Steen River crater facts for kids
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 / 59.500°N 117.633°W |
Country | Canada |
State | 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.
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Steen River crater Facts for Kids. Kiddle Encyclopedia.