Steen River crater
|Diameter||25 km (16 mi)|
|Age||91 ± 7 Ma|
Steen River is an impact structure in Alberta, Canada. It is 25 km (16 mi) in diameter and the age is estimated to be 91 ± 7 million years (Late Cretaceous). The crater is not exposed at the surface. The crater was partially eroded prior to burial, and lies under 200 m (660 ft) of sediments.
- "Steen River". Earth Impact Database. Planetary and Space Science Centre University of New Brunswick Fredericton. Retrieved 15 September 2019.
- 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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