Steen River crater

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]

References

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

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.

Impact cratering on Earth • Impact crater

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Coordinates: 59°30′N 117°38′W / 59.500°N 117.633°W / 59.500; -117.633 (Steen River crater)

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