Largest verified impact crater on earth, dating from the Paleoproterozoic Era
|Vredefort Dome (centre)|
Vredefort Dome, seen from space by STS-51-I
|Diameter||300 km (190 mi)|
|Age||2,023 ± 4 Ma|
|Official name||Vredefort Dome|
|Inscription||2005 (29th session)|
|Area||30,000 ha (120 sq mi)|
The Vredefort crater /ˈvrɛdəfɜːrt/ is the largest verified impact crater on Earth. More than 300 kilometres (190 mi) across when it was formed, what remains of it is in the present-day Free State province of South Africa. It is named after the town of Vredefort, which is near its centre. Although the crater itself has long since been eroded away, the remaining geological structures at its centre are known as the Vredefort Dome or Vredefort impact structure. The crater is calculated to be 2.023 billion years old (± 4 million years), with impact being in the Paleoproterozoic Era. It is the third-oldest known crater on Earth.
- "Vredefort". Earth Impact Database. Planetary and Space Science Centre University of New Brunswick Fredericton. Retrieved 2008-12-30.
- "Deep Impact - The Vredefort Dome". Hartebeesthoek Radio Astronomy Observatory. 2006-08-01. Retrieved 2007-09-19.
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