Deep Bay is a bay near the south-western tip of

Reindeer Lake Reindeer Lake is a lake in western Canada located on the border between north-eastern Saskatchewan and north-western Manitoba, with the majority in Saskatchewan. The name of the lake appears to be a translation of the Algonquian name. It is ...

Saskatchewan Saskatchewan ( ; ) is a province in western Canada, bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, to the northeast by Nunavut, and on the south by the U.S. states of Montana and North Dak ...

, Canada. The bay is strikingly circular and very deep (220 m) in an otherwise irregular and shallow lake. It is the deepest body of water in Saskatchewan. The bay was formed in a 13 km wide

impact crater An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact crater ...

. The age of the crater is estimated to be 99 ± 4 million years (

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...

). The smaller Gow crater, of

Triassic The Triassic ( ) is a geologic period and system (stratigraphy), system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago (Year#Abbreviations yr and ya, Mya), to the beginning of the Jurassic Period 201.36 ...

age, is approximately 90 km west of Deep Bay crater.

References

External links

Aerial exploration of the Deep Bay crater
Impact craters of Saskatchewan Cretaceous impact craters Division No. 18, Saskatchewan {{cretaceous-stub