Steen River is an
impact structure in
Alberta
Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...
, Canada. It is in diameter and the age is estimated to be 91 ± 7 million years (
Late Cretaceous
The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', ...
). The crater is not exposed at the surface. The crater was partially eroded prior to burial, and lies under of sediments.
References
External links
Exploration of the Steen River crater
Further reading
Niccoli, M., Hildebrand, A.R. and Lawton D.C. (2005) "Seismic Velocity Study of the Rim Uplift of the Steen River Impact Crater" Lunar and Planetary Science XXXVI.
Impact craters of Alberta
Cretaceous impact craters
Cretaceous Canada
Mackenzie County
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