Oldest Earth - Jack Hills Zircon - Classic Riker Box Specimen eggs and others

and others

Above: Space Shuttle Challenger LRSI Tile with typical NASA scrap tags

To protect this fragile material

9% silver)

Oldest Earth - Jack Hills Zircon - Classic Riker Box Specimen eggs and othersThis specimen is a small piece of the Jack Hills formation north of Perth in Western Australia (pictured above). The rough, sedimentary layers of the Jack Hills formation are 3. 3 billion years old, but they also contain much older zircon crystals across a range of time from 3. 6 to nearly 4. 4 billion years old. The specimen measures 1x1 cm and is enclosed inside an acrylic specimen jar. The jar is enclosed inside a classic, glass topped riker