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- Algoman_orogeny abstract "The Algoman orogeny, known as the Kenoran orogeny in Canada, was an episode of mountain-building (orogeny) during the Late Archean Eon that involved repeated episodes of continental collisions, compressions and subductions. The Superior province and the Minnesota River Valley terrane collided about 2,700 to 2,500 million years ago. The collision folded the Earth's crust and produced enough heat and pressure to metamorphose the rock. Blocks were added to the Superior province along a 1,200 km (750 mi) boundary that stretches from present-day eastern South Dakota into the Lake Huron area. The Algoman orogeny brought the Archaen Eon to a close, about 2,500 million years ago; it lasted less than 100 million years and marks a major change in the development of the earth’s crust.The Canadian shield contains belts of metavolcanic and metasedimentary rocks formed by the action of metamorphism on volcanic and sedimentary rock. The areas between individual belts consist of granites or granitic gneisses that form fault zones. These two types of belts can be seen in the Wabigoon, Quetico and Wawa subprovinces; the Wabigoon and Wawa are of volcanic origin and the Quetico is of sedimentary origin. These three subprovinces lie linearly in southwestern- to northeastern-oriented belts about 140 km (90 mi) wide on the southern portion of the Superior Province.The Slave province and portions of the Nain province were also affected. Between about 2,000 and 1,700 million years ago these combined with the Sask and Wyoming cratons to form the first supercontinent, the Kenorland supercontinent.".
- Algoman_orogeny thumbnail Orogenic_wedge.jpg?width=300.
- Algoman_orogeny wikiPageID "26416344".
- Algoman_orogeny wikiPageRevisionID "597361259".
- Algoman_orogeny hasPhotoCollection Algoman_orogeny.
- Algoman_orogeny subject Category:Geologic_provinces.
- Algoman_orogeny subject Category:Orogeny.
- Algoman_orogeny subject Category:Terranes.
- Algoman_orogeny type AdministrativeDistrict108491826.
- Algoman_orogeny type District108552138.
- Algoman_orogeny type GeologicProvinces.
- Algoman_orogeny type Location100027167.
- Algoman_orogeny type Object100002684.
- Algoman_orogeny type PhysicalEntity100001930.
- Algoman_orogeny type Region108630985.
- Algoman_orogeny type State108654360.
- Algoman_orogeny type YagoGeoEntity.
- Algoman_orogeny type YagoLegalActorGeo.
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- Algoman_orogeny comment "The Algoman orogeny, known as the Kenoran orogeny in Canada, was an episode of mountain-building (orogeny) during the Late Archean Eon that involved repeated episodes of continental collisions, compressions and subductions. The Superior province and the Minnesota River Valley terrane collided about 2,700 to 2,500 million years ago. The collision folded the Earth's crust and produced enough heat and pressure to metamorphose the rock.".
- Algoman_orogeny label "Algoman orogeny".
- Algoman_orogeny sameAs m.0bmhrn6.
- Algoman_orogeny sameAs Q4724310.
- Algoman_orogeny sameAs Q4724310.
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- Algoman_orogeny wasDerivedFrom Algoman_orogeny?oldid=597361259.
- Algoman_orogeny depiction Orogenic_wedge.jpg.
- Algoman_orogeny isPrimaryTopicOf Algoman_orogeny.