Yilgarn Craton

The Yilgarn Craton is a large craton that constitutes the bulk of the Western Australian land mass. It is bounded by a mixture of sedimentary basins and Proterozoic fold and thrust belts. Zircon grains in the Jack Hills, Narryer Terrane have been dated at ~4.27 Ga, with one detrital zircon dated as old as 4.4 Ga.

"Yilgarn" redirects here. For other uses, see Yilgarn (disambiguation).

The Murchison Province of the craton contains the Yarrabubba impact structure, at over 2 billion years old it is the oldest dated meteorite impact crater.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.