Halls, H. C., The Slate Islands meteorite impact site: A study of shock remanent magnetization. Geophysics, Journal of the Royal Astronomical Society of Canada, v. 59, pp. 553-591. 1979.
Halls, H. C., The use of converging remagnetization circles in paleomagnetism. Physics of the Earth and Planetary Interiors, v. 16, pp. 1-11. 1978.
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.
Meyer, R. P., Karl, J.H., Halls, H.C. and Bengtson,M.E., The Slate Islands: An astrobleme? (abstract). EOS, v. 61, p. 366. 1980.
Officer, C.B., Carter, N.L., A review of the structure, petrology, and dynamic deformation characteristics of some enigmatic terrestrial structures, Earth Science Reviews, v. 30, pp. 1-49, 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.
Robertson, P. B., Grieve, R. A. F., Diatremes and shock features in Precambrian rocks of the Slate Islands, northeastern Lake Superior: Discussion. Geological Society of America Bulletin, v. 90, pp. 1087-1088. 1979.
Sage, R. P., Diatremes and shock features in Precambrian rocks of the Slate Islands, northeastern Lake Superior. Geological Society of America Bulletin, v. 89, pp. 1529-1540. 1978.
Sage, R. P., Diatremes and shock features in Precambrian rocks of the Slate Islands, northeastern Lake Superior: Reply. Geological Society of America Bulletin, v. 91, pp. 313-316. 1980.
Sage, R. P., Geology of the Slate Islands, District of Thunder Bay. Summary of field work, 1974, by the Geological Branch, Ontario Division of Mines, Miscellaneous Paper 59, pp. 80-86. 1974.
Sage, R. P., Precambrian geology, Slate Islands. Ontario Geological Survey, Report 264, 111 p. 1991.
Sharpton, V. L., Copeland, P., Dressler, B.O. and Spell,T.L., New age constraints on the Slate Islands impact structure, Lake Superior, Canada (abstract). Lunar and Planetary Science XXVIII, pp. 1287-1288. 1997.
Sharpton, V. L., Dessler, B.O., Herrick, R.R., Schnieders, B. and Scott,J., New Constraints on the Slate Islands Impact Structure, Ontario, Canada, GSA, Geology, vol. 24, no. 9, pp. 851-854. 1996.
Sharpton, V. L., Dressler, B. O., Impact melt breccias, Slate Islands structure, Northern Lake Superior, Ontario (abstract). GAC/MAC,. 1996.
Sharpton, V. L., Dressler, B. O., Shock attenuation and breccia formation at a complex impact structure: Slate Islands, northern Lake Superior, Canada (abstract). Large Meteorite Impacts and Planetary Evolution,. 1997.
Sharpton, V. L., Dressler, B. O., Shock metamorphism and impact melts at the Slate Islands impact structure, Lake Superior, Ontario, Canada (abstract), Fall AGU, p. F337. 1995.
Sharpton, V. L., Dressler, B. O., The Slate Islands impact structure: Structural imterpretation and age constraints (abstract). Lunar and Planetary Science, v. XXVII, pp. 1177-1178. 1996.
Sharpton, V. L., Dressler, B.O., Herrick, R.R., Schnieders, B. and Scott,J., New constraints on the Slate Islands impact structure, Ontario, Canada. Geology, v. 24, pp. 851-854. 1996.
Stesky, R. M., Elastic properties of shocked rocks from the Slate Islands meteorite impact structure, northern Lake Superior (abstract). EOS, p. 31. 1978.
Stesky, R. M., Halls, H. C., Structural analysis of shatter cones from Slate Islands, northern Lake Superior (abstract). Lunar and Planetary Science X, pp. 1172-1174. 1979.
Stesky, R. M., Halls, H. C., Structural analysis of shatter cones from Slate Islands, northern Lake Superior. Canadian Journal of Earth Sciences, v. 20, pp. 1-18. 1983.
Wu, S., Robertson, P.B. and Grieve,R.A.F., Shock attenuation at the Slate Islands revisited (abstract). Lunar and Planetary Science XXIV, pp. 1543-1544. 1993.

 

* 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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