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- Brent_crater abstract "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 kilometres (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 energy equaling 250 megatons of TNT and occurred about 450 million years ago when this area was probably covered by a shallow sea.There is an observation tower on the rim of the crater. The old wooden tower was demolished in July 2007, because it was not safe to use due to its age. A new tower has been built on a hill directly across the Brent Road from the demolished tower. The new tower on the hill offers a much better panorama of the entire crater. Parking will also be increased as part of the new tower improvements. There is a hiking trail leading to the crater floor. There are two small lakes, Gilmour and Tecumseh, located in the crater. Unlike most Algonquin Park lakes, which are usually acidic, the water in these lakes contains bicarbonate; this is thought to be a result of some sedimentary deposits of limestone escaping removal by glaciers in the lower parts of the crater.The crater lies in the Ottawa-Bonnechere Graben, a 452 million year old rift valley.The crater was named after the nearby village of Brent.".
- Brent_crater wikiPageExternalLink index.html.
- Brent_crater wikiPageID "779935".
- Brent_crater wikiPageLength "4847".
- Brent_crater wikiPageOutDegree "40".
- Brent_crater wikiPageRevisionID "682662262".
- Brent_crater wikiPageWikiLink Acid.
- Brent_crater wikiPageWikiLink Algonquin_Provincial_Park.
- Brent_crater wikiPageWikiLink Bicarbonate.
- Brent_crater wikiPageWikiLink Brent,_Ontario.
- Brent_crater wikiPageWikiLink Canada.
- Brent_crater wikiPageWikiLink Category:Devonian_impact_craters.
- Brent_crater wikiPageWikiLink Category:Impact_craters_of_Ontario.
- Brent_crater wikiPageWikiLink Category:Landforms_of_Nipissing_District.
- Brent_crater wikiPageWikiLink Cedar_Lake_(Nipissing_District).
- Brent_crater wikiPageWikiLink Chondrite.
- Brent_crater wikiPageWikiLink Crystallinity.
- Brent_crater wikiPageWikiLink Devonian.
- Brent_crater wikiPageWikiLink Exploration_diamond_drilling.
- Brent_crater wikiPageWikiLink Glacier.
- Brent_crater wikiPageWikiLink Impact_crater.
- Brent_crater wikiPageWikiLink Impact_event.
- Brent_crater wikiPageWikiLink Limestone.
- Brent_crater wikiPageWikiLink Meteorite.
- Brent_crater wikiPageWikiLink National_Topographic_System.
- Brent_crater wikiPageWikiLink Nipissing_District.
- Brent_crater wikiPageWikiLink Northeastern_Ontario.
- Brent_crater wikiPageWikiLink Ontario.
- Brent_crater wikiPageWikiLink Ontario_Highway_17.
- Brent_crater wikiPageWikiLink Ordovician.
- Brent_crater wikiPageWikiLink Ottawa-Bonnechere_Graben.
- Brent_crater wikiPageWikiLink Papineau-Cameron,_Ontario.
- Brent_crater wikiPageWikiLink Pingualuit_crater.
- Brent_crater wikiPageWikiLink Precambrian.
- Brent_crater wikiPageWikiLink Rift_valley.
- Brent_crater wikiPageWikiLink Sediment.
- Brent_crater wikiPageWikiLink Sedimentary_rock.
- Brent_crater wikiPageWikiLink Township_(Canada).
- Brent_crater wikiPageWikiLink Trinitrotoluene.
- Brent_crater wikiPageWikiLink Unorganized_South_Nipissing_District.
- Brent_crater wikiPageWikiLinkText "Brent crater".
- Brent_crater wikiPageWikiLinkText "Brent impact crater".
- Brent_crater wikiPageWikiLinkText "Brent".
- Brent_crater access "Brent Road".
- Brent_crater age "396".
- Brent_crater bolide Chondrite.
- Brent_crater country Canada.
- Brent_crater district Nipissing_District.
- Brent_crater drilled "Yes".
- Brent_crater exposed "No".
- Brent_crater latD "46".
- Brent_crater latM "4".
- Brent_crater latNs "N".
- Brent_crater latS "22".
- Brent_crater longD "78".
- Brent_crater longEw "W".
- Brent_crater longM "28".
- Brent_crater longS "38".
- Brent_crater mapCaption "Location of the Brent Crater in Ontario".
- Brent_crater municipality "Papineau-Cameron and Unorganized South Nipissing District".
- Brent_crater name "Brent Crater".
- Brent_crater province Ontario.
- Brent_crater region "CA-ON_dim:10km".
- Brent_crater topo "NTS 031L01".
- Brent_crater wikiPageUsesTemplate Template:Convert.
- Brent_crater wikiPageUsesTemplate Template:Impact_cratering_on_Earth.
- Brent_crater wikiPageUsesTemplate Template:Infobox_terrestrial_impact_site.
- Brent_crater wikiPageUsesTemplate Template:Reflist.
- Brent_crater subject Category:Devonian_impact_craters.
- Brent_crater subject Category:Impact_craters_of_Ontario.
- Brent_crater subject Category:Landforms_of_Nipissing_District.
- Brent_crater hypernym Crater.
- Brent_crater type Crater.
- Brent_crater type Redirect.
- Brent_crater comment "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 kilometres (2.4 mi) in diameter and the age is estimated to be ca. 453 million years (Ordovician).".
- Brent_crater label "Brent crater".
- Brent_crater sameAs Q909645.
- Brent_crater sameAs Brent-Krater.
- Brent_crater sameAs Brentkrateret.
- Brent_crater sameAs Brent_(krater).
- Brent_crater sameAs m.03brzc.
- Brent_crater sameAs 5908448.
- Brent_crater sameAs Q909645.
- Brent_crater wasDerivedFrom Brent_crater?oldid=682662262.
- Brent_crater isPrimaryTopicOf Brent_crater.