Woodleigh crater reveals its secrets

A TEAM of researchers from Western Australia looking at drillcore taken from a buried meteorite impact crater near Shark Bay have chanced upon reidite, an ultra-rare mineral that only forms when rocks from space slam into the Earth’s crust.

Woodleigh crater reveals its secrets Woodleigh crater reveals its secrets Woodleigh crater reveals its secrets Woodleigh crater reveals its secrets Woodleigh crater reveals its secrets

Image of shocked gneiss in drill core from the central uplift of the Woodleigh impact structure in Western Australia. The rare mineral reidite and other shock-damaged minerals were found throughout the core. Image credit: Aaron J. Cavosie.

The Curtin University team had been studying core samples from the Woodleigh crater when it found some of the zircon grains in the core had partially transformed to reidite.