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- Vaalbara abstract "Vaalbara is the Earth's theorized first supercontinent. It was a complete supercontinent by 3,100 million years ago. Vaalbara formed possibly beginning 3,600 million years ago and was broken apart by about 2,800 million years ago.Vaalbara consisted of the eastern South African Kaapvaal craton joined with the Pilbara craton in northwest Western Australia. (The name Vaalbara is derived from the last four letters of each craton's name.)It is uncertain when Vaalbara began to break up; geochronological and palaeomagnetic evidence show that the two cratons had a rotational 30° latitudinal separation in the time period of 2.78 to 2.77 billion years ago, which indicates they were no longer joined after ~2,800 million years ago.Continental plates have periodically collided and assembled in geologic periods of orogenesis (mountain building) to form supercontinents. The cycle of supercontinent formation, breakup, dispersal and reformation by plate tectonics occurs every 450 million years or so.".
- Vaalbara thumbnail Map_of_Kaapvaal_craton.svg?width=300.
- Vaalbara wikiPageExternalLink 257.
- Vaalbara wikiPageExternalLink 2004TC001717.shtml.
- Vaalbara wikiPageExternalLink Zegers98b.pdf.
- Vaalbara wikiPageExternalLink www.palaeos.com.
- Vaalbara wikiPageID "6101870".
- Vaalbara wikiPageRevisionID "592544264".
- Vaalbara hasPhotoCollection Vaalbara.
- Vaalbara subject Category:Archean.
- Vaalbara subject Category:Geological_history_of_Earth.
- Vaalbara subject Category:Geological_processes.
- Vaalbara subject Category:Historical_continents.
- Vaalbara subject Category:Impact_event_minerals.
- Vaalbara subject Category:Impact_geology.
- Vaalbara subject Category:Plate_tectonics.
- Vaalbara subject Category:Supercontinents.
- Vaalbara subject Category:Tectonics.
- Vaalbara type Continent109254614.
- Vaalbara type GeologicalFormation109287968.
- Vaalbara type HistoricalContinents.
- Vaalbara type ImpactCratersOnEarth.
- Vaalbara type Land109334396.
- Vaalbara type Landmass109335916.
- Vaalbara type Object100002684.
- Vaalbara type PhysicalEntity100001930.
- Vaalbara type PossibleImpactCratersOnEarth.
- Vaalbara type VolcanicCrater109472413.
- Vaalbara type YagoGeoEntity.
- Vaalbara type YagoPermanentlyLocatedEntity.
- Vaalbara comment "Vaalbara is the Earth's theorized first supercontinent. It was a complete supercontinent by 3,100 million years ago. Vaalbara formed possibly beginning 3,600 million years ago and was broken apart by about 2,800 million years ago.Vaalbara consisted of the eastern South African Kaapvaal craton joined with the Pilbara craton in northwest Western Australia.".
- Vaalbara label "Vaalbara".
- Vaalbara label "Vaalbara".
- Vaalbara label "Vaalbara".
- Vaalbara label "Vaalbara".
- Vaalbara label "Vaalbara".
- Vaalbara label "Vaalbara".
- Vaalbara label "Vaalbará".
- Vaalbara label "Walbara".
- Vaalbara label "Ваальбара".
- Vaalbara label "バールバラ大陸".
- Vaalbara label "瓦巴拉大陸".
- Vaalbara sameAs Vaalbara.
- Vaalbara sameAs Vaalbará.
- Vaalbara sameAs Vaalbara.
- Vaalbara sameAs Vaalbara.
- Vaalbara sameAs バールバラ大陸.
- Vaalbara sameAs Vaalbara.
- Vaalbara sameAs Walbara.
- Vaalbara sameAs Vaalbara.
- Vaalbara sameAs m.0fq696.
- Vaalbara sameAs Q1342109.
- Vaalbara sameAs Q1342109.
- Vaalbara sameAs Vaalbara.
- Vaalbara wasDerivedFrom Vaalbara?oldid=592544264.
- Vaalbara depiction Map_of_Kaapvaal_craton.svg.
- Vaalbara isPrimaryTopicOf Vaalbara.
