Tunnunik impact crater
| Prince Albert Impact Crater | |
  Tunnunik Impact Crater Location of the Tunnunik Impact Crater in the Northwest Territories | |
| Impact crater/structure | |
|---|---|
| Confidence | Unconfirmed |
| Diameter | ~25 kilometers (16 mi) |
| Age | ~130–350 million years |
| Exposed | Yes |
| Location | |
| Location | Prince Albert Peninsula |
| Coordinates |
72°28′N 113°56′W / 72.467°N 113.933°WCoordinates: 72°28′N 113°56′W / 72.467°N 113.933°W [1] |
| Country | Canada |
| Province | Northwest Territories |
The Tunnunik Impact Crater, formerly the Prince Albert Impact Crater,[2] is a probable meteorite impact crater located on Prince Albert Peninsula, in the northwestern part of Victoria Island in Canada's Northwest Territories.[1] The 25-kilometer-wide (16 mi) crater was discovered in 2010 by Brian Pratt, professor of geology at the University of Saskatchewan, and Keith Dewing of the Geological Survey of Canada while they were doing an aerial survey of the region. The crater is estimated to have formed between 130 and 350 million years ago, and may have been created when a 5-kilometer-wide (3 mi) meteor struck the Earth.[3] It is Canada's 30th known meteorite impact feature.
References
- 1 2 "Researchers discover new impact crater in the Arctic". University of Saskatchewan. 2012-07-25. Archived from the original on 2013-02-19.
The researchers discovered the crater two summers ago while exploring the area by helicopter for the Natural Resources Canada (NRCan) Geo-Mapping for Energy and Minerals program, and it took two years to properly assemble the geological maps and submit their article for publication. Pratt and Dewing named the new discovery the Prince Albert impact crater after the peninsula where it is situated.
NOTE: Geographic coordinates are in the comments section. - ↑ "Tunnunik (Prince Albert)". Earth Impact Database. Planetary and Space Science Centre. Retrieved July 16, 2015.
- ↑ "Meteor crater: Huge hole 25 kilometres wide discovered in Arctic, but was it made by a meteorite?". Saskatoon: The Toronto Star. 2012-07-25. Archived from the original on 2013-02-19. Retrieved 2012-08-09.
Pratt said he and Dewing knew from earlier surveys of the remote area that dipping, and even vertical rock faces, had been found on Victoria Island, so they wanted to check them out. Most rocks in the Arctic have horizontal strata and have never been folded or faulted by tectonic pressure, Pratt explained.