Tag Archives: Jack Hills

Xenon in Zircons: Unravelling Their History

Posted on September 13, 2011 by
Individual zircons mounted in epoxy. The mount is ?? x ??, each individual sample between xx and xx. Ion probe analyses are carried out on the individual samples in the mount, but the zircons has to be removed from these epoxy mounts prior to irradiation and xenon analysis.

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A short time ago I wrote about some of our work analysing the xenon in zircons from the Jack Hills region of Australia, the oldest known material on Earth. If you think trying to unravel xenon contributions from 2 sources … Continue reading →

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The oldest thing on Earth

Posted on July 22, 2011 by
Arial image of the Jack Hills, Australia (Image courtesy of NASA Earth Observatory)

This gallery contains 4 photos.

Jack Hills, Western Australia – a hot, dry and barren place where very little lives. But it is here that the oldest known materials on Earth have survived from shortly after the formation of the Earth until the present day. … Continue reading →

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