Steen River crater

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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 (Lower 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.^[1]

[edit] References

^ "Steen River". Earth Impact Database. University of New Brunswick. Retrieved 2009-08-16.

[edit] External links

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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