Steen River crater
From Wikipedia, the free encyclopedia
Steen River is an impact structure (astrobleme) in Alberta, Canada.
It is 25 km in diameter and the age is estimated to be 91 ± 7 million years (Lower Cretaceous). The crater is not exposed at the surface. The crater was partially eroded prior to burial, and lies under 200 m of sediments.
[edit] External links
- Earth Impact Database
- 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.
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