Steen River crater

Short description: Crater in Alberta

Steen River crater

Location of the crater in Canada

Impact crater/structure
Confidence| Confirmed
Diameter| 25 km (16 mi)
Age| 91 ± 7 Ma
Late Cretaceous
Exposed| No
Drilled| Yes
Location
Coordinates|  [ ⚑ ] : 59°30′N 117°38′W﻿ / ﻿59.5°N 117.633°W﻿ / 59.5; -117.633﻿ (Steen River crater)
Country| Canada
Province| Alberta
District| Mackenzie County

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.[1]

## References

1. ↑ "Steen River". Earth Impact Database. Planetary and Space Science Centre University of New Brunswick Fredericton. http://www.passc.net/EarthImpactDatabase/New website_05-2018/SteenRiver.html.

## 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.

Note: This topic belongs to "Geology" portal

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