Yarrabubba impact structure

Yarrabubba impact structure
Composite aeromagnetic anomaly map of the Yarrabubba impact structure[1]
Impact crater/structure
ConfidenceConfirmed
Diameter30–70 km (19–43 mi)
Age2229 Ma ± 5 Ma
Rhyacian, Paleoproterozoic
ExposedYes
DrilledNo
Location
LocationYilgarn Craton
Coordinates27°10′56″S 118°50′04″E / 27.18222°S 118.83444°E / -27.18222; 118.83444
CountryAustralia
StateWestern Australia
MunicipalityShire of Meekatharra
Yarrabubba impact structure is located in Western Australia
Yarrabubba impact structure
Location of the impact structure in Western Australia

The Yarrabubba impact structure is the eroded remnant of an impact crater, situated in the northern Yilgarn Craton near Yarrabubba Station between the towns of Sandstone and Meekatharra, Mid West Western Australia.[2][3] With an age of 2.229 billion years, it is the oldest known impact structure on Earth.[1]

  1. ^ a b Cite error: The named reference erickson was invoked but never defined (see the help page).
  2. ^ Macdonald F.A., Bunting J.A. & Cina S.E. 2003. Yarrabubba—a large, deeply eroded impact structure in the Yilgarn Craton, Western Australia. Earth and Planetary Science Letters 213, 235–247. Abstract
  3. ^ Bunting J.A. & Macdonald F.A. 2004. The Yarrabubba structure, Western Australia—clues to identifying impact events in deeply eroded ancient cratons. Geological Society of Australia Abstracts 73, 227.