Unorganized South Nipissing, Canada
The Brent crater is an impact crater in both the geographic township of Deacon, Unorganized South Nipissing District and the municipal township of Papineau-Cameron in Nipissing District, northeastern Ontario, Canada, located north of Cedar Lake in northern Algonquin Provincial Park. It is 3.8 kilome
tres (2.4 mi) in diameter and the age is estimated to be ca. 453 million years (Ordovician). The crater can be reached using Brent Road, 32 kilometres (20 mi) south of Ontario Highway 17. A sign, erected at the site by the Archeological and Historic Sites Board, Archives of Ontario, reads: The Brent Crater: First recognized in 1951 from aerial photographs, the crater is a circular depression about two miles in diameter formed in Precambrian crystalline rocks. Geophysical and diamond drilling investigations show that the crater has a present depth of about 1,400 feet but is partly filled with sedimentary rocks with a thickness of 900 feet. The rocks beneath the crater floor are thoroughly fragmented over a depth of 2,000 feet. Like the similar New Quebec (Chubb) crater, the Brent crater is attributed to the high speed impact of a giant meteorite. It is calculated that the impact released...
Listen to the audio guide for Brent crater Free on WIP — starts by itself when you arrive, even with the screen off